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SPAD S.XIII
“the ace-maker”

Q: Who designed the SPAD S.XIII?

The SPAD S.XIII was designed by Louis Bechereau, chief engineer at SPAD (Societe Pour L'Aviation et ses Derives), as an enlarged and more powerful development of his earlier SPAD S.VII. The prototype first flew on 4 April 1917.

Q: How fast was the SPAD S.XIII?

Roughly 218 km/h (about 135 mph), which made it one of the fastest fighters of the war. Published figures vary by source and variant, generally between about 211 and 222 km/h. It was especially strong and fast in a dive.

Q: What engine did the SPAD S.XIII use?

A water-cooled Hispano-Suiza 8 V-8. The S.XIII used geared 8B versions rated at about 220 horsepower, with later engines around 235 hp. The geared Hispano-Suiza gave the SPAD its speed but suffered early reliability and reduction-gear problems that grounded aircraft until they were resolved.

Q: How many SPAD S.XIIIs were built?

About 8,472 were built by SPAD and eight other French manufacturers by the end of 1918, making it one of the most-produced fighters of the First World War. Some 893 were delivered to the United States Army Air Service.

Q: Who were the famous SPAD XIII aces?

The SPAD equipped nearly every French fighter squadron and the leading Allied aces of 1918. They included Rene Fonck (75 victories) and Georges Guynemer (54) of France, Francesco Baracca of Italy, and Americans Eddie Rickenbacker and Frank Luke of the U.S. 94th Aero Squadron, the 'Hat in the Ring' squadron.

Q: Are any SPAD S.XIIIs still flying?

Only a handful of genuine SPAD XIIIs survive, most of them static museum exhibits at institutions such as the Smithsonian National Air and Space Museum, the National Museum of the U.S. Air Force and the Musee de l'Air et de l'Espace at Le Bourget. A very small number of airworthy originals and faithful reproductions do fly, but they are not available for passenger rides.

The fast, rugged French biplane that carried the Allied aces of 1918 — and re-armed the American squadrons that went to war without a fighter of their own.

~218 km/hTop speed

8,472Built by 1918

2Vickers guns

1917First flight

Photo: U.S. Air Force (public domain)

Role Fighter (scout)Era World War IEngine Hispano-Suiza 8 V-8Origin France · SPADStatus Retired 1920sWant to fly a real fighter yourself?

The Story

The fighter that made the aces — and re-armed America

By 1917 the air war had settled into a brutal arithmetic. The nimble rotary-engined fighters that had ruled 1916 — the Nieuports, the early Sopwiths — could out-turn almost anything, but they were lightly built and short on speed. The Germans answered with faster, heavier machines. France needed a fighter that could meet them on their own terms: fast, strong, and hard-hitting. The answer came from a quiet engineer named Louis Bechereau.

Bechereau’s SPAD S.VII had already proved the formula in 1916: build the airframe around a powerful, water-cooled Hispano-Suiza V-8 rather than a rotary, and accept less agility in exchange for speed and structural strength. The SPAD S.XIII, first flown on 4 April 1917, took that idea further — a bigger wing, more power, and a second machine gun. It was not a dogfighter in the turning sense. It was a diving predator.

The tactic that defined it was simple and deadly: climb high, dive on the enemy at speed, fire a hard burst from two synchronized guns, and zoom away before he could react. The SPAD could not turn with a Fokker, but few aircraft of the war could take punishment and out-dive it. In the hands of a disciplined pilot it was a machine for fighting on your own terms, and the best pilots of the war made it famous.

France’s leading aces flew SPADs. Rene Fonck, the Allied “ace of aces” with 75 confirmed victories, and Georges Guynemer, the frail national hero who vanished over Belgium in September 1917, both did their killing in Bechereau’s fighters. Italy’s Francesco Baracca flew them on the Italian Front. Nearly every French fighter escadrille converted to the type.

