Grