{"id":31533,"date":"2026-10-03T13:27:20","date_gmt":"2026-10-03T11:27:20","guid":{"rendered":"https:\/\/migflug.com\/?page_id=31533"},"modified":"2026-10-08T18:18:34","modified_gmt":"2026-10-08T16:18:34","slug":"boulton-paul","status":"publish","type":"page","link":"https:\/\/migflug.com\/tr\/aircraft-manufacturers\/boulton-paul\/","title":{"rendered":"Boulton Paul"},"content":{"rendered":"<style>body.page-id-31533 h1.entry-title.main_title{display:none} body.page-id-31533 #main-content .container{padding-top:0} body.page-id-31533 #left-area{padding-bottom:0} body.page-id-31533{overflow-x:hidden} body.page-id-31533 #sidebar{display:none} body.page-id-31533 #left-area{width:100%!important;float:none;padding:0} body.page-id-31533 #main-content .container::before{display:none!important;background:none!important} html{overflow-x:hidden} #mfam{width:100vw;margin-left:calc(50% - 50vw);background:#fff;color:#14181f;line-height:1.7;font-family:'Gilroy 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.finflash{width:46px;height:46px} #mfam .rondel.wide{width:88px;height:33px} #mfam .finflash.tall{width:38px;height:46px} #mfam .mark .mk{font-size:10.5px;letter-spacing:1.7px;text-transform:uppercase;color:rgba(255,255,255,.55);line-height:1.5;font-family:'Gilroy semiBold',Helvetica,sans-serif} #mfam .mark .mk b{display:block;color:#fff;letter-spacing:.2px;text-transform:none;font-size:14.5px;margin-top:2px} #mfam .statstrip .stat{border-top:3px solid var(--blue)} #mfam .statstrip .stat:first-child{border-top-color:var(--red)} #mfam table.oobt.fleet td:first-child{padding:10px 6px 10px 14px;vertical-align:top} #mfam .tthumb{display:block;width:150px;height:100px;background:#eef1f6 center\/cover no-repeat;border:1px solid var(--line)} #mfam table.oobt.fleet{table-layout:fixed;min-width:1072px} #mfam table.oobt.fleet col.c-th{width:172px} #mfam table.oobt.fleet col.c-type{width:198px} #mfam table.oobt.fleet col.c-role{width:150px} #mfam table.oobt.fleet col.c-num{width:78px} #mfam table.oobt.fleet col.c-yr{width:64px} #mfam table.oobt.fleet col.c-units{width:154px} #mfam table.oobt.fleet col.c-srv{width:104px} #mfam table.oobt.fleet col.c-rep{width:150px} #mfam table.oobt.fleet col.c-fd{width:118px} #mfam table.oobt.fleet th{white-space:normal} #mfam table.oobt.fleet.ord{min-width:900px} #mfam .ndet{display:inline} #mfam .ndet summary{display:inline;cursor:pointer;color:var(--link);font-family:'Gilroy semiBold',Helvetica,sans-serif;letter-spacing:.4px;list-style:none} #mfam .ndet summary::-webkit-details-marker{display:none} #mfam .ndet summary::after{content:' \\203A'} #mfam .ndet[open] summary{display:none} #mfam table.oobt.fleet td:last-child{color:var(--txt2)} #mfam table.oobt.former .tthumb{filter:saturate(.55)} #mfam table.oobt.former tr:hover .tthumb{filter:none} #mfam table.oobt.fleet td:last-child{overflow-wrap:anywhere} #mfam table.oobt.fleet td:last-child{font-size:12.5px;line-height:1.5;color:var(--txt3)} #mfam .de{color:var(--txt3);font-size:12.5px;font-family:'Gilroy regular',Helvetica,Arial,sans-serif;letter-spacing:0;text-transform:none} #mfam .orgcard .de{margin:-3px 0 8px} #mfam .oob dt .de,#mfam table.oobt .de{white-space:nowrap} #mfam .qbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:22px 0 0} #mfam .qin{flex:1 1 280px;max-width:460px;padding:11px 13px;font:400 15px\/1.4 'Gilroy regular',Helvetica,Arial,sans-serif;color:#0d1117;background:#fff;border:1px solid #d3d8e0;border-radius:0;outline:0;-webkit-appearance:none;appearance:none} #mfam .qin:focus{border-color:var(--blue)} #mfam .qin::-webkit-search-cancel-button{display:none} #mfam .qcnt{font-size:12.5px;letter-spacing:.4px;color:var(--txt3);font-family:'Gilroy semiBold',Helvetica,sans-serif} #mfam .qbtn{padding:10px 13px;font-size:10.5px;letter-spacing:1.1px;text-transform:uppercase;font-family:'Gilroy semiBold',Helvetica,sans-serif;background:#fff;color:var(--txt2);border:1px solid #d3d8e0;border-radius:0;cursor:pointer;line-height:1.4} #mfam .qbtn:hover{border-color:var(--blue);color:var(--blue-ink)} #mfam .qhide{display:none!important} #mfam .qnone{display:none;padding:20px 2px;color:var(--txt2);font-size:15px} #mfam .qnone.on{display:block} #mfam .oob>div{cursor:pointer;user-select:none;align-items:center} #mfam .oob>div:focus-visible{outline:2px solid var(--blue);outline-offset:-2px} #mfam .oob>div>i{position:relative;flex:none;width:13px;height:13px;margin-left:auto;opacity:.75} #mfam .oob>div>i::before,#mfam .oob>div>i::after{content:'';position:absolute;background:#fff;left:0;top:6px;width:13px;height:1.5px} #mfam .oob>div>i::after{transform:rotate(90deg)} #mfam .oob.open>div>i::after{transform:rotate(0)} #mfam .oobwrap.coll .oob>dl{display:none} #mfam .oobwrap.coll .oob.open>dl{display:grid} #mfam table.oobt.cbt td{vertical-align:top} #mfam table.oobt.cbt tr.crow td{border-bottom:0} #mfam table.oobt.cbt tr.cdet>td{border-bottom:1px solid var(--line);padding:0 16px 20px;color:var(--txt2)} #mfam tr.cdet{display:none} #mfam tr.cdet.on{display:table-row} #mfam .cwho{display:block;font-size:12.5px;color:var(--txt3);line-height:1.45;margin-top:3px} #mfam .cserv{display:block;font-size:12.5px;color:var(--txt3);line-height:1.45;margin-top:3px} #mfam .cbx{padding:6px 11px;font-size:10.5px;letter-spacing:1.1px;text-transform:uppercase;font-family:'Gilroy semiBold',Helvetica,sans-serif;background:#fff;color:var(--blue-ink);border:1px solid var(--blue);border-radius:0;cursor:pointer;line-height:1.4;white-space:nowrap} #mfam .cbx:hover{background:var(--blue);color:#fff} #mfam .cdin{display:grid;grid-template-columns:1.6fr 1fr;gap:26px;padding-top:2px;max-width:none} #mfam .cdin p{font-size:16.5px;color:var(--txt2);margin:0 0 11px;max-width:66ch} #mfam .cdin p.crole{color:#0d1117} #mfam .cdl{margin:0} #mfam .cdl dt{font-size:10.5px;letter-spacing:1.6px;text-transform:uppercase;color:var(--txt3);font-family:'Gilroy semiBold',Helvetica,sans-serif;margin-top:12px} #mfam .cdl dt:first-child{margin-top:0} #mfam .cdl dd{margin:3px 0 0;font-size:14.5px;color:#0d1117;line-height:1.55} #mfam .cdl dd a{color:#0d1117;border-bottom:1px solid #c3cddb} #mfam .cdl dd a:hover{color:var(--blue-ink);border-bottom-color:var(--blue)} #mfam .ccav{display:block;font-size:13px;color:var(--txt3);line-height:1.55;margin-top:12px;padding-left:11px;border-left:2px solid var(--line);max-width:64ch} #mfam .clink{display:inline-block;margin:0 14px 0 0;font-size:13.5px} #mfam .cwar{font-size:11px;letter-spacing:1.3px;text-transform:uppercase;color:var(--txt3);font-family:'Gilroy semiBold',Helvetica,sans-serif} #mfam .statstrip.dark{margin:22px 0 4px} #mfam ul.gl.cml{margin-top:18px!important} #mfam ul.gl.cml li{line-height:1.6} #mfam ul.gl.cml li b{color:#0d1117;font-weight:400;font-family:'Gilroy semiBold',Helvetica,sans-serif} #mfam .cbig{display:inline-block;margin-top:22px;padding:13px 22px;background:var(--blue);color:#fff!important;border:1px solid var(--blue);border-radius:0;font-family:'Gilroy semiBold',Helvetica,sans-serif;font-size:11.5px;letter-spacing:1.6px;text-transform:uppercase;text-decoration:none} #mfam .cbig:hover{background:var(--blue-ink);border-color:var(--blue-ink)} #mfam .badge{height:66px;width:auto;display:block;flex:none;filter:drop-shadow(0 2px 9px rgba(0,0,0,.5))} #mfam .badge.big{height:112px} #mfam .mjc{height:96px;width:auto;display:block;flex:none;filter:drop-shadow(0 2px 9px rgba(0,0,0,.5))} #mfam .mcol{display:flex;flex-direction:column;gap:18px} #mfam .tthumb.none{background:repeating-linear-gradient(45deg,#f3f6fa,#f3f6fa 6px,#e9eef5 6px,#e9eef5 12px)} #mfam .cflag{display:inline-block;width:16px;height:16px;vertical-align:-3px;margin-right:7px;background-repeat:no-repeat;background-size:200px 20px} #mfam .nflag{display:inline-block;width:18px;height:12px;vertical-align:1px;margin-left:8px;background-repeat:no-repeat;background-size:242px 16px} #mfam .st{display:table;font-size:10px;letter-spacing:1.3px;text-transform:uppercase;padding:2px 7px;margin:8px 0 0;font-family:'Gilroy semiBold',Helvetica,sans-serif;border:1px solid currentColor;white-space:nowrap} #mfam .st.on{color:var(--green)} #mfam .st.out{color:var(--amber)} #mfam .st.ord{color:var(--blue-ink)} #mfam .flybtn{display:table;margin:8px 0 0;padding:4px 10px;font-size:10.5px;line-height:1.45;letter-spacing:1.2px;text-transform:uppercase;font-family:'Gilroy semiBold',Helvetica,sans-serif;color:#fff!important;background:var(--blue);border:1px solid var(--blue);white-space:nowrap;max-width:100%} #mfam .flybtn:hover{background:var(--blue-ink);border-color:var(--blue-ink)} #mfam .flybtn.ghost{background:transparent;border:1px solid var(--blue);color:var(--blue-ink)!important;letter-spacing:.9px;white-space:normal;max-width:11em} #mfam table.oobt.former td .flybtn.ghost{color:var(--blue-ink)!important} #mfam .flybtn .via{opacity:.72;letter-spacing:.8px} #mfam table.oobt td a.flybtn{border-bottom:0} #mfam table.oobt.former td a.flybtn{color:#fff!important} #mfam #structure,#mfam #former,#mfam #oob,#mfam #faq{background:var(--bg2)} #mfam .ngrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px} #mfam .ncard{display:block;background:#fff;border:1px solid var(--line);overflow:hidden;text-decoration:none} #mfam .ncard:hover{border-color:var(--blue)} #mfam .ncim{display:block;height:158px;background:#eef1f6 center\/cover no-repeat} #mfam .ncim.none{background:repeating-linear-gradient(45deg,#f3f6fa,#f3f6fa 8px,#e9eef5 8px,#e9eef5 16px)} #mfam .ncbody{display:block;padding:16px 18px 20px} #mfam .ncbody time{display:block;font-family:'Gilroy semiBold',Helvetica,sans-serif;font-size:11px;letter-spacing:1.6px;text-transform:uppercase;color:var(--txt3)} #mfam .nct{display:block;font-family:'Gilroy semiBold',Helvetica,sans-serif;font-size:17px;line-height:1.32;color:#0d1117;margin:9px 0 8px} #mfam .ncard:hover .nct{color:var(--link)} #mfam .ncx{display:block;font-size:14px;line-height:1.55;color:var(--txt2)} #mfam .ncgo{display:block;font-family:'Gilroy semiBold',Helvetica,sans-serif;font-size:12px;letter-spacing:1.4px;text-transform:uppercase;color:var(--link);margin-top:14px} #mfam .nmore{display:inline-block;margin-top:26px;font-family:'Gilroy semiBold',Helvetica,sans-serif;font-size:12px;letter-spacing:1.6px;text-transform:uppercase;color:var(--link)} @media(max-width:960px){#mfam .ngrid{grid-template-columns:1fr 1fr}} @media(max-width:620px){#mfam .ngrid{grid-template-columns:1fr}} #mfam #gallery{background:#0d1117} #mfam #gallery h2{color:#fff} #mfam #gallery .spx-lede{color:#9aa3b8} #mfam #gallery .kicker{color:var(--blue)} #mfam #gallery .acard{background:#161b24;border-color:#242c38} #mfam #gallery .acard .tx b{color:#fff} #mfam #gallery .acard .im{background-color:#242c38} #mfam #gallery .acard .im.none{background:repeating-linear-gradient(45deg,#1b212b,#1b212b 8px,#232a35 8px,#232a35 16px)} #mfam .org{margin-top:34px} #mfam .cmdcard{display:flex;align-items:center;gap:26px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--red);padding:22px 26px} #mfam .cface{display:block;flex:none;width:128px;height:128px;background:#eef1f6 center\/cover no-repeat;border:1px solid var(--line)} #mfam .cface.mono{display:flex;align-items:center;justify-content:center;background:var(--blue-dim);color:var(--blue-ink);font-family:'Gilroy semiBold',Helvetica,sans-serif;font-size:44px;letter-spacing:1px;border-color:var(--blue)} #mfam .cmdtx{flex:1 1 auto;min-width:0;text-align:left} #mfam .crank{display:block;font-size:10.5px;letter-spacing:1.8px;text-transform:uppercase;color:var(--blue-ink);font-family:'Gilroy semiBold',Helvetica,sans-serif} #mfam .cmdtx b{display:block;font-size:21px;color:#0d1117;margin:3px 0 4px;font-family:'Gilroy semiBold',Helvetica,sans-serif} #mfam .cmeta{display:block;font-size:13px;color:var(--txt3)} #mfam .cmdorg{flex:none;text-align:left;padding-left:22px;border-left:1px solid var(--line)} #mfam .cmdorg span{display:block;font-size:13.5px;color:#0d1117;font-family:'Gilroy semiBold',Helvetica,sans-serif} #mfam .cmdorg em{display:block;font-style:normal;font-size:12.5px;color:#8b94a5;margin-top:3px} #mfam .oloc{font-size:12px;letter-spacing:1.3px;text-transform:uppercase;color:var(--blue-ink);font-family:'Gilroy semiBold',Helvetica,sans-serif;margin:0 0 9px} #mfam .orgcard,#mfam .orgcard h4,#mfam .orgcard p,#mfam .orgcard .de{text-align:left} #mfam .orgrow{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px} #mfam .orgcard{background:#fff;border:1px solid var(--line);border-top:3px solid var(--blue);padding:20px 22px} #mfam .orgcard.wide{grid-column:1\/-1} #mfam .orgcard h4{margin:0 0 7px;font-size:16.5px;color:#0d1117} #mfam .orgcard p{font-size:14px;color:var(--txt2);max-width:none} #mfam .orgcard .tag{display:inline-block;font-size:10px;letter-spacing:1.4px;text-transform:uppercase;color:var(--blue-ink);border:1px solid var(--blue);padding:2px 8px;margin-bottom:11px;font-family:'Gilroy semiBold',Helvetica,sans-serif} #mfam .orgcard.new{border-top-color:var(--red)} #mfam .orgcard.new .tag{color:var(--red);border-color:var(--red)} #mfam .tfgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:18px} #mfam .tfcol{border-top:1px solid var(--line);padding-top:14px} #mfam .tfcol h4{margin:0 0 3px;font-size:15px;color:#0d1117} #mfam .tfn{font-size:12px;letter-spacing:1.3px;text-transform:uppercase;color:var(--blue-ink);font-family:'Gilroy semiBold',Helvetica,sans-serif;margin-bottom:8px} #mfam .tfcol p{font-size:13.5px;color:var(--txt2);margin:0} #mfam .tfmore{display:inline-block;margin-top:12px;font-size:12px;letter-spacing:1.3px;text-transform:uppercase;color:var(--blue-ink);font-family:'Gilroy semiBold',Helvetica,sans-serif;border-bottom:1px solid var(--blue)} #mfam .tfmore:hover{color:#0d1117;border-bottom-color:#0d1117} #mfam .ucol{margin-top:12px} #mfam .ucol summary{list-style:none;cursor:pointer;font-size:12px;letter-spacing:1.3px;text-transform:uppercase;color:var(--blue-ink);font-family:'Gilroy semiBold',Helvetica,sans-serif;padding:7px 0} #mfam .ucol summary::-webkit-details-marker{display:none} #mfam .ucol summary::after{content:' +';font-family:inherit} #mfam .ucol[open] summary::after{content:' \\2013'} #mfam .ucol summary:hover{color:#0d1117} #mfam a.unit{text-decoration:none} #mfam a.unit:hover{border-color:var(--blue);color:var(--blue-ink);background:var(--blue-dim)} #mfam table.oobt tr.flash td{background:var(--blue-dim);transition:background .45s} @media(max-width:900px){#mfam .tfgrid{grid-template-columns:1fr}} #mfam .units{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px} #mfam .unit{font-size:12.5px;padding:5px 11px;background:var(--bg2);border:1px solid var(--line);color:var(--txt2);font-family:'Gilroy semiBold',Helvetica,sans-serif} #mfam .acgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:32px} #mfam .acard{display:block;background:#fff;border:1px solid var(--line);overflow:hidden} #mfam .acard:hover{border-color:var(--blue)} #mfam .acard .im{display:block;height:132px;background:#eef1f6 center\/cover no-repeat} #mfam .acard .im.none{background:repeating-linear-gradient(45deg,#f3f6fa,#f3f6fa 8px,#e9eef5 8px,#e9eef5 16px)} #mfam .acard .tx{display:block;padding:14px 16px} #mfam .acard .tx b{display:block;font-size:15px;color:#0d1117;line-height:1.3} #mfam .acard .tx em{display:block;font-style:normal;font-size:12px;color:var(--txt3);margin-top:5px;font-variant-numeric:tabular-nums} #mfam .acard:hover .tx b{color:var(--blue-ink)} @media(max-width:1000px){#mfam .acgrid{grid-template-columns:repeat(3,1fr)}#mfam .orgrow{grid-template-columns:1fr 1fr}} @media(max-width:820px){#mfam .tthumb{width:118px;height:79px}#mfam .badge.big{height:84px}#mfam .mjc{height:74px}#mfam .mcol{gap:14px}#mfam .acgrid{grid-template-columns:1fr 1fr}#mfam .orgrow{grid-template-columns:1fr}#mfam .marks{gap:20px}#mfam .photocred{position:static;display:block;padding:0 24px 12px;text-align:left;max-width:none}} @media(max-width:820px){#mfam .cmdcard{flex-wrap:wrap;gap:14px}#mfam .cmdorg{padding-left:0;border-left:0;flex-basis:100%}#mfam .specgrid,#mfam .specgrid.three{grid-template-columns:1fr}#mfam .cols{grid-template-columns:1fr}#mfam .relgrid{grid-template-columns:1fr}#mfam .statstrip{grid-template-columns:1fr 1fr}#mfam .oob dl{grid-template-columns:1fr}#mfam .cdin{grid-template-columns:1fr;gap:18px}#mfam .oob dd{text-align:left}#mfam .frow{grid-template-columns:110px 1fr 56px;gap:10px}#mfam .srclist{columns:1}#mfam .oobmap{height:440px}#mfam .oobmap.home{height:400px}} #mfam .pqband{background:#0d1117;padding:56px 0} #mfam .pqband .wrap{max-width:1120px} #mfam 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.satlbx{position:absolute;top:18px;right:22px;color:rgba(255,255,255,.72);font-family:'Gilroy semiBold',Helvetica,sans-serif;font-size:10.5px;letter-spacing:1.6px;text-transform:uppercase} #mfam .satcap{display:flex;justify-content:space-between;align-items:baseline;gap:22px;flex-wrap:wrap;margin-top:12px;font-size:13px;line-height:1.5;color:var(--txt3)} #mfam .satcap b{font-family:'Gilroy semiBold',Gilroy,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;font-weight:400;color:var(--txt)} @media(max-width:820px){#mfam .satimg{height:380px}} @media(max-width:680px){#mfam .qa summary{padding:18px 14px;font-size:17px}#mfam .qa details .a{padding:0 14px 20px}#mfam section{padding:44px 0}} #mfam .mfshare{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:0 0 6px} #mfam .mfsh-btn{display:inline-flex;align-items:center;gap:8px;padding:9px 15px;background:transparent;border:1px solid var(--blue);color:var(--blue-ink);font-family:'Gilroy semiBold',Helvetica,sans-serif;font-size:11.5px;letter-spacing:1.6px;text-transform:uppercase;cursor:pointer;line-height:1} #mfam .mfsh-btn:hover{background:var(--blue);color:#fff} #mfam .mfsh-btn svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.8} #mfam .mfsh-net{display:none;align-items:center;gap:8px;flex-wrap:wrap} #mfam .mfshare.on .mfsh-net{display:flex} #mfam .mfsh-net a,#mfam .mfsh-net button{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--line);background:#fff;color:#3d4654;cursor:pointer;padding:0} #mfam .mfsh-net a:hover,#mfam .mfsh-net button:hover{border-color:var(--blue);color:var(--blue-ink)} #mfam .mfsh-net svg{width:16px;height:16px;fill:currentColor} #mfam .mfsh-said{font-size:12px;color:var(--green);font-family:'Gilroy semiBold',Helvetica,sans-serif;letter-spacing:.6px}#mfam .mlogo{display:inline-flex;align-items:center;justify-content:center;background:#fff;padding:10px 16px;height:68px;margin:0 0 18px;border:1px solid #e2e7ee}#mfam .mlogo .li{display:block;background:center\/contain no-repeat}#mfam .mlogo.sm{position:absolute;left:14px;top:96px;height:52px;padding:6px 10px;margin:0}#mfam .mlogo.sm