{"id":31775307,"date":"2026-11-08T11:07:56","date_gmt":"2026-11-08T10:07:56","guid":{"rendered":"https:\/\/migflug.com\/afterburner\/diamond-da40-diamond-star-composite-trainer-jet-fuel-safety-record\/"},"modified":"2026-11-08T11:16:02","modified_gmt":"2026-11-08T10:16:02","slug":"diamond-da40-diamond-star-composite-trainer-jet-fuel-safety-record","status":"publish","type":"post","link":"https:\/\/migflug.com\/afterburner\/de\/diamond-da40-diamond-star-composite-trainer-jet-fuel-safety-record\/","title":{"rendered":"Diamond DA40: The Composite Trainer With a Safety Record to Envy"},"content":{"rendered":"<style>.et_pb_title_container h1.entry-title { padding-top: 40px !important; }<\/style>\r\n<!-- mfsh:top -->\r\n\r\n<style>\r\n.mfsh-trigger{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 18px;margin:0 0 26px;border:2px solid 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It has a T-tail, a bubble canopy and long, thin wings that look as if they were borrowed from a glider. It is the Diamond DA40, and it has quietly become one of the standard machines on which the world learns to fly.<\/p>\r\n\r\n<p>For decades that job belonged to aluminium high-wingers with a design lineage going back to the 1950s. The DA40 took a different route: composite construction, a glass cockpit as standard and, in its current main version, a diesel engine. Its most striking selling point, though, is a statistic. When <em>Aviation Consumer<\/em> magazine compared popular light aircraft in 2011, the DA40 had the lowest fatal accident rate of the types it studied.<\/p>\r\n\r\n\r\n<div style=\"background:#f4f6f9;border:1px solid #e2e7ee;padding:18px 22px;margin:22px 0 26px\"><p style=\"margin:0 0 8px;font-weight:700;color:#0d1117\">Quick Facts<\/p><ul style=\"margin:0;padding-left:18px\"><li style=\"margin:4px 0\"><strong>Type:<\/strong> Four-seat, single-engine light aircraft and trainer with composite airframe<\/li><li style=\"margin:4px 0\"><strong>Maker:<\/strong> Diamond Aircraft (Austria); built in Wiener Neustadt and London, Ontario<\/li><li style=\"margin:4px 0\"><strong>Engines:<\/strong> Austro Engine AE 300 diesel, 168 hp, jet fuel (DA40 NG); Lycoming IO-360, 180 hp, AVGAS (DA40 XLT)<\/li><li style=\"margin:4px 0\"><strong>Cruise:<\/strong> Up to 154 kts TAS at 16,000 ft (DA40 NG)<\/li><li style=\"margin:4px 0\"><strong>Fuel burn:<\/strong> 5.1 US gal\/h at 60% power (DA40 NG)<\/li><li style=\"margin:4px 0\"><strong>Range:<\/strong> 934 nm at FL160, 50% power, no reserves (DA40 NG)<\/li><li style=\"margin:4px 0\"><strong>Cockpit:<\/strong> Garmin G1000 NXi with central standby instruments<\/li><li style=\"margin:4px 0\"><strong>Safety:<\/strong> Fatal accident rate 0.35 per 100,000 hours, lowest in Aviation Consumer&rsquo;s 2011 study<\/li><\/ul><\/div>\r\n\r\n\r\n<h2 style=\"padding-top:22px\">From two seats to four<\/h2>\r\n\r\n<p>The DA40 Diamond Star is the four-seat development of Diamond&rsquo;s earlier two-seat DA20, and first flew in the late 1990s. Diamond Aircraft, founded in 1981 and headquartered in Austria, builds it at Wiener Neustadt in Austria and at London, Ontario, in Canada. The company says more than 5,500 Diamond aircraft of all types are now flown by private pilots and flight-training organisations worldwide; more than 2,000 of them are DA40s.<\/p>\r\n\r\n<p>The layout is simple and clean: a low-wing cantilever monoplane with a fixed tricycle undercarriage, a T-tail and an airframe built from composite materials. Diamond describes the structure as an all-composite airframe that combines advanced aerodynamics with passive safety technology for occupant protection.