OVERVIEW
Fewer than 100 of the Hanriot HD.3 series biplane fighters were built by France for the fighting of World War 1.
Fewer than 100 of the Hanriot HD.3 series biplane fighters were built by France for the fighting of World War 1.
YEAR: 1917
STATUS: Retired, Out-of-Service
MANUFACTURER(S): Hanriot - France
PRODUCTION: 90
OPERATORS: France; Kingdom of Italy
SPECIFICATIONS
Unless otherwise noted the presented statistics below pertain to the Hanriot HD.3 C.2 model. Common measurements, and their respective conversions, are shown when possible.
Unless otherwise noted the presented statistics below pertain to the Hanriot HD.3 C.2 model. Common measurements, and their respective conversions, are shown when possible.
CREW: 2
LENGTH: 22.80 feet (6.95 meters)
WIDTH: 29.53 feet (9 meters)
HEIGHT: 9.84 feet (3 meters)
WEIGHT (EMPTY): 1,676 pounds (760 kilograms)
WEIGHT (MTOW): 2,601 pounds (1,180 kilograms)
ENGINE: 1 x Salmson (Canton-Unne) 9Za 9-cylinder water-cooled radial piston engine developing 260 horsepower and driving a two-bladed propeller at the nose.
SPEED (MAX): 119 miles-per-hour (192 kilometers-per-hour; 104 knots)
RANGE: 311 miles (500 kilometers; 270 nautical miles)
CEILING: 18,701 feet (5,700 meters; 3.54 miles)
RATE-OF-CLIMB: 800 feet-per-minute (244 meters-per-minute)
ARMAMENT
2 x 0.303 Vickers Machine Guns in fixed, forward-firing mountings synchronized to fire through the spinning propeller blades.
2 x 0.303 Lewis Machine Guns in trainable mounting at rear cockpit.
2 x 0.303 Vickers Machine Guns in fixed, forward-firing mountings synchronized to fire through the spinning propeller blades.
2 x 0.303 Lewis Machine Guns in trainable mounting at rear cockpit.
VARIANTS
Series Model Variants
• HD.3 - Base Series Designation.
• HD.3 C.2 - Base Production model.
• HD.3bis CN.2 - Nightfighter prototype form; revised wing and control surfaces; single example completed.
• HD.4 - Floatplane variant of the HD.3 C.2; single example completed.
• HD.9 Ap.1 - Single-seat photographic reconnaissance variant.
Series Model Variants
• HD.3 - Base Series Designation.
• HD.3 C.2 - Base Production model.
• HD.3bis CN.2 - Nightfighter prototype form; revised wing and control surfaces; single example completed.
• HD.4 - Floatplane variant of the HD.3 C.2; single example completed.
• HD.9 Ap.1 - Single-seat photographic reconnaissance variant.
HISTORY
Detailing the development and operational history of the Hanriot HD.3 Twin-Seat Biplane Fighter. Entry last updated on 1/27/2019. Authored by Staff Writer. Content ©www.MilitaryFactory.com.
Detailing the development and operational history of the Hanriot HD.3 Twin-Seat Biplane Fighter. Entry last updated on 1/27/2019. Authored by Staff Writer. Content ©www.MilitaryFactory.com.
Hanriot of France developed its single-seat, single-engine HD.1 fighting biplane of World War 1 (1914-1918) for service beginning in mid-1916. While passed on by the French Air Force it went on to stock the inventories of several foreign players of the period including the United States, the Kingdom of Italy, and Belgium. In due course, the same design was outfitted with floats and successfully tested to become the in-service HD.2 (detailed elsewhere on this site) and this form went on to be accepted by the French Navy and, to a lesser extent, the United States Navy. By the fall of 1917, the company was already hard at work on an all-new, twin-seat, single-engine biplane fighter - this to become the "HD.3".