img{max-height:38px;max-width:120px}#mfam .mlogo.xs{height:28px;padding:2px 6px;margin:0 10px 0 0;vertical-align:middle;border:0;background:transparent}#mfam .mlogo.xs img{max-height:24px;max-width:72px}#mfam .mrel{position:relative;padding-top:0}#mfam .mrel .mim{display:block;height:130px;margin:-26px -26px 44px;background:#eef1f6 center\/cover no-repeat}#mfam a.mname{display:inline-flex;align-items:center}#mfam span.acard{cursor:default}#mfam .pcred{font-size:12px;color:var(--txt3);margin:10px 0 28px;line-height:1.5}<\/style>\n<div id=\"mfam\">\n<div class=\"hero photo\">\n<div class=\"heroimg ph1\"><\/div>\n<div class=\"wrap hero-in\">\n<div class=\"crumb\"><a href=\"https:\/\/migflug.com\/air-forces\/\">Order of Battle<\/a> &middot; <a href=\"https:\/\/migflug.com\/aircraft-manufacturers\/\">Aircraft manufacturers<\/a> &middot; United Kingdom<\/div>\n<h1>Boulton Paul<\/h1>\n<div class=\"native\">Boulton &amp; Paul Ltd &middot; Boulton Paul Aircraft Ltd &middot; Dowty Boulton Paul Ltd<\/div>\n<p class=\"sub\">A Norwich ironmonger&rsquo;s became Britain&rsquo;s gun-turret specialist, built more Sopwith Camels than anyone and gave the RAF the Defiant, a fighter with no forward guns at all.<\/p>\n<div class=\"statstrip\">\n<div class=\"stat\"><b>1934<\/b><span>Founded<\/span><\/div>\n<div class=\"stat\"><b>Merged 1961<\/b><span>Status<\/span><\/div>\n<div class=\"stat\"><b>9<\/b><span>Aircraft on record<\/span><\/div>\n<div class=\"stat\"><b>3<\/b><span>Air forces flying its types<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"photocred\">Royal Air Force Defiant. Oren Rozen \/ Wikimedia Commons (CC BY-SA 4.0)<\/div>\n<div class=\"accent\"><\/div>\n<\/div>\n<div class=\"wrap\">\n<div class=\"chips\"><span class=\"chip\"><b>Country<\/b>United Kingdom<\/span><span class=\"chip\"><b>Founded<\/b>1934<\/span><span class=\"chip\"><b>Headquarters<\/b>Wolverhampton, West Midlands (Norwich until 1936)<\/span><span class=\"chip\"><b>Status<\/b>Merged 1961<\/span><\/div>\n<div class=\"mfshare\"><button type=\"button\" class=\"mfsh-btn\"><svg viewBox=\"0 0 24 24\"><circle cx=\"18\" cy=\"5\" r=\"3\"\/><circle cx=\"6\" cy=\"12\" r=\"3\"\/><circle cx=\"18\" cy=\"19\" r=\"3\"\/><path d=\"M8.6 10.6l6.8-4M8.6 13.4l6.8 4\"\/><\/svg>Share<\/button><span class=\"mfsh-net\"><\/span><span class=\"mfsh-said\"><\/span><\/div>\n<\/div>\n<section id=\"story\">\n<div class=\"wrap\">\n<div class=\"kicker\">The story<\/div>\n<h2>Boulton Paul: the company and the aircraft that made its name<\/h2>\n<div class=\"cols\">\n<div>\n<h3 class=\"sh\">From ironmongery to Camels<\/h3>\n<p>Boulton Paul began as an ironmonger&rsquo;s shop in Norwich in 1797. By the early 1900s Boulton &amp; Paul was a large general engineering firm, and in 1915 it began building aircraft under contract: 550 FE.2bs and, during the First World War, <span class=\"imp\">more Sopwith Camels than any other manufacturer<\/span>. A design office under John Dudley North followed, producing a string of bombers and experimental types between the wars. In 1934, at a low point for aviation, the aircraft department was sold off as Boulton Paul Aircraft Ltd, and in 1936 it moved to a new factory at Wolverhampton, about 600 Norwich workers moving with it.<\/p>\n<h3 class=\"sh\">The turret makers<\/h3>\n<p>The company&rsquo;s speciality was the gun turret. Its Overstrand bomber of 1933 carried the world&rsquo;s first enclosed, power-operated turret, driven by compressed air. Boulton Paul then licensed a French electro-hydraulic four-gun design, and its turrets went on to arm the Halifax, Hudson, Ventura, Lincoln and some Liberators. It also built 136 Blackburn Rocs, 692 Fairey Barracudas and conversions of the Wellington.<\/p>\n<h3 class=\"sh\">The Defiant gamble<\/h3>\n<p>The Air Ministry asked for a fighter with no fixed forward guns, only a four-gun turret behind the pilot. The Defiant first flew on 11 August 1937 and over Dunkirk 264 Squadron claimed 48 kills in eight days, though actual German losses were perhaps 12 to 15. Once the Germans understood it, the slaughter began: on 19 July 1940 seven of nine 141 Squadron Defiants were shot down off Folkestone. Reborn as a radar night fighter and target tug, about 1,070 were built. The Balliol trainer followed, and its turboprop prototype of 1948 was the world&rsquo;s first single-engined turboprop to fly. In 1961 Dowty took over the company.<\/p>\n<\/div>\n<div>\n<div class=\"pull\">A Norwich ironmonger&rsquo;s became Britain&rsquo;s gun-turret specialist, built more Sopwith Camels than anyone and gave the RAF the Defiant, a fighter with no forward guns at all.