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Antonov An-24

Xian Y-7

 

an-24

 

Development of this twin-turboprop transport was started in 1957, to replace piston-engined LI-2 and Il-14's types on Aeroflot's internal feederline routes. The An-24 was intended originally to carry 32 to 40 passengers, but when the first of two prototypes flew on 20 October 1959, it had been developed into a 44-seater. It was followed by a second prototype and five preproduction An-24. On the prototype, the engine nacelles extended only a little past the wing trailing-edges: production An-24 have lengthened nacelles with conical rear fairings. A ventral tail fin was also added on production models of the passenger-carrying version, which are supplemented by the An-24T and An-26 specialised freight-carrying versions of the same basic design.


Flight testing was completed in September 1962 and the An-24 entered service on Aeroflot's routes from Moscow to Voronezh and Saratov in September 1963.


The An-24 is designed to operate from airfields of limited size, with paved or natural runways and can be fitted with rocket-assisted take-off units to permit operation with a full load of cargo at ambient temperatures above 30°C. Two were taken to the Antarctic in late 1969, to replace piston-engined Il-14 used previously for flights between Antarctic stations.


Deliveries of the An-24V started in 1962. The An-24RV features a small turbojet in the right engine nacelle to boost takeoff performance and up to 5 crew and 50 passengers.


Production ended in 1979 with over 1460 An-24 variants were built in Kiev, Irkutsk and Ulan Ude in the former USSR/Ukraine. An An-24 variant entered production in China as the Xian Y-7.


It was widely exported, serving in more than 20 countries. It was developed into the An-26 (freighter), the An-30 (survey/photo) and the An-32 (hot and high version).

The An-24RT variant became the basis for a developmentally improved design in the An-26 "Curl".

 

 An-24-03

 

An-24T
Length: 77.20ft (23.53m)
Wingspan: 95.80ft (29.20m)
Height: 27.30ft (8.32m)
Maximum Speed: 280mph (450kmh; 243kts)
Maximum Range: 398miles (640km)
Service Ceiling: 27,559ft (8,400m)
Accommodation: 2 + 44
Engines: 2 x ZMBD Progress (Ivchenko) AI-24A turboprop engines generating 2,250eshp each.

Engine: 2 x turbo prop AI-24, 1875 kW
Wingspan: 29.2 m / 95 ft 10 in
Length: 23.5 m / 77 ft 1 in
Height: 8.3 m / 27 ft 3 in
Wing area: 72.5 sq.m / 780.38 sq ft
Take-off weight: 21000 kg / 46297 lb
Empty weight: 14248 kg / 31412 lb
Cruise speed: 500 km/h / 311 mph
Ceiling: 8400 m / 27550 ft
Range w/max.fuel: 2280 km / 1417 miles
Range w/max.payload: 750 km / 466 miles
Crew: 2
Passengers: 44-50

an-24



 


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