Then America arrived. The United States entered the war in 1917 with no combat aircraft of its own worth the name, and its squadrons went into battle in French equipment. The SPAD XIII armed the U.S. Army Air Service — including the 94th Aero Squadron, the “Hat in the Ring” squadron, whose pilots included the top American ace Eddie Rickenbacker and the Medal-of-Honor “balloon buster” Frank Luke. Some 893 SPAD XIIIs were shipped to the AEF.

It was not a flawless aircraft. The geared Hispano-Suiza that gave the SPAD its speed was, in its early forms, temperamental — reduction gears failed, engines were grounded, and production of reliable powerplants lagged behind the airframes waiting for them. Pilots also had to respect its handling: heavy, fast, and unforgiving of the sloppy low-speed flying that a rotary fighter would forgive.

But the numbers tell the story. By the Armistice, SPAD and eight other French firms had built roughly 8,472 of them — one of the most-produced fighters of the entire war. The SPAD XIII did not win the air war by being the most agile machine in the sky. It won by being fast enough, strong enough, and available in enough numbers to put a modern fighter under every good pilot the Allies had.

Fast, strong and heavy-hitting: the SPAD could not turn with the enemy, so its pilots learned to dive on him instead — and be gone before he recovered.How the SPAD XIII was flown — the dive-and-zoom doctrine of 1918

01The SPAD S.XIII’s lineage: from the SPAD S.VII to the ace-maker

The S.XIII was the high point of a family, not a bolt from the blue. Louis Bechereau’s SPAD S.VII of 1916 established the recipe — a strong wooden airframe wrapped around a water-cooled Hispano-Suiza V-8 and armed with a single synchronized Vickers gun. It was fast and tough where its rotary rivals were agile and fragile.

The S.XIII scaled the idea up: a larger wing, rounded lower wingtips, a more powerful geared Hispano-Suiza, and a second Vickers gun for double the firepower. Between the two came experiments and parallel SPAD designs, but it was the S.XIII that became the standard Allied fighter of 1918, ultimately outnumbering and replacing the S.VII in French service.

Design & Engineering

What makes the SPAD S.XIII special

A wing built to dive, not to turn

The SPAD traded agility for strength. Its robust wire-braced wooden structure let pilots dive hard and pull out at speeds that would have shed the wings of a lighter rotary fighter — the foundation of its dive-and-zoom fighting style.

A Hispano-Suiza V-8, not a rotary

Where most 1916 fighters spun a whole rotary engine around a fixed crank, the SPAD used a stationary, water-cooled Hispano-Suiza 8 V-8 of roughly 220 hp. More power and no gyroscopic torque — at the cost of weight and, early on, reliability.

Two guns through the propeller

The S.XIII carried two synchronized .303 Vickers machine guns firing forward through the propeller arc, 400 rounds each. Double the firepower of the single-gun S.VII, delivered in the brief window of a diving pass.

02The SPAD S.XIII’s Hispano-Suiza engine: power, gearing and gremlins

The SPAD’s speed came from Marc Birkigt’s Hispano-Suiza 8, a cast-aluminium-block water-cooled V-8 that was one of the great engineering achievements of the war. The S.XIII used geared 8B variants — a reduction gear let the crankshaft turn faster than the propeller, extracting more power — rated at about 220 hp, with later engines pushing toward 235 hp.

The gearing was also the SPAD’s weak point. Early geared Hispano-Suizas suffered reduction-gear failures and lubrication problems, and supply of reliable engines lagged so badly that airframes sat waiting for powerplants. Once the bugs were worked out, the combination was formidable; but the “Hisso” gremlins are a real part of the SPAD story, not a footnote.

SPAD S.XIII head-on, showing the blunt Hispano-Suiza V-8 nose

Head-on, the SPAD’s blunt radiator nose gives away the water-cooled V-8 inside. Photo: Air Service, U.S. Army (public domain).

03The SPAD S.XIII’s fighting style: dive-and-zoom versus the turn-fighters

Fighter tactics in 1918 split along a fault line the SPAD helped define. Rotary-engined machines like the Sopwith Camel and Fokker Dr.I were turn-fighters: light, agile, able to whip around inside an opponent. The SPAD was the opposite — heavy, fast, and happiest in the vertical.

A SPAD pilot who tried to dogfight a turning Fokker on its terms would lose. So he didn’t. He used energy: hold the height advantage, dive, fire, and climb away to set up again. It is the same “boom-and-zoom” logic that heavier fighters would use for the next thirty years, and the SPAD XIII was one of the first aircraft fast and strong enough to make it a doctrine.

04The SPAD S.XIII’s aces: Guynemer, Fonck, Rickenbacker and the Hat in the Ring

Georges Guynemer, France’s frail and beloved national hero, scored the bulk of his 54 victories in SPADs before disappearing over Poelkapelle, Belgium, on 11 September 1917 — no wreck, no grave, a legend that told French schoolchildren he had simply flown too high to come down.

Rene Fonck, colder and more methodical, became the Allied ace of aces with 75 confirmed victories, an economical marksman who often downed enemies with a handful of rounds. Italy’s Francesco Baracca flew SPADs on the Italian Front.

For the Americans, the SPAD XIII was the fighter of the 94th Aero Squadron — the “Hat in the Ring” squadron — whose pilots included top U.S. ace Eddie Rickenbacker (26 victories) and Medal of Honor recipient Frank Luke, the “Arizona Balloon Buster.”

SPAD S.XIII of the 22nd Aero Squadron, U.S. Army Air Service

A SPAD XIII of a U.S. Aero Squadron. Photo: Air Service, U.S. Army (public domain).

Technical Data

SPAD S.XIII full specifications

Airframe & Performance

Crew: 1
Length: 6.25 m (20 ft 6 in)
Wingspan: ~8.1 m (some sources 8.25 m)
Height: 2.60 m (8 ft 6 in)
Wing area: ~21.1 m²
Empty weight: ~602 kg (1,326 lb)
Gross weight: ~857 kg (1,888 lb)
Max speed: ~218 km/h (135 mph) · sources 211–222
Service ceiling: ~6,800 m (22,300 ft)
Endurance: ~2 hours
Climb to 5,000 m: ~20 minutes

Powerplant, Armament & Programme

Engine: Hispano-Suiza 8 (geared) water-cooled V-8
Power: ~220 hp (late variants ~235 hp)
Armament: 2 × .303 Vickers, 400 rounds each
Designer: Louis Bechereau (SPAD)
First flight: 4 April 1917
Built: ~8,472 (893 to U.S. Army Air Service)
Unit cost: Not reliably recorded (1917)
Cost per flight hour: ~$500–$1,500 (rough modern airworthy-reproduction estimate, not a 1917 figure)
Status: Retired (1920s)

05The SPAD S.XIII’s numbers: how 8,472 fighters were built

The SPAD XIII was not just good — it was buildable. Its wooden, wire-braced structure suited France’s dispersed furniture-and-carriage workshops, and SPAD licensed production to eight other firms. By the Armistice roughly 8,472 had been completed, making it one of the most-produced fighters of the war.

Around 893 went to the United States Army Air Service, which had entered the war without a homegrown fighter. Postwar, surplus SPADs served on as trainers and second-line fighters in air forces from Poland and Czechoslovakia to Japan, Belgium, Greece, Brazil and Siam.

06The SPAD S.XIII’s cost: why there is no reliable price tag

Unlike modern aircraft, the SPAD XIII has no reliably recorded unit cost. It was built by many manufacturers under wartime contracts in a rapidly inflating economy, and consistent per-airframe figures simply were not preserved in a way historians trust.

The “cost per flight hour” figure in the table above is included only for consistency with the rest of the encyclopedia. It is a rough modern estimate for operating an airworthy SPAD reproduction on the warbird circuit — on the order of a few hundred to well over a thousand dollars an hour once fuel, insurance and specialist maintenance are counted — and should not be read as a historical 1917 cost.