<cite>Boulton Paul &middot; verified 2026-10-03<\/cite><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<hr class=\"divider\">\n<section id=\"glance\">\n<div class=\"wrap\">\n<div class=\"kicker\">At a glance<\/div>\n<h2>Boulton Paul in numbers<\/h2>\n<div class=\"specgrid three\">\n<div class=\"spectable\">\n<h4>The company<\/h4>\n<dl>\n<dt>In short<\/dt>\n<dd>Founded 1934<\/p>\n<ul class=\"gl\">\n<li>Aircraft work by Boulton &amp; Paul of Norwich from 1915<\/li>\n<li>Boulton Paul Aircraft Ltd incorporated 1934; Wolverhampton from 1936<\/li>\n<li>Acquired by Dowty Group in 1961<\/li>\n<\/ul>\n<\/dd>\n<\/dl>\n<\/div>\n<div class=\"spectable\">\n<h4>Production<\/h4>\n<dl>\n<dt>Best known for<\/dt>\n<dd>Defiant, Balliol, gun turrets<\/p>\n<ul class=\"gl\">\n<li>550 FE.2b and more Sopwith Camels than any other firm in WWI<\/li>\n<li>Defiant: 723 Mk I, 210 Mk II, 140 target tugs<\/li>\n<li>Balliol: 229 built including 30 Sea Balliols<\/li>\n<li>Licence-built Blackburn Roc (136) and Fairey Barracuda (692)<\/li>\n<\/ul>\n<\/dd>\n<\/dl>\n<\/div>\n<div class=\"spectable\">\n<h4>Today<\/h4>\n<dl>\n<dt>Now<\/dt>\n<dd>Merged into Dowty, 1961<\/p>\n<ul class=\"gl\">\n<li>Wolverhampton site passed via Dowty, TI, Smiths and GE to Moog (2009)<\/li>\n<li>Boulton Paul collection moved to RAF Museum Cosford in 2013<\/li>\n<\/ul>\n<\/dd>\n<\/dl>\n<\/div>\n<div class=\"spectable\">\n<h4>The numbers<\/h4>\n<dl>\n<dt>FE.2b built under contract<\/dt>\n<dd>550<span class=\"gnote\">1915&ndash;1918<\/span><\/dd>\n<dt>Workers moved from Norwich to Wolverhampton<\/dt>\n<dd>about 600<span class=\"gnote\">1936<\/span><\/dd>\n<dt>Defiants built<\/dt>\n<dd>723 Mk I, 210 Mk II, 140 TT<\/dd>\n<dt>Fairey Barracudas built<\/dt>\n<dd>692<\/dd>\n<\/dl>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<hr class=\"divider\">\n<section id=\"fleet\">\n<div class=\"wrap\">\n<div class=\"kicker\">The aircraft<\/div>\n<h2>Every notable Boulton Paul aircraft<\/h2>\n<div class=\"acgrid\"><a class=\"acard\" href=\"https:\/\/migflug.com\/aircraft\/boulton-paul-defiant\/\"><span class=\"im ph1\"><\/span><span class=\"tx\"><b>Boulton Paul Defiant<\/b><em>Turret fighter, night fighter, target tug &middot; first flight 1937 &middot; about 1,070 built<\/em><\/span><\/a><\/div>\n<p class=\"pcred\">Photos: Royal Air Force Defiant. Oren Rozen \/ Wikimedia Commons (CC BY-SA 4.0)<\/p>\n<div class=\"tscroll\">\n<table class=\"oobt\" id=\"mfrtbl\">\n<thead>\n<tr>\n<th>Aircraft<\/th>\n<th>Role<\/th>\n<th>First flight<\/th>\n<th>Built<\/th>\n<th>Status<\/th>\n<th>Note<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Royal Aircraft Factory FE.2b (contract)<\/td>\n<td>Fighter-bomber<\/td>\n<td><\/td>\n<td>550<\/td>\n<td><span class=\"pill was\">Retired<\/span><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Sopwith Camel (contract)<\/td>\n<td>Fighter<\/td>\n<td><\/td>\n<td><\/td>\n<td><span class=\"pill was\">Retired<\/span><\/td>\n<td>Boulton &amp; Paul built more than any other maker<\/td>\n<\/tr>\n<tr>\n<td>Boulton Paul Sidestrand<\/td>\n<td>Twin-engine biplane bomber<\/td>\n<td>1926<\/td>\n<td><\/td>\n<td><span class=\"pill was\">Retired<\/span><\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>Boulton Paul Overstrand<\/td>\n<td>Twin-engine biplane bomber<\/td>\n<td>1933<\/td>\n<td><\/td>\n<td><span class=\"pill was\">Retired<\/span><\/td>\n<td>World&rsquo;s first enclosed power-operated turret<\/td>\n<\/tr>\n<tr>\n<td>Blackburn Roc (built by Boulton Paul)<\/td>\n<td>Naval turret fighter<\/td>\n<td><\/td>\n<td>136<\/td>\n<td><span class=\"pill was\">Retired<\/span><\/td>\n<td>Detail design and all production by Boulton Paul<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/migflug.com\/aircraft\/boulton-paul-defiant\/\">Boulton Paul Defiant<\/a><\/td>\n<td>Turret fighter, night fighter, target tug<\/td>\n<td>1937<\/td>\n<td>about 1,070<\/td>\n<td><span class=\"pill was\">Retired<\/span><\/td>\n<td>Sum of 723 Mk I, 210 Mk II and 140 TT<\/td>\n<\/tr>\n<tr>\n<td>Fairey Barracuda (built by Boulton Paul)<\/td>\n<td>Torpedo bomber<\/td>\n<td><\/td>\n<td>692<\/td>\n<td><span class=\"pill was\">Retired<\/span><\/td>\n<td>300 Mk II and 392 Mk III<\/td>\n<\/tr>\n<tr>\n<td>Boulton Paul Balliol<\/td>\n<td>Advanced trainer<\/td>\n<td>1947<\/td>\n<td>229<\/td>\n<td><span class=\"pill was\">Retired<\/span><\/td>\n<td>Including 30 Sea Balliols; Mamba prototype first single-engined turboprop to fly, 1948<\/td>\n<\/tr>\n<tr>\n<td>Boulton Paul P.111<\/td>\n<td>Delta-wing research aircraft<\/td>\n<td>1950<\/td>\n<td>1<\/td>\n<td><span class=\"pill was\">Retired<\/span><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/section>\n<hr class=\"divider\">\n<section id=\"operators\">\n<div class=\"wrap\">\n<div class=\"kicker\">Who flies them<\/div>\n<h2>Boulton Paul aircraft in the world&rsquo;s air forces<\/h2>\n<p class=\"spx-lede\">3 air forces in the Order of Battle fly or flew Boulton Paul types. <span class=\"imp\">0 of them still have one in service.