de Havilland Canada DHC-4 Caribou - Photos et vidéo

de Havilland Canada DHC-4 Caribou
Pays	Usa
Rôle	Transport ADAC
Premier vol	30 juillet 1958
Construit	307

Lla de Havilland Canada DHC-4 Caribou (désigné par l’armée américaine sous le nom de CV-2 et plus tard C-7 Caribou) est un avion cargo spécialisé conçu et produit au Canada avec une capacité de décollage et d’atterrissage courts (ADAC). Le Caribou a volé pour la première fois en 1958 et, bien qu’il ait principalement pris sa retraite des opérations militaires, il est toujours utilisé en petit nombre comme robuste « buisson » aéronef.

Source: de Havilland Canada DHC-4 Caribou sur Wikipédia

de Haviland Canada C-7A (DHC-4) Caribou Se promener
Photographe	Vladimir Yakubov
Localisation	Musée de la base aérienne de Travis
Photos	100

de Haviland Canada C-7A 01

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DeHavilland C-7 Caribou Walk Around
Photographe	Bill Maloney
Localisation	Inconnu
Photos	20

C-7 Caribou Walk Around
Photographe	Fotios Rouch
Localisation	Inconnu
Photos	52

Voir aussi :

DHC-4A Caribou (A4-236) Promenade
Photographe	Mike Hughes
Localisation	Inconnu
Photos	52

The Master of the Short Field

Lla de Havilland Canada DHC-4 Caribou (designated CV-2 and later C-7 in U.S. service) was designed to do the impossible: carry the payload of a medium transport while operating from the tiny, rugged airstrips normally reserved for light bush planes. Known for its incredible Short Take-Off and Landing (STOL) capabilities, the Caribou became an indispensable asset during the Vietnam War, delivering supplies directly to remote Forward Operating Bases that no other fixed-wing aircraft could reach.

Attribute	Technical Specification (DHC-4A)
Rôle	STOL Tactical Transport
Crew	3 (Two Pilots, one Loadmaster)
First Flight	August 16, 1958
Groupe motopropulseur	2 × Pratt & Whitney R-2000-7M2 Twin Wasp radials
Horsepower	1,450 hp (1,081 kW) each
Takeoff Distance	495 feet (151 m) at full gross weight
Landing Distance	425 feet (130 m)
charge utile	32 Troops, 26 Paratroops, or 8,000 lbs of Cargo

Engineering for the Jungle Strip

Double-Slotted Flaps: The Caribou used a sophisticated full-span double-slotted flap system. This allowed the wing to generate massive lift at very low speeds, enabling the aircraft to « climb like a homesick angel » immediately after a short takeoff roll.
Upswept Tail and Rear Ramp: To facilitate rapid loading of vehicles and palletized cargo, the rear fuselage was sharply upswept. This provided a high-clearance rear loading ramp that could be opened in flight for paradrops or used on the ground for drive-on access.
Reversible Pitch Propellers: To achieve its legendary landing distances, the Caribou utilized reversible pitch propellers. Upon touchdown, the pilot could « reverse » the thrust, allowing the aircraft to stop in a distance shorter than its own wingspan.
Long-Stroke Landing Gear: Lla « bird-like » landing gear was designed with massive shock-absorption capabilities to handle the high sink rates and « controlled crashes » associated with landing on uneven, unpaved terrain.

Operational Legacy: The « Gravel Truck » of Vietnam

Inter-Service Rivalry: The Caribou was so successful at tactical airlift that it sparked a famous dispute between the U.S. Army and Air Force over who should operate fixed-wing transports. Eventually, the Army’s CV-2s were transferred to the USAF as C-7s.
Low-Altitude Extraction (LAPES): The Caribou was a pioneer in the Low Altitude Parachute Extraction System, where cargo was pulled out the rear ramp via parachute while the aircraft flew just feet above the runway.
Durability: The aircraft was built to be simple and maintainable in the field. Its radial engines were reliable and could be serviced with minimal tools in harsh environments.
Global Service: Beyond the US and Canada, the Caribou served with distinction in Australia, India, and Spain. Many are still used today by private contractors for specialized heavy-lift bush operations.