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The Hawker Siddeley Andover (HS 780) is a twin engined turboprop military transport aircraft produced by Hawker Siddeley for the Royal Air Force developed from the Avro-designed HS 748 airliner. The Andover was named after the Avro Andover, a Royal Air Force (RAF) biplane transport used for medical evacuation between the wars, and RAF Andover, where trials of the aircraft were partially carried out.

The HS Andover has good short field performance. It was expected to deliver cargo and evacuate casualties intra-theatre in a European-war scenario. The Royal Air Force ordered 31 aircraft and these were delivered as the Andover C1. Subsequent RAF types are the Andover CC.2 VIP transport and Andover E.3 electronic calibration aircraft.

Three of these RAF Andovers continue to fly, one C1 with the Empire Test Pilots' School and one C1 with the Heavy Aircraft Test Squadron of the Joint Test and Evaluation Group. The remaining aircraft is a modified C1 converted for photo-reconnaissance, the Andover C1(PR), serial number XS596. This is the UK-designated aircraft under the Treaty on Open Skies. All three are based at RAF Boscombe Down.

The Royal New Zealand Air Force operated 10 aircraft, acquired while still relatively new in 1976. These saw service with UN missions to Somalia and on the Iran-Iraq border, and in disaster relief work in the Pacific. The type was retired from service in 1998. The main difficulty with their service in New Zealand was their limited range - 1,000 nautical miles (1,900 km) of Pacific Ocean separate New Zealand from its nearest neighbours.

 
 
 
An image of the Andover taken from a popular computer flight simulator application.

 

     
32 Squadron was reborn by renaming the Metropolitan Communications Squadron.  Based at Northolt it was equipped with a variety of light transport and communications aircraft including helicopters and continues in that role to the present time.  On 1 April 1995 it was renamed No 32 (The Royal) Squadron when it took on the additional tasks previously fulfilled by the Queen's Flight, which was disbanded as a cost cutting measure
46 Squadron - Its final incarnation, so far, began on 1 December 1966 when the squadron reformed at Abingdon with Andovers in the tactical transport role. The squadron moved to Thorney Island in September 1970 and was eventually disbanded in August 1975.
52 Squadron - The disbanded squadron reformed, for the final time so far, on 1 December 1966 at Seletar in Singapore.  It was still employed on general transport duties but was now equipped with Andover aircraft , which it used until disbanding on 31 December 1969.
60 Squadron - On 3 February 1969, the RAF Germany Communications Squadron was redesignated No 60 Squadron at Wildenrath.  It was now equipped with Pembroke C Mk 1s and Heron C Mk 4s, with Andover CC Mk 2s arriving in 1971, although these were withdrawn in 1975 and as the Herons had gone in 1972, this left the squadron only operating Pembrokes.  Andovers, both C Mk 1s and CC Mk 2s, returned in 1987 and following the retirement of the Pembroke in May 1990, become the units sole types until disbanding on 1 April 1992, its aircraft being absorbed into No 32 Squadron.
84 Squadron - The British withdrawal from Aden led to a move in August 1967 when the squadron relocated to Sharjah and at the same time it converted to Andover C Mk 1s.  It moved to Muharraq in December 1970, remaining in the Persian Gulf until disbanding on 1 Oct 1971
115 Squadron was a Radar Calibration unit operating Varsities and Valettas.  Argosies began arriving in February 1968 and when the last Varsity was retired in August 1970, the unit was solely equipped with this type.  Andovers were added in November 1976 and the last Argosy left in January 1978, the Andovers continuing until disbanding at Benson on 1 October 1993, the squadron's role being sub-contracted to private contractors.
242 OCU formed by merging No's 240 and 241 OCUs on 16 April 1951.  It was responsible for training all transport crews, but relinquished the training of strategic crews in 1970 when No 241 OCU was reformed, after which it became purely the Hercules OCU.  It was disbanded by being renamed No 57 (Reserve) Squadron on 1 July 1992.
Empire Test Pilots' School (ETPS) is a training establishment based at MoD Boscombe Down in Wiltshire, England. ETPS is run as a partnership between the UK MoD and defence contractor QinetiQ, under a long term partnering agreement. They used the Hawker Siddley Andover and a variety of other fixed wing and rotary wing aircraft.

 

General characteristics
Crew: 2-3
Capacity: 44 troops or 14,000 lb (6,350 kg) of cargo
Length: 78 ft (23.77 m)
Wingspan: 98 ft 6 in (30.02 m)
Height: 30 ft 1 in (9.15 m)
Wing area: 811 ft² (75.4 m²)
Empty weight: 25,524 lb (11,577 kg)
Loaded weight: 40,000 lb (18,000 kg)
Max takeoff weight: 51,000 lb (23,100 kg)
Powerplant: 2× Rolls-Royce Dart 12 Mk 201 turboprop, 3,245 shp (2,420 kW) each
Maximum speed: 320 mph (512 km/h)
Range: 1,624 miles (2,613 km)
Service ceiling 25,000 ft (7,600 m)