<\/span><\/p>\n<div class=\"tscroll\">\n<table class=\"oobt\" id=\"optbl\">\n<thead>\n<tr>\n<th>Air force<\/th>\n<th>In service<\/th>\n<th>Formerly flown<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"was\">\n<td><a href=\"https:\/\/migflug.com\/air-forces\/polish-air-force\/\">Polish Air Force<\/a><\/td>\n<td><\/td>\n<td>Boulton Paul Defiant and Bristol Beaufighter<\/td>\n<\/tr>\n<tr class=\"was\">\n<td><a href=\"https:\/\/migflug.com\/air-forces\/united-kingdom-royal-air-force\/\">Royal Air Force<\/a><\/td>\n<td><\/td>\n<td><a href=\"https:\/\/migflug.com\/aircraft\/boulton-paul-defiant\/\" class=\"was\">Boulton Paul Defiant<\/a><\/td>\n<\/tr>\n<tr class=\"was\">\n<td><a href=\"https:\/\/migflug.com\/air-forces\/sri-lanka-air-force\/\">Sri Lanka Air Force<\/a><\/td>\n<td><\/td>\n<td>Boulton Paul Balliol T.2 and Airspeed Oxford<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/section>\n<hr class=\"divider\">\n<section id=\"people\">\n<div class=\"wrap\">\n<div class=\"kicker\">Places, people, records<\/div>\n<h2>Where Boulton Paul built, who led it, what it achieved<\/h2>\n<div class=\"cols\">\n<div>\n<h3>Factories<\/h3>\n<ul class=\"gl\">\n<li><b>Norwich works<\/b> &middot; Norwich &mdash; Aircraft built here 1915&ndash;1936<\/li>\n<li><b>Wolverhampton works<\/b> &middot; Wolverhampton &mdash; New factory from 1936<\/li>\n<\/ul>\n<\/div>\n<div>\n<h3>People<\/h3>\n<ul class=\"gl\">\n<li><b>John Dudley North<\/b> &middot; chief designer &mdash; 1893&ndash;1968; joined from Austin<\/li>\n<li><b>Cecil Feather<\/b> &middot; chief test pilot &mdash; Flew the first Defiant<\/li>\n<\/ul>\n<\/div>\n<div>\n<h3>Records and firsts<\/h3>\n<ul class=\"gl\">\n<li>World&rsquo;s first enclosed power-operated gun turret, Overstrand, 1933<\/li>\n<li>World&rsquo;s first single-engined turboprop aircraft to fly, Balliol prototype, 17 May 1948<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<hr class=\"divider\">\n<section id=\"timeline\">\n<div class=\"wrap\">\n<div class=\"kicker\">Timeline<\/div>\n<h2>Boulton Paul, year by year<\/h2>\n<div class=\"tl\">\n<div class=\"tl-item\">\n<div class=\"yr\">1797<\/div>\n<p>Ironmonger&rsquo;s shop founded in Norwich<\/p>\n<\/div>\n<div class=\"tl-item\">\n<div class=\"yr\">1915<\/div>\n<p>Boulton &amp; Paul begins building aircraft under contract<\/p>\n<\/div>\n<div class=\"tl-item\">\n<div class=\"yr\">1933<\/div>\n<p>Overstrand flies with the first enclosed powered turret<\/p>\n<\/div>\n<div class=\"tl-item\">\n<div class=\"yr\">1934<\/div>\n<p>Aircraft department sold off as Boulton Paul Aircraft Ltd<\/p>\n<\/div>\n<div class=\"tl-item\">\n<div class=\"yr\">1936<\/div>\n<p>Move to Wolverhampton<\/p>\n<\/div>\n<div class=\"tl-item\">\n<div class=\"yr\">1937<\/div>\n<p>Defiant ordered off the drawing board<\/p>\n<\/div>\n<div class=\"tl-item\">\n<div class=\"yr\">1937<\/div>\n<p>Defiant first flight<\/p>\n<\/div>\n<div class=\"tl-item\">\n<div class=\"yr\">1940<\/div>\n<p>Defiants of 264 Squadron in action over Dunkirk<\/p>\n<\/div>\n<div class=\"tl-item\">\n<div class=\"yr\">1940<\/div>\n<p>Seven of nine 141 Squadron Defiants shot down off Folkestone<\/p>\n<\/div>\n<div class=\"tl-item\">\n<div class=\"yr\">1948<\/div>\n<p>Mamba Balliol flies: first single-engined turboprop<\/p>\n<\/div>\n<div class=\"tl-item\">\n<div class=\"yr\">1961<\/div>\n<p>Acquired by Dowty Group<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<hr class=\"divider\">\n<section id=\"faq\">\n<div class=\"wrap\">\n<div class=\"kicker\">Questions &amp; Answers<\/div>\n<h2>Everything people ask about Boulton Paul<\/h2>\n<div class=\"qa\">\n<details open>\n<summary>What was the Boulton Paul Defiant?<\/summary>\n<div class=\"a\">A two-seat RAF fighter of 1937 whose only armament was a four-gun turret behind the pilot; it suffered heavy losses by day in 1940 and found a second career as a night fighter.<\/div>\n<\/details>\n<details>\n<summary>What happened to Boulton Paul?<\/summary>\n<div class=\"a\">It was acquired by the Dowty Group in 1961 and became Dowty Boulton Paul, later Dowty Aerospace; the Wolverhampton site later passed to Moog.<\/div>\n<\/details>\n<details>\n<summary>Why was Boulton Paul famous for turrets?<\/summary>\n<div class=\"a\">Its Overstrand of 1933 had the first enclosed power-operated turret, and its licensed electro-hydraulic turrets armed the Halifax, Hudson, Lincoln and others.