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Yakovlev Yak-27The Yakovlev Yak-27 was a high-altitude derivative of the Yak-25 (NATO reporting name 'Flashlight'), developed in 1958 as the Yak-122 prototype. Two versions were developed: - Yak-27V: interceptor with a supplemental rocket engine. Did not enter service (although a flight test reached 23,000 m (75,400 ft)).
- Yak-27R (NATO designation 'Mangrove'): dedicated photo-reconnaissance version. Replaced the radar and radome of the fighter with a glazed nose for an observer/navigator. It retained the starboard Nudelman NL-37 cannon, but the port gun was deleted and two recce cameras were added. It had a longer wing with a span of 11.82 m (38 ft 9 in), with two Tumanskii RD-9AF turbojets, and had a top speed of about 1,285 km/h (798 mph) at high altitude, with a service ceiling of 16,500 m (54,000 ft) and a range of 2,380 km (1,480 mi) with two wing tanks. About 180 were produced, entering service in 1960.
Specifications (Yak-27R) General Characteristics - Crew: one, pilot
- Length: 18.55 m (60 ft 10 in)
- Wingspan: 11.82 m (38 ft 9 in)
- Height: m ( ft in)
- Wing area: m² ( ft²)
- Empty: kg ( lb)
- Loaded: kg ( lb)
- Maximum takeoff: 30,000 lb (13,600 kg)
- Powerplant: 2x Tumanskii RD-9F, 37.2 kN (8,360 lbf) thrust each
Performance - Maximum speed: 1,285 km/h (803 mph)
- Range: 2,380 km (1,488 miles)
- Service ceiling: 16,550 m (54,284 ft)
- Rate of climb: m/min ( ft/min)
- Wing loading: kg/m² ( lb/ft²)
- Thrust-to-weight:
Armament Related content Related development: Yakovlev Yak-25 Comparable aircraft: Designation sequence: Yak-24 - Yak-25 - Yak-26 - Yak-27 - Yak-28 - Yak-30 - Yak-32
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