<\/p>\r\n\r\n\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/11\/diamond-da40-ng-n297la-takeoff-daytona-beach.jpg\" alt=\"A Diamond DA40 NG climbing away after take-off at Daytona Beach International Airport, showing its long wing and T-tail\" style=\"width:100%;height:auto;max-width:100%;display:block\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">A DA40 NG climbing out of Daytona Beach in January 2026, showing the long, slender wing and T-tail. Photo: ZLEA \/ CC BY-SA 4.0<\/figcaption><\/figure>\r\n\r\n\r\n<p>That long, high-aspect-ratio wing is no styling accident. Long, slender wings with low wing loading tend to give gentle, predictable handling at low speed, exactly what you want under a nervous student. Diamond&rsquo;s own figures for the jet-fuel DA40 NG give a stall speed of 58 knots in landing configuration.<\/p>\r\n\r\n<h2 style=\"padding-top:22px\">Jet fuel in a four-seater<\/h2>\r\n\r\n<p>The DA40 has been built with several engines. The petrol versions use a Lycoming IO-360 of 180 hp; today&rsquo;s DA40 XLT carries the Lycoming IO-360 M1-A and burns AVGAS. A diesel version, the DA40 TDI, used a Thielert Centurion engine. The current headline model, the DA40 NG, uses an Austro Engine AE 300: a 168 hp turbocharged, common-rail 2.0-litre diesel with single-lever electronic engine control, built by a company in the Diamond group.<\/p>\r\n\r\n<p>The point of the diesel is fuel. The AE 300 runs on Jet A-1, Jet A and JP-8 among others, which is available at airports where AVGAS is scarce or expensive. Diamond quotes a consumption of 5.1 US gallons (19.3 litres) per hour at 60 percent power, a maximum cruise of 154 knots true airspeed at 16,000 feet and a maximum range of 934 nautical miles at FL160 on 50 percent power, with no reserves.<\/p>\r\n\r\n\r\n<div style=\"background:#f8f9fa;border-left:4px solid #1565c0;padding:20px 22px;margin:18px 0 24px;font-size:16px;line-height:1.7\"><div><em>&ldquo;We expect fuel consumption reductions over our AvGas powered fleet of 32% for our single-engine aircraft and 55% for the multi-engine fleet.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Kevin McMurtrie<\/strong> &mdash; Chief Flying Instructor, Australian International Aviation College (quoted by Diamond Aircraft)<\/div><\/div><\/div>\r\n\r\n\r\n<p>There is a trade-off. Diamond&rsquo;s own tables show the NG climbing at 651 feet per minute at sea level against 780 for the AVGAS XLT, and the NG needs a longer take-off roll. Flight schools that buy the NG are betting that cheaper, more widely available fuel matters more over thousands of training hours than a few hundred feet per minute.<\/p>\r\n\r\n\r\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0 8px\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/h_syuS102V4\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen><\/iframe><\/div>\r\n\r\n<p style=\"font-size:13px;color:#777;text-align:center;font-style:italic;margin:0 0 24px\">AVweb&rsquo;s flight trial of the jet-fuel Diamond DA40 NG.<\/p>\r\n\r\n<h2 style=\"padding-top:22px\">The safety record<\/h2>\r\n\r\n<p>Here is the statistic that made the DA40&rsquo;s name. In a study for its January edition, reported by AVweb in December 2011, <em>Aviation Consumer<\/em> studied the accident records of 11 popular light aircraft. The DA40 had the lowest fatal accident rate, 0.35 per 100,000 flight hours, ahead of the Cessna 172 at 0.45 and against a general aviation average of 1.2.<\/p>\r\n\r\n<p>Its overall accident rate, 1.19 per 100,000 hours, was a little more than a sixth of the GA average of 6.3. The combined fatal rate for the Cirrus SR20 and SR22, aircraft with a full airframe parachute, was 1.6 in the same study. In 2020 the magazine went looking for DA40 accidents again and found only 51 NTSB reports for a type with more than 2,000 built. Several were so minor, such as a slow roll into a hangar after a parking-brake mistake, that they barely counted as accidents.