Timeline

The SPAD S.XIII through history

1916

The SPAD S.VII proves the formula

Bechereau’s first Hispano-Suiza-powered SPAD enters service — fast, strong, and single-gunned.

4 Apr 1917

SPAD S.XIII first flight

The enlarged, twin-gun prototype flies for the first time.

Mid 1917

Into French squadrons

Production ramps up; French escadrilles begin re-equipping with the type.

11 Sep 1917

Guynemer is lost

France’s national hero disappears over Belgium; his legend outlives him.

1918

America goes to war on SPADs

The U.S. Army Air Service arms squadrons including the 94th “Hat in the Ring” with the SPAD XIII.

Nov 1918

Armistice

Around 8,472 have been built — among the most-produced fighters of the war.

1920s

Retirement and export

Withdrawn from front-line use; surplus airframes serve on abroad as trainers and second-line fighters.

Today

A handful survive

Four originals and a few airworthy reproductions remain, in museums and specialist collections.

Stories & Eyewitnesses

SPAD S.XIII: the people and the legends

The lost hero

Guynemer flies too high

Georges Guynemer, tubercular and slight, was France’s most beloved airman. On 11 September 1917 he took off over Flanders and never returned. No confirmed wreck was ever found, and a myth grew that he had simply climbed so high he could not come back down.

With 54 victories, Guynemer scored most of his kills in SPADs. His disappearance over Poelkapelle turned a fighter pilot into a national legend; French schoolchildren were reportedly told he had flown so high he could not descend.

Ace of aces

Rene Fonck, the marksman

Rene Fonck ended the war as the top Allied ace with 75 confirmed victories — and possibly many more unconfirmed. He was a cold, precise shot who prided himself on downing enemies with only a few rounds.

Fonck flew SPADs and treated air combat as marksmanship, not brawling. He reportedly once downed multiple aircraft in a single sortie using only a handful of bullets, sparing his ammunition and his engine.

Hat in the Ring

Rickenbacker’s 94th

The U.S. 94th Aero Squadron — the “Hat in the Ring” squadron — fought the last months of the war on SPAD XIIIs. Its star was Eddie Rickenbacker, a former race-car driver who became America’s top ace with 26 victories.

Rickenbacker’s SPAD, and those of his squadron mates, carried the famous top-hat-in-a-ring insignia. He survived the war, received the Medal of Honor, and became one of America’s best-known aviators.

The balloon buster

Frank Luke’s last flight

Frank Luke, the “Arizona Balloon Buster,” specialised in the most dangerous target of the war: hydrogen observation balloons ringed by anti-aircraft guns. In eight days he destroyed 14 balloons and four aircraft before being killed.

Flying SPADs with the U.S. Air Service, Luke was posthumously awarded the Medal of Honor. His brief, furious career made him the second-highest-scoring American ace of the war.

The Italian Front

Baracca’s prancing horse

Italy’s top ace, Francesco Baracca, flew SPADs against Austro-Hungarian aviation. His personal emblem, a prancing black horse, was later given to a young Enzo Ferrari — and became the Ferrari badge.

Baracca scored 34 victories before being killed in 1918. The cavallino rampante he painted on his aircraft lives on today as the symbol of one of the most famous car makers in the world.

The tactic

Dive, fire, disappear

The SPAD could not out-turn a rotary fighter, so its pilots refused to try. Instead they used height and speed: dive on the enemy, fire a hard burst from two guns, and zoom away before he could react.

This energy-fighting doctrine — later called boom-and-zoom — suited the SPAD’s strengths perfectly and would define heavy-fighter tactics for decades to come.

The gremlins

The Hisso’s reduction gear

The geared Hispano-Suiza that gave the SPAD its speed was also its curse. Early engines suffered reduction-gear failures and lubrication troubles, and reliable powerplants were in such short supply that finished airframes sat idle waiting for engines.

