Su-11 Fishpot
Summary
| Category | Combat Aircraft |
| Origin country | 🇨🇳 Ex-USSR |
| Manufacturer | Sukhoi |
| First flight | 1 January 1961 |
| Year introduced | 1964 |
| Number produced | 108 units |
Technical specifications
| Version: Su-11 | |
|---|---|
| Crew | 1 pilot |
| Operational range | 500 km (311 mi) |
| Endurance | 1 hours |
| Maximum speed | 2340 km/h (1454 mph) |
| Wing area | 34 m² (366.0 sqft) |
| Wingspan | 8.5 m (28.0 ft) |
| Height | 4.7 m (15.4 ft) |
| Length | 18.2 m (59.8 ft) |
| Service ceiling | 18,000 m (59,055 ft) |
| Empty weight | 8,562 kg (18,876 lbs) |
| Max. takeoff weight | 13,986 kg (30,834 lbs) |
| Climb rate | 136.7 m/s (448.5 ft/s) |
| Powerplant | 1 x Lyulka AL-7F-2 delivering 99 kN each |
Current operating countries
All operators
Armament
Missiles payload:
- Air-to-Air Medium-Range R-98 (AA-3 Anab)
- Air-to-Air Medium-Range K-8
Description
The Sukhoi Su-11 (NATO reporting name: Fishpot-C) was a Soviet interceptor developed as an upgraded version of the Su-9. Designed in parallel with the Su-7 fighter-bomber, the aircraft first flew in 1961 as the T-47 prototype. Production of the definitive Su-11-8M variant took place between 1962 and 1965, with approximately 108 aircraft delivered. Some existing Su-9 airframes were also upgraded to the Su-11 configuration.
The Su-11 utilized a delta wing, swept tailplanes, and a cigar-shaped fuselage with a circular nose intake. It featured a lengthened nose to accommodate the Oryol (NATO reporting name: Skip Spin) radar set. Power was provided by a Lyulka AL-7F-1 turbojet engine, which produced 9.8 kN more afterburning thrust than the engine used in the Su-9. The Su-11 is distinguished from the Su-9 by external fuel pipes located on the upper fuselage aft of the cockpit. Despite its updated radar, the aircraft lacked the capability to engage low-flying targets and remained dependent on ground control interception (GCI) to vector onto targets.
Armament consisted of two R-98 (AA-3 'Anab') air-to-air missiles. These were typically deployed as a pair featuring one R-98MR semi-active radar homing missile and one R-98MT infrared-guided missile. The Su-11 did not carry an internal cannon.
Developmental issues and accidents delayed the introduction of the Su-11 into the Soviet Air Force (VVS) and Soviet Air Defence Forces (PVO) until 1964. The aircraft saw limited production and was eventually superseded by the Su-15. The Su-11 remained in front-line service until approximately 1983, with some examples operational into the early 1980s.
Main Variants
- Su-11-8M: The definitive production version of the interceptor.
- Su-11U: A conversion trainer variant featuring a second seat, full armament, and radar systems, though it possessed reduced fuel capacity and was not intended for combat.