<\/p>\r\n\r\n\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/11\/diamond-da40-tdi-diesel-g-kaft-atlantic-flight-training.jpg\" alt=\"A Diamond DA40 TDI diesel trainer of Atlantic Flight Training registered G-KAFT on the apron at Coventry\" style=\"width:100%;height:auto;max-width:100%;display:block\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">A diesel DA40 TDI of Atlantic Flight Training at Coventry, with the type name on its tail. Training fleets like this make up much of the DA40&rsquo;s flying. Photo: Rob Hodgkins \/ CC BY-SA 2.0<\/figcaption><\/figure>\r\n\r\n\r\n<p>Statistics like these depend on who flies the aircraft and how, and a fleet dominated by supervised training flights may look different from one flown by private owners. Diamond itself credits its active and passive safety approach: handling and stability to avoid accidents in the first place, and crashworthiness to protect occupants if the unexpected happens.<\/p>\r\n\r\n<h2 style=\"padding-top:22px\">A glass cockpit from the first lesson<\/h2>\r\n\r\n<p>Current DA40s are built with the Garmin G1000 NXi flight deck, with an optional GFC700 autopilot, synthetic vision and traffic advisories. Students who start on the DA40 learn on two large screens from their first lesson, much as they will later in an airliner.<\/p>\r\n\r\n\r\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/migflug.com\/afterburner\/wp-content\/uploads\/sites\/4\/2026\/11\/diamond-da40-garmin-g1000-instrument-panel.jpg\" alt=\"The instrument panel of a Diamond DA40 Diamond Star with two Garmin G1000 screens, three round standby instruments in the centre and stick controls\" style=\"width:100%;height:auto;max-width:100%;display:block\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">A G1000-equipped DA40 panel, photographed in 2006: two large screens, with the conventional standby instruments mounted centrally for both seats. Photo: Ahunt \/ public domain<\/figcaption><\/figure>\r\n\r\n\r\n<p>Diamond has kept something old-fashioned in the middle of the panel. Conventional, full-size standby instruments sit centrally where both student and instructor can see them, which, the company notes, also allows partial-panel training: practising what to do when the screens go dark.<\/p>\r\n\r\n\r\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0 8px\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/OMPuQnDtDWk\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen><\/iframe><\/div>\r\n\r\n<p style=\"font-size:13px;color:#777;text-align:center;font-style:italic;margin:0 0 24px\">Diamond Aircraft&rsquo;s own film of the DA40.<\/p>\r\n\r\n<h2 style=\"padding-top:22px\">The flight-school workhorse<\/h2>\r\n\r\n<p>The DA40 is the centre of what Diamond calls its flight-school solution: the single-engine DA40 NG and DA40 XLT for basic training, the twin-engine DA42-VI for multi-engine training, simulators and its own engines from one supplier. At EAA AirVenture Oshkosh in July 2026, Diamond delivered a DA40 XLT to Middle Tennessee State University, while the DA40 NG on display was part of SkyWarrior Flight Training&rsquo;s previously announced 18-aircraft order.<\/p>\r\n\r\n\r\n<div style=\"background:#f8f9fa;border-left:4px solid #1565c0;padding:20px 22px;margin:18px 0 24px;font-size:16px;line-height:1.7\"><div><em>&ldquo;We are proud to support our customers with efficient, advanced single- and multi-engine aircraft for the training of future professional pilots.&rdquo;<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Bin Chen<\/strong> &mdash; Chairman of Diamond Aircraft Group, EAA AirVenture Oshkosh, July 2026<\/div><\/div><\/div>\r\n\r\n\r\n<p>The next chapter may be electric. Diamond says it is developing the eDA40, an all-electric training version of the aircraft. Whether batteries can match a diesel that burns five gallons an hour is the open question, but the airframe that started it all is clearly expected to keep teaching for years to come.<\/p>\r\n\r\n<p>If you are working out where and how to earn your licence, Afterburner has looked at the costs in <a href=\"https:\/\/migflug.com\/afterburner\/cheapest-country-to-get-ppl-private-pilot-licence-cost-recognition\/\">Cheapest Country for a PPL: Real Costs and the Licence Catches<\/a>, and at what comes after in <a href=\"https:\/\/migflug.com\/afterburner\/hour-building-cost-1250-hours-atp-cfi-time-building\/\">Hour Building to the ATP: What 1,250 Flight Hours Cost<\/a>. There is a fair chance some of those hours will be logged in a white composite Diamond.