Antonov An-10

Maximum speed: 680 km/h (423 mph)
Range: 4075 km (2532 miles)
Service ceiling: 12000 m (39,370 ft)

Antonov An-10

By Wikipedia,
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http://en.wikipedia.org/wiki/Antonov_An-10

An-10 Ukraine Ан-10 Украина
Role	Airliner
Manufacturer	Antonov
Designed by	Oleg Antonov
First flight	1957
Introduced	1959^[1]
Retired	1972
Primary user	Aeroflot
Number built	108
Variants	Antonov An-12

The Antonov An-10 Ukraine (Russian: Антонов Ан-10 Украина) was a four-engined turboprop passenger transport aircraft. It first flew in 1957. 108 were built. The aircraft was developed simultaneously with a cargo version Antonov An-12 (more than 1200 built). The specification required the aircraft to be able to operate from unprepared airfields.

After an accident due to a lack of pitch manoevrability, stabilizer fins were removed and the aircraft was re-designated the An-10A. The capacity increased to 110 seats.

The type was withdrawn from service in 1972 after an accident that revealed a structure weakness of the wing base. At the same time, her sister Antonov An-12 (that shares 90% of components with An-10) appeared to be very robust and is still in service in many countries. After the withdrawal of An-10, it was replaced by Ilyushin Il-18 and Antonov An-24 initially, then later by Tupolev Tu-134.