<\/div>\n<\/details>\n<details>\n<summary>Where was Boulton Paul based?<\/summary>\n<div class=\"a\">In Norwich until 1936, then at Wolverhampton.<\/div>\n<\/details>\n<\/div>\n<\/div>\n<\/section>\n<p><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What was the Boulton Paul Defiant?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A two-seat RAF fighter of 1937 whose only armament was a four-gun turret behind the pilot; it suffered heavy losses by day in 1940 and found a second career as a night fighter.\"}}, {\"@type\": \"Question\", \"name\": \"What happened to Boulton Paul?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It was acquired by the Dowty Group in 1961 and became Dowty Boulton Paul, later Dowty Aerospace; the Wolverhampton site later passed to Moog.\"}}, {\"@type\": \"Question\", \"name\": \"Why was Boulton Paul famous for turrets?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Its Overstrand of 1933 had the first enclosed power-operated turret, and its licensed electro-hydraulic turrets armed the Halifax, Hudson, Lincoln and others.\"}}, {\"@type\": \"Question\", \"name\": \"Where was Boulton Paul based?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"In Norwich until 1936, then at Wolverhampton.\"}}]}<\/script><hr class=\"divider\">\n<section>\n<div class=\"wrap\">\n<div class=\"kicker\">Continue the tour<\/div>\n<h2>Around Boulton Paul<\/h2>\n<div class=\"relgrid\"><a class=\"rel\" href=\"https:\/\/migflug.com\/aircraft-manufacturers\/de-havilland\/\"><span class=\"rk\">United Kingdom<\/span><span class=\"rh\">de Havilland<\/span><span class=\"rp\">The Hatfield firm that put Britain&rsquo;s flying clubs in Moths, built a bomber out of furniture wood, gave the world its first jet airliner &mdash; and lost it to a&hellip;<\/span><span class=\"go\">Read the de Havilland page<\/span><\/a><a class=\"rel\" href=\"https:\/\/migflug.com\/aircraft-manufacturers\/hawker\/\"><span class=\"rk\">United Kingdom<\/span><span class=\"rh\">Hawker<\/span><span class=\"rp\">Born from the wreck of Sopwith and named after a test pilot who died within a year, Hawker built the Hurricane that carried the Battle of Britain and the Hunter that set&hellip;<\/span><span class=\"go\">Read the Hawker page<\/span><\/a><a class=\"rel\" href=\"https:\/\/migflug.com\/aircraft-manufacturers\/\"><span class=\"rk\">The index<\/span><span class=\"rh\">All aircraft manufacturers<\/span><span class=\"rp\">Every company that built an aircraft flown by the air forces in the Order of Battle, current and historic.<\/span><span class=\"go\">Open the list<\/span><\/a><\/div>\n<\/div>\n<\/section>\n<hr class=\"divider\">\n<section style=\"padding:48px 0 64px\">\n<div class=\"wrap\">\n<div class=\"kicker\">Sources &amp; Further Reading<\/div>\n<h2>Every fact, checked<\/h2>\n<ul class=\"srclist\">\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Boulton_Paul_Aircraft\" rel=\"nofollow noopener\" target=\"_blank\">Boulton Paul Aircraft &ndash; Wikipedia<\/a><span><\/span><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Boulton_Paul_Defiant\" rel=\"nofollow noopener\" target=\"_blank\">Boulton Paul Defiant &ndash; Wikipedia<\/a><span><\/span><\/li>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Boulton_Paul_Balliol\" rel=\"nofollow noopener\" target=\"_blank\">Boulton Paul Balliol &ndash; Wikipedia<\/a><span><\/span><\/li>\n<\/ul>\n<p class=\"verified\">Verified 2026-10-03.<\/p>\n<\/div>\n<\/section>\n<\/div>\n<style>#mfam .ph1{background-image:url(https:\/\/ml5psubhxdln.i.optimole.com\/cb:78--.b845\/w:auto\/h:auto\/q:96\/f:best\/https:\/\/migflug.com\/wp-content\/uploads\/2026\/09\/uk-t-f53.jpg)!important}<\/style>\n<style>#mfam 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el=document.getElementById(\"shr-data\");var js=decodeURIComponent(escape(atob(el.getAttribute(\"data-js\"))));var sc=document.createElement(\"script\");sc.text=js;document.body.appendChild(sc);})();<\/script>","protected":false},"excerpt":{"rendered":"<p>Order of Battle &middot; Aircraft manufacturers &middot; United Kingdom Boulton Paul Boulton &amp; Paul Ltd &middot; Boulton Paul Aircraft Ltd &middot; Dowty Boulton Paul Ltd A Norwich ironmonger&rsquo;s became Britain&rsquo;s gun-turret specialist, built more Sopwith Camels than anyone and gave the RAF the Defiant, a fighter with no forward guns at all. 1934Founded Merged 1961Status [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":31477,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"editor_notices":[],"footnotes":""},"class_list":["post-31533","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - 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