Once the gearing problems were solved the combination was superb, but the “Hisso” troubles delayed the SPAD’s full impact and are a genuine part of its story.

Mass production

8,472 fighters

The SPAD XIII’s wooden, wire-braced construction suited France’s network of small workshops. SPAD licensed the design to eight other firms, and by the Armistice roughly 8,472 had been built.

That made it one of the most-produced fighters of the entire war — not the most agile machine in the sky, but available in the numbers that actually decide air campaigns.

America’s borrowed sword

The AEF’s French fighter

The United States entered the war in 1917 with no modern fighter of its own. Its squadrons went into combat in French aircraft — and the SPAD XIII became the standard American fighter of 1918.

Around 893 SPAD XIIIs were delivered to the U.S. Army Air Service, equipping the pursuit squadrons that produced America’s first generation of combat aces.

The other ace

Nungesser’s scars

Charles Nungesser, a flamboyant and repeatedly-wounded French ace with 43–45 victories, flew SPADs among many types. He survived the war despite a catalogue of injuries that would have grounded most men.

Nungesser later vanished in 1927 attempting a transatlantic flight from Paris to New York — a final disappearance that, like Guynemer’s, became part of French aviation legend.

SPAD versus Fokker

The 1918 match-up

In 1918 the SPAD XIII’s great rival was Germany’s superb Fokker D.VII. The Fokker was more forgiving and a better all-round dogfighter; the SPAD was faster in a dive and hit hard.

Neither dominated outright. The outcome usually came down to numbers, tactics and the pilot — and by 1918 the Allies had the SPAD in overwhelming numbers.

Survivors

Four originals, a few flyers

Of the thousands built, only about four genuine SPAD XIIIs survive — at the Smithsonian, the National Museum of the U.S. Air Force, and the Musee de l’Air at Le Bourget among them.

A very small number of airworthy originals and faithful reproductions still fly at airshows, flown by preservation groups such as France’s Memorial Flight — but none are available for passenger rides.

Gallery

SPAD S.XIII in photographs

SPAD S.XIII of the 103rd Aero Squadron on the Western Front, 1918 — SPAD XIII of the 103rd Aero Squadron, 1918.Photo: U.S. Army (public domain) via Wikimedia Commons

Restored SPAD S.XIII in 94th Aero Squadron Hat in the Ring markings — Restored SPAD XIII in 94th Aero Squadron markings.Photo: U.S. Air Force (public domain) via Wikimedia Commons

Preserved SPAD S.XIII biplane fighter on museum display, colour photograph — A preserved SPAD XIII on museum display.Photo: Steve Nimmons (CC BY 2.0) via Wikimedia Commons

SPAD S.XIII front view showing the Hispano-Suiza V-8 engine nose — SPAD XIII head-on, showing the V-8 radiator nose.Photo: Air Service, U.S. Army (public domain) via Wikimedia Commons

SPAD S.XIII three-view scale drawing (plan, side and front) — SPAD XIII three-view general-arrangement drawing.Drawing: Serge Desmet (CC BY-SA 3.0) via Wikimedia Commons

Video

SPAD S.XIII in flight

Video: “Spad XIII in flight” — Memorial Flight (~84,600 views). Memorial Flight is a French association that restores and operates one of the very few airworthy SPAD XIII aircraft in the world.

Operations Overview

Where the SPAD S.XIII flew

The SPAD S.XIII was the standard Allied fighter of 1918: built and flown above all by France, adopted by the American squadrons of the AEF, used on the Italian Front, and passed on to a dozen air forces after the war. Toggle the categories to explore operators, combat theatres and surviving airframes. Colours follow the highest-priority category; tooltips list every role a country played.

Primary operatorsCombat theatrePreserved todayPostwar / export

By the Numbers

SPAD S.XIII combat record

8,472Built by 1918

75Victories — Rene Fonck, top Allied ace

26Victories — Eddie Rickenbacker (Medal of Honor)

Questions & Answers

SPAD S.XIII: your questions answered

Can I fly in a SPAD S.XIII?

