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The 280T was similar to the 26T, using the Breguet 19's flying surfaces combined with a passenger-carrying fuselage that completely filled the interplane gap. The 280 fuselage was based on the 26T's fuselage but featured refined aerodynamics.
A single prototype was evaluated in autumn 1928, followed by eight production machines ordered by Air Union. These were flown on routes between Paris and southern France, between Paris and Switzerland, and (occasionally) between Paris and London. They were joined in service by a 10th machine (converted from one of the 281T prototypes), and six 284Ts with more powerful engines (one of these converted from the other 281T). Two of this latter type were also operated by Air Orient on routes to East Asia. Some of Air Union's 280Ts and 284Ts were still in service when the airline was absorbed into Air France.
Accidents and incidents
On 17 January 1931, Breguet 280T F-AIVU of Air Union crashed while attempting to land at Lympne Airport in England. The aircraft caught the boundary fence and crashed onto the airfield, damaging the forward fuselage and undercarriage. Of the eight people on board, one of the crew was injured.
- First main production version with a 370 kW (500 hp) Renault 12Jb engine, nine built.
- Prototypes with 340 kW (450 hp) Lorraine-Dietrich 12Ed engines. Two aircraft built, one later converted to 280T, the other to 284T standard.
- Second main production version with 450 kW (600 hp) Hispano-Suiza 12Lbrx engine, seven built.
- Air Orient operated two Breguet 284T aircraft.
- Air Union operated ten Breguet 280T and five Breguet 284T aircraft.
- Air France
- Crew: two pilots
- Capacity: six passengers
- Length: 12.12 m (39 ft 9 in)
- Wingspan: 17.25 m (56 ft 7 in)
- Wing area: 55.9 m2 (601 ft2)
- Empty weight: 2,040 kg (4,497 lb)
- Gross weight: 3,320 kg (7,319 lb)
- Powerplant: 1 × Renault 12Jb inline engine, 373 kW (500 hp)
- Maximum speed: 220 km/h (137 mph)
- Range: 1,100 km (700 miles)
- Service ceiling: 4,700 m (15,420 ft)
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- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 199.
- World Aircraft Information Files. London: Bright Star Publishing. pp. Sheet 890 Sheet 81.