A prototype was made ready before the end of the year and continued Hanriot's experience in biplane fighter development. The engine-of-choice became the Salmson (Canton-Unne) 9Za radial piston engine of 260 horsepower, this used to drive a two-bladed propeller unit at the nose. The biplane wing members were of equal span with single-bays, braced by a conventional parallel strut arrangement and the two of crew sat in tandem, open-air cockpits, the rear gunner's position raised slightly to afford better vision towards the rear of the aircraft. Armament centered on 2 x 7.7mm Vickers Machine Guns in fixed, forward-firing mounts (synchronized to fire through the spinning propeller blades) managed by the pilot and 2 x 7.7mm Lewis Machine Guns on a trainable mounting in the rear cockpit for the dedicated machine gunner. The undercarriage consisted of a conventional two-wheeled/tailskid arrangement for ground-running.
The French Air Service was sold enough on the design that it contracted for 120 in an initial production order during April 1918 when there was still a great need for new advanced fighters to match new German types in turn. Another batch order, this time by the French Navy, added 180 to the number though the Armistice of November 1918 limited the design's reach and production totals with just seventy-five eventually realized for the French Air Service inventory and just a few of the type to reach the French Navy.
Development of the design continued for a time later resulting in the "HD.3bis" night-fighter prototype - with thicker mainplanes and enlarged control surfaces - and the "HD.4", another one-off prototype having twin-floats fitted for on-water service. The related "HD.9 Ap.1" was a dedicated photoreconnaissance mount of which ten were evaluated by the French beginning in November of 1918.
In all, only about ninety or so HD.3 aircraft actually saw the light of day - the end of the war bringing an abrupt end to this capable biplane fighter. The only other notable operator of the series became the Kingdom of Italy where the HD.3 went on to serve with the Aeronautica Militare.
A prototype was made ready before the end of the year and continued Hanriot's experience in biplane fighter development. The engine-of-choice became the Salmson (Canton-Unne) 9Za radial piston engine of 260 horsepower, this used to drive a two-bladed propeller unit at the nose. The biplane wing members were of equal span with single-bays, braced by a conventional parallel strut arrangement and the two of crew sat in tandem, open-air cockpits, the rear gunner's position raised slightly to afford better vision towards the rear of the aircraft. Armament centered on 2 x 7.7mm Vickers Machine Guns in fixed, forward-firing mounts (synchronized to fire through the spinning propeller blades) managed by the pilot and 2 x 7.7mm Lewis Machine Guns on a trainable mounting in the rear cockpit for the dedicated machine gunner. The undercarriage consisted of a conventional two-wheeled/tailskid arrangement for ground-running.
The French Air Service was sold enough on the design that it contracted for 120 in an initial production order during April 1918 when there was still a great need for new advanced fighters to match new German types in turn. Another batch order, this time by the French Navy, added 180 to the number though the Armistice of November 1918 limited the design's reach and production totals with just seventy-five eventually realized for the French Air Service inventory and just a few of the type to reach the French Navy.
Development of the design continued for a time later resulting in the "HD.3bis" night-fighter prototype - with thicker mainplanes and enlarged control surfaces - and the "HD.4", another one-off prototype having twin-floats fitted for on-water service. The related "HD.9 Ap.1" was a dedicated photoreconnaissance mount of which ten were evaluated by the French beginning in November of 1918.
In all, only about ninety or so HD.3 aircraft actually saw the light of day - the end of the war bringing an abrupt end to this capable biplane fighter. The only other notable operator of the series became the Kingdom of Italy where the HD.3 went on to serve with the Aeronautica Militare.
MEDIA
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General Assessment
Firepower
Performance
Survivability
Versatility
Impact
Values are derrived from a variety of categories related to the design, overall function, and historical influence of this aircraft in aviation history.
MF Power Rating
64
The MF Power Rating takes into account over sixty individual factors related to this aircraft entry. The rating is out of 100 total possible points.
Relative Maximum Speed
Hi: 120mph
Lo: 60mph
This entry's maximum listed speed (119mph).
Graph average of 90 miles-per-hour.
City-to-City Ranges
NYC
LDN
LDN
PAR
PAR
BER
BER
MSK
MSK
TKY
TKY
SYD
SYD
LAX
LAX
NYC
Graph showcases the Hanriot HD.3 C.2's operational range (on internal fuel) when compared to distances between major cities.
Aviation Era
Useful in showcasing the era cross-over of particular aircraft/aerospace designs.
Unit Production (90)
Comm. Market HI*: 44,000 units
Military Market HI**: 36,183 units
90
90
Altitude Visualization
