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Aviation History
1978
1978 - 0364.PDF
628 FLIGHT International, 4 March 1978 Manufacturer/ Type Role Powerplant Power/thrust 1 x Lycoming IO-360-AIB6 200 h.p. Crew 1/2 Span Length Height Wing area (gross) 29ft 23ft 8ft 6iin (nosewheel) 128 sq ft Empty weight Max T/O weight Wing loading 1,4221b (equipped) 2,6451b 21 Ib/sq ft Max speed S.I. Max speed at altitude Economic cruise speed 129kt (2,2001 b) 197kt (never-exceed) 114kt (2,200lb) Time to height'. s.l. rate of climb Service ceiling 800ft/min (2,480lb) 13,450ft SWEDEN continued from page 621 Safari/Supporter Trainer/utility SWITZERLAND PILATUS PC-6 Turbo-Porter Utility 1 x P& W PT6A-27 550 s.h.p. 49ft 8in 35ft 9in 10ft 6in 310 sq ft 34ft 1 in 32ft 10ft 6in 178-7 sq ft 2,678lb 6,100ib (overload) 15-65lb/sqft (normal) 2,865ib 5,9521 b 33-3lb/sq ft — HOktTAS (max cruise, 10,000ft) 129kt TAS (10,000ft) 240kt (max cruise) 270kt EAS (never-exceed) 190kt (10,000ft) 1,580ft/min (4,8501b) 30,000ft 2,065ft/min (4,1881b) 31,000ft PC-7 Turbo-Trainer Trainer 1 x P& W PT6A-25 550 s.h.p. 1/2 developed as a wide-body cruise-missile carrier. Two proto type YC-15s were built for the USAF Advanced Medium Stol Transport requirement. The first of these flew on August 26, 1975, and the second on December 5. Initial testing was completed in August 1976. The aircraft has been flying with a 22ft greater-span wing, which became necessary when the specification was upgraded after initial design had been frozen. This new wing provided increases in range and lift, the latter improvement reducing take-off and landing dist ances. The Sperry Rand digital stability and control aug mentation system was also tested and regarded as successful. The aircraft also flew as a test bed for both the GE/Snecma CFM56 (aircraft No 1) and the 18,0001b-thrust refanned JT8D-209 (aircraft No 2), having previously been powered by conventional JTSDs. NOKTHROP F-SE/F Tiger II Winner of the USAF's International Fighter Aircraft contest in 1970, the F-5E is developed from the F-5A Freedom Fighter but has more powerful engines, manoeuvring flaps and increased internal fuel capacity as well as updated avionics. The radar, an Emerson Electric lightweight X-band unit, provides stabilised search, auto matic acquisition and illumination of airborne targets. It can be used to direct air-to-air missiles like Sidewinder or the built-in M39 cannons. Missile operation is head-down, using automatic ranging with boresight steering, while gunnery is head-up, the radar providing range and range-rate informa tion for the sight. Inertial navigation (Litton LN-33) is in stalled in the aircraft of several F-5E/F users including Iran, Brazil and Saudi Arabia. Saudi aircraft are also able to carry the Maverick missile on a specially developed single launcher, while Brazilian Es have a distinctive dorsal fin accommodating an ADF antenna. During 1975 flight-testing of the F-5F two-seat derivative of the Tiger II was completed and nearly 100 have been ordered, of which 65 have been delivered to date* Production at Northrop's Hawthorne and Palmdale plants stands at 13 aircraft a month, including F-5Fs. By the end of last year more than 1,000 Tiger lis had been ordered, of which 775 E/Fs havei been delivered, and the type is already operating in 12 countries, according to Northrop. Current price of an F-5E is $3-2 million and $3-9 million for an F-5F. The pro posed RF-5E, with four 70mm cameras in six available arrangements in an interchangeable nose, still awaits de velopment approval from the US Government. All new orders for F-5E/Fs will be delivered in what Northrop describes as current baseline configuration. These models will include necessary internal connections and wiring for options like the AN/ALR-46(V)-2 radar warning receiver, or the AN/ARN-108 125/CPU-129A flight-director computer. Operators: Brazil 36 E; Chile 15 E, 3 F; Ethiopia 16 E ordered but embargoed; Iran 141 E, 28 F; Jordan 57 E, 6F; Kenya 10 E, 2 F; Malaysia 14 E; Saudi Arabia 70 E, 24 F; Singapore 18 E, 3 F on order; South Korea 126 E, 9 F; Switzerland 66 E, 6 F on order; Taiwan 162 E on order; Thailand 17E, 3 F on order; USAF 112 E/F, USN 10 E, 3 F, US R&D 6 E, 2 F; Viet nam 27 E of 75 which remained in South after US with drawal; Egypt 60 E/F on order. ROCKWELL INTERNATIONAL B-1 The B-1 programme was cancelled by President Carter at the end of June last year after three prototype aircraft had flown. However, the USAF is continuing to finance the project to the tune of a further $1,500 million, and the fourth prototype, carrying AIL Cutler-Hammer electronic counter- measures, is due to join the programme shortly. So far, B-1 has cost a total of $3,500 million, while the total programme cost still remains almost $20,000 million below the anticipated figure for an operational B-1 force. Designed to replace the USAF's B-52s during the 1980s, the first prototype made its first flight at the end of 1974 and had flown nearly 120hr a year later. The second aircraft flew on April 1, 1976, this being air vehicle number three, while A/V 2, which was the structural-loads airframe for most of 1975, was refurbished and flew on June 15, 1976. A/V 3 was the first with the complete offensive avionics, and flight- testing concentrated on navigation, low-level penetration and weapon delivery. This aircraft successfully air-launched a Sram air-to-ground missile last summer shortly after the production cancellation. The B-l's nav-attack system is being integrated by Boeing and consists primarily of twin Litton LN-15S inertial systems, Texas Instruments APQ-146 terrain-following radar, GE APQ- 144 forward-looking radar, Hughes forward-looking infra-red and Dalmo Victor low-light-level television. Controlling these are a pair of interchangeable and redundant Singer-Kearfott SKG2070 general-purpose computers, one normally for navi gation and the other for weapon delivery. Proposed for the B-1 is the Westinghouse electronically agile radar (Ear), which can change beam shape and position instantaneously. Operators: USA 241 originally planned. T-2 Buckeye Standard version of this twin-jet, general- purpose trainer is the T-2C used by the US Navy for carrier indoctrination. Production began in 1968 and 232 were de livered to Naval Air Training Command, supplementing 97 earlier T-2Bs. Different avionics and the deletion of carrier- landing equipment are features of the T-2D bought by Venezuela. Greek T-2Es also have different avionics and an accessory attack kit which provides six underwing pylons (capacity 3,5001b) and protected fuel tanks. Operators: Greece 40 E; USA 232 C; Venezuela 12 D, plus 12 D with accessory attack kit. OV-10 Bronco Original winner of Light Armed Reconnais sance Airplane competition. OV-10A was for USMC and USAF; OV-10B basically similar and used by West Germany for target towing; OV-IOB(Z) with auxiliary GE J85-4 turbojet used for target towing in Germany; OV-10C version of A for
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