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Yakovlev YAK 42D (1987)

$ 2 100 000
Base data
Model:YAK 42D
Year built:1987
Last annual:9/2017
Location:Russia, Kazan, UWKD
Total Time (TTAF):26306 h
Price:US$ 2,100,000
No. of passengers:120 / 104
Number of engines:3
Make/Model:Lotarev D-36 turbofanLotarev D-36 turbofanLotarev D-36 turbofan
Power:63.75 kN63.75 kN63.75 kN
Total Time:7916 h10363 h14170 h
Description/Details of engines
Powerplant: 3 x Lotarev D-36 turbofan engines, 63.75 kN (14,330 lbf) thrust each.

Design and development.

The engine was developed for the Yak-42, An-72 and An-74 aircraft and was very advanced when it was first introduced in the 1970s. The engine was designed by Vladimir Lotarev. The first test runs began in 1971, first flight tests followed in 1974, serial production began in 1977.

The engine has a single-stage fan with 29 titanium blades and a Kevlar outer shell, which is driven by a three-stage turbine. The six-stage low pressure compressor with titanium blades is driven by a single-stage non-cooled low pressure turbine. The seven-stage high-pressure compressor with steel blades is driven by a steel bladed high-pressure turbine.

Since the tradition in the Soviet era was to gradually and continuously improve engines in serviceability, engines went from Series 1 to 3A (depending on the application). The Series 1 (used on Yak-42D) did not feature any reverse thrust system however, series 1A to 3A were fitted with bucket-type thrust reversers (used on An-72/An-74). The most recent upgrade (after the Soviet breakup) is Series 4A which has been in manufacture since 2002. Improvements included updated curved titanium blades and a built-in reverse thrust device. More advanced blade design along with proprietary wear-resistant and heat-protective coatings have resulted in improved specific fuel consumption (kg/h/kgf) dropping from 0.65 to 0.63. Specified service life has also improved exponentially to 40,000 hours.
Established. In addition to the standard: БСПС TCAS-II Rockwell Collins, CHC KLN-90В, such as emergency beacons ARM-406, altimeters ВБЭ-СВС-ЦМ.
All the improvements, the mandatory
Inspection Status
By Decision No. ЭР-42-601-05 of 11.07.2005 the aircraft has been assigned the assigned resource: 30,000 flight hours, 18,000 flights, 30 years (until August 31, 2017)
The procedure for individual extension of the assigned resource to 40,000 flight hours, 18,000 flights and a service life of 35 years has been established.
Other remarks
The aircraft is fully prepared for flights.
Maximum take-off weight: 57 500 kg
Maximum charge: 18 500 kg
Empty weight: 32 694 kg (32 994 kg.)
Centering: 46.7% of САХ
Non-standard equipment: CHC KLN-90B, emergency beacons APM-406, БСПС TCAS-II, altimeters ВБЭ-CBC-ЦМ.
TC — 10,000 was performed with 11 997 flying hours, 6 831 flights,
TC — 20 000 with a running time of 25 000 flying hours, 12 956 flights, 22 years
The last periodic maintenance order: Form-44, #Ф-3 calendar work at 6, 12, 18, 24 months, Estimation of the airframe of the glider, preparation for flights (including Ф-1) when operating the СНЭ — 26 306 flying hours, 13 538 landings.
Regular Periodical Technical Inspection: Form-45
Flights in September: (0 hours) the aircraft is in storage
Take off Yak-42D
Take off Yak-42D
Landing Yak-42D
Landing Yak-42D

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