Not as a paying passenger. The SPAD S.XIII is a single-seat World War I fighter, it was retired in the 1920s, and it is not offered as a ride anywhere. A very small number of airworthy original and reproduction SPAD XIIIs do still fly at airshows in the hands of specialist warbird collections and preservation groups such as France’s Memorial Flight, but these are not bookable experiences.

If you want to actually fly in a fast military aircraft yourself, you can. MiGFlug flies civilians in genuine jet fighters and warbirds today — see the currently available aircraft and prices at migflug.com/flights-prices/.

Who designed the SPAD S.XIII?

The SPAD S.XIII was designed by Louis Bechereau, chief engineer at SPAD, as an enlarged and more powerful development of his earlier SPAD S.VII. The prototype first flew on 4 April 1917.

How fast was the SPAD S.XIII?

Roughly 218 km/h (about 135 mph), among the fastest fighters of the war. Published figures vary by source and variant, generally between about 211 and 222 km/h. It was especially strong and fast in a dive.

What engine did the SPAD S.XIII use?

A water-cooled Hispano-Suiza 8 V-8. The S.XIII used geared 8B versions of about 220 hp, with later engines around 235 hp. The gearing delivered the speed but caused early reliability and reduction-gear troubles.

How many SPAD S.XIIIs were built?

About 8,472 were built by SPAD and eight other French manufacturers by the end of 1918, one of the most-produced fighters of the war. Some 893 went to the U.S. Army Air Service.

Who were the famous SPAD XIII aces?

They included Rene Fonck (75 victories) and Georges Guynemer (54) of France, Francesco Baracca of Italy, and Americans Eddie Rickenbacker and Frank Luke of the U.S. 94th Aero Squadron, the “Hat in the Ring” squadron.

Are any SPAD S.XIIIs still flying?

Only about four genuine SPAD XIIIs survive, most as static museum exhibits at the Smithsonian National Air and Space Museum, the National Museum of the U.S. Air Force and the Musee de l’Air et de l’Espace at Le Bourget. A very small number of airworthy originals and reproductions fly, but they are not available for passenger rides.

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Related Aircraft

More from the encyclopedia

German fighterFokker D.VIIThe SPAD’s great 1918 rival — Germany’s finest fighter, so respected it was named in the Armistice.Read more German fighterFokker Dr.I TriplaneThe Red Baron’s triplane — the ultimate turn-fighter to the SPAD’s dive-and-zoom.Read more British fighterSopwith CamelThe rotary-engined Allied dogfighter that downed more enemy aircraft than any other WWI type.Read more

Sources & Further Reading

Where this came from

Smithsonian National Air and Space Museum — SPAD XIII “Smith IV” collection record.Designer, engine, armament, production total and surviving-airframe figures.
National Museum of the United States Air Force — SPAD XIII fact sheet.U.S. Army Air Service service and 94th Aero Squadron history.
Musee de l’Air et de l’Espace, Le Bourget.French service history and preserved SPAD XIII airframe.
Memorial Flight (association).Operator of an airworthy SPAD XIII; source of the in-flight video.
The Aviators Database — SPAD XIII data sheet.Dimensions, weights and armament figures.
Vintage Aviation News — SPAD S.XIII warbird profile and first-flight feature.Development history and surviving aircraft.
This Day in Aviation — SPAD S.XIII entries.Performance testing and dates.
Eddie Rickenbacker, Fighting the Flying Circus (1919).First-hand account of flying SPADs with the 94th Aero Squadron.

Figures for a 1917 aircraft vary between sources; where they are contested (wingspan, top speed, exact horsepower) the ranges are noted in the text and specifications. No reliable period unit cost survives; the cost-per-hour figure is a flagged modern reproduction estimate. Photographs via Wikimedia Commons, credited individually. This page is an independent encyclopedia entry; MiGFlug does not operate the SPAD S.XIII.

SPAD S.XIII