<\/p>\r\n\r\n\r\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0 8px\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/qRnZ1LccVVY\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0\" allowfullscreen><\/iframe><\/div>\r\n\r\n<p style=\"font-size:13px;color:#777;text-align:center;font-style:italic;margin:0 0 24px\">Diamond Aircraft presents the DA40 NG.<\/p>\r\n\r\n\r\n\r\n<p><em>Sources: Diamond Aircraft (DA40 overview and technical specifications; Why Diamond; Oshkosh 2026 release), AVweb, Aviation Consumer, Wikipedia (Diamond DA40 Diamond Star)<\/em><\/p>\r\n<!-- mfsh:bottom -->\r\n\r\n<button type=\"button\" class=\"mfsh-trigger mfsh-bottom\" data-mfsh-placement=\"bottom\" aria-haspopup=\"dialog\"><svg><use href=\"#mfsh-i-share\"\/><\/svg>Share this story<\/button>\r\n\r\n<!-- \/mfsh:bottom -->\r\n\r\n\r\n<style>.mfq{margin:34px 0 8px}.mfq h2{font:26px\/1.3 \"Gilroy semiBold\",Helvetica,Arial,sans-serif;color:#0d1117;padding-top:22px;margin:0 0 6px}.mfq .qa details{border-top:1px solid #5C91FF;margin:0;padding:0}.mfq .qa details:last-of-type{border-bottom:1px solid #e2e7ee}.mfq .qa summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:22px 26px;font:18px\/1.7 \"Gilroy semiBold\",Helvetica,Arial,sans-serif;color:#0d1117}.mfq .qa summary::-webkit-details-marker{display:none}.mfq .qa summary::after{content:\"+\";font:24px Helvetica,sans-serif;color:#3568e0;flex:0 0 auto}.mfq .qa details[open] summary::after{content:\"\\2013\"}.mfq .qa details:hover summary{color:#3568e0}.mfq .qa .a{font:16px\/1.7 \"Gilroy regular\",Helvetica,Arial,sans-serif;color:#454e5e;padding:0 26px 24px}.mfq .qa .a a{color:#3568e0}@media(max-width:680px){.mfq .qa summary{padding:18px 14px;font-size:17px}.mfq .qa .a{padding:0 14px 20px}}<\/style>\r\n\r\n\r\n<section class=\"mfq\"><h2>Frequently Asked Questions<\/h2><div class=\"qa\"><details open><summary>What is the Diamond DA40?<\/summary><div class=\"a\">The Diamond DA40 Diamond Star is an Austrian four-seat, single-engine light aircraft with a composite airframe, low wing, T-tail and fixed tricycle landing gear. Developed from the two-seat DA20, it is built by Diamond Aircraft in Austria and Canada and is widely used by flight schools as well as private owners.<\/div><\/details><details><summary>Is the Diamond DA40 safe?<\/summary><div class=\"a\">The Diamond DA40 has an outstanding safety record. A study by Aviation Consumer, reported in December 2011, found it had the lowest fatal accident rate of the 11 popular light aircraft examined: 0.35 per 100,000 hours, against 0.45 for the Cessna 172 and a general aviation average of 1.2.<\/div><\/details><details><summary>What fuel does the Diamond DA40 NG use?<\/summary><div class=\"a\">The Diamond DA40 NG uses an Austro Engine AE 300 turbocharged diesel of 168 hp that runs on jet fuel, including Jet A-1, Jet A and JP-8. Diamond quotes a burn of 5.1 US gallons per hour at 60 percent power. The DA40 XLT version uses a 180 hp Lycoming IO-360 that burns AVGAS.<\/div><\/details><details><summary>How fast is the Diamond DA40?<\/summary><div class=\"a\">According to Diamond Aircraft, the DA40 NG reaches a maximum cruise speed of 154 knots true airspeed at 16,000 feet, with a maximum range of 934 nautical miles at FL160 on 50 percent power without reserves. The AVGAS DA40 XLT cruises at up to 142 knots at sea level.<\/div><\/details><details><summary>Why do flight schools use the Diamond DA40?<\/summary><div class=\"a\">Flight schools use the Diamond DA40 for its gentle handling, safety record, low fuel burn on jet fuel and Garmin G1000 NXi glass cockpit. Diamond also mounts conventional standby instruments centrally so student and instructor can both see them and practise partial-panel flying.<\/div><\/details><details><summary>Where is the Diamond DA40 built?<\/summary><div class=\"a\">The Diamond DA40 is built by Diamond Aircraft at its factories in Wiener Neustadt, Austria, and London, Ontario, Canada. Diamond Aircraft was founded in 1981 and is headquartered in Austria, with facilities in Canada and China.<\/div><\/details><\/div><\/section>\r\n\r\n\r\n\r\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is the Diamond DA40?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Diamond DA40 Diamond Star is an Austrian four-seat, single-engine light aircraft with a composite airframe, low wing, T-tail and fixed tricycle landing gear. Developed from the two-seat DA20, it is built by Diamond Aircraft in Austria and Canada and is widely used by flight schools as well as private owners.\"}},{\"@type\":\"Question\",\"name\":\"Is the Diamond DA40 safe?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Diamond DA40 has an outstanding safety record. A study by Aviation Consumer, reported in December 2011, found it had the lowest fatal accident rate of the 11 popular light aircraft examined: 0.35 per 100,000 hours, against 0.45 for the Cessna 172 and a general aviation average of 1.2.\"}},{\"@type\":\"Question\",\"name\":\"What fuel does the Diamond DA40 NG use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Diamond DA40 NG uses an Austro Engine AE 300 turbocharged diesel of 168 hp that runs on jet fuel, including Jet A-1, Jet A and JP-8. Diamond quotes a burn of 5.1 US gallons per hour at 60 percent power. The DA40 XLT version uses a 180 hp Lycoming IO-360 that burns AVGAS.\"}},{\"@type\":\"Question\",\"name\":\"How fast is the Diamond DA40?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"According to Diamond Aircraft, the DA40 NG reaches a maximum cruise speed of 154 knots true airspeed at 16,000 feet, with a maximum range of 934 nautical miles at FL160 on 50 percent power without reserves. The AVGAS DA40 XLT cruises at up to 142 knots at sea level.\"}},{\"@type\":\"Question\",\"name\":\"Why do flight schools use the Diamond DA40?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Flight schools use the Diamond DA40 for its gentle handling, safety record, low fuel burn on jet fuel and Garmin G1000 NXi glass cockpit. 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Diamond Aircraft was founded in 1981 and is headquartered in Austria, with facilities in Canada and China.\"}}]}<\/script><div style=\"background:#f0f4ff;border-left:4px solid #5C91FF;padding:16px 20px;margin:32px 0 8px\"><p style=\"margin:0 0 8px;font-weight:600;color:#333\">Related Posts<\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/cheapest-country-to-get-ppl-private-pilot-licence-cost-recognition\/\">Cheapest Country for a PPL: Real Costs and the Licence Catches<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/hour-building-cost-1250-hours-atp-cfi-time-building\/\">Hour Building to the ATP: What 1,250 Flight Hours Cost<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/afterburner\/tecnam-p2008jc-ng-trainer-us-launch-flight-schools-2026\/\">Tecnam P2008JC NG Trainer Launches in the US for Flight Schools<\/a><\/p><\/div>\r\n","protected":false},"excerpt":{"rendered":"<p>The Diamond DA40 is a four-seat composite trainer with a glass cockpit, a jet-fuel diesel option and one of the best safety records in light aviation.<\/p>","protected":false},"author":27,"featured_media":31775144,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"editor_notices":[],"footnotes":""},"categories":[665],"tags":[],"class_list":["post-31775307","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aviation-world"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Diamond DA40: Composite Trainer, Safety Record | MiGFlug<\/title>\n<meta name=\"description\" content=\"Diamond DA40 explained: the four-seat composite trainer with a jet-fuel diesel, G1000 cockpit and the lowest fatal accident rate in a 2011 study.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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