Dornier Do-27

Dornier Do-27
Pays	Germany
Rôle	Aéronef utilitaire léger ADAC
Premier vol	27 juin 1955
Construit	628

Lla Dornier Do 27 était un avion utilitaire monomoteur allemand STOL, construit par Dornier GmbH (plus tard DASA Dornier, Fairchild-Dornier). La configuration était une aile haute classique, « dragueur de queue » aéronefs à train d’atterrissage fixe.

Source: Dornier Do-27 sur Wikipédia

Dornier Do.27 J-1 Se promener
Photographe	Meindert de Vreeze
Localisation	Inconnu
Photos	20

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Dornier Do 27 (100) Promenade
Photographe	Isaac Gershman
Localisation	Inconnu
Photos	38

Voir aussi :

Lla « Slow-Motion » Flyer

Lla Dornier Do 27 was the first mass-produced aircraft developed in Germany after World War II. It was famous for its extraordinary Short Take-Off and Landing (STOL) capabilities. The J-1 variant was the specific production model for the Belgian Army, though it was based on the standard military A-model used by the Luftwaffe. With its high wing, oversized cockpit windows, and ability to stay airborne at incredibly low speeds, it became the quintessential light utility and observation aircraft of the 1950s and 60s.

Attribute	Technical Specification (Do 27 J-1)
Rôle	STOL Utility / Observation / Liaison
Crew / Capacity	1 Pilot + 3 to 5 Passengers
First Flight (Series)	April 8, 1955 (Spain) / October 17, 1956 (Germany)
Groupe motopropulseur	1 × Lycoming GO-480-B1A6 flat-six engine
Horsepower	274 hp (204 kW)
Vitesse maximale	144 mph (232 km/h)
Stall Speed	Approx. 36 mph (58 km/h)
Takeoff Roll	Less than 250 feet (approx. 75 m)

Engineering for Maximum Lift

Fixed Leading-Edge Slats: To achieve its legendary low-speed stability, the Do 27 utilized fixed slats along the entire leading edge of the wing. This delayed the stall by keeping airflow « attached » to the wing at very high angles of attack.
Trailing-Edge Flaps: The aircraft featured large, drooping flaps that increased camber and lift, allowing it to perform « helicopter-like » steep approaches into tiny clearings.
Visibility-First Cockpit: The fuselage was designed with a very low beltline and large, bulged side windows. This allowed the pilot and observers to look almost directly downward, which was critical for its role in spotting and artillery fire correction.
Rugged Taildragger Gear: The wide-track, fixed conventional landing gear was designed to handle rough, unpaved fields and high-impact landings that would collapse lighter civilian aircraft.

Service and Conservation Legacy

Lla « Grzimek » Connection: The Do 27 gained worldwide fame through Bernhard Grzimek, who used a zebra-striped Do 27 for wildlife conservation and counting in the Serengeti. This proved the aircraft’s value as a rugged bush plane.
Belgian « J-1 » Service: The Belgian Army (Aviation Légère de la Force Terrestre) operated the J-1 variant for liaison and reconnaissance duties, valuing its ability to land on narrow roads or small farm fields.
Liaison and Medevac: In military service, the rear seats could be quickly removed to accommodate two stretchers or bulky cargo, making it a versatile « flying ambulance. »
Enduring Design: Its success led directly to the development of the twin-engine Dornier Do 28, which utilized the same basic wing and fuselage design but added the safety of two engines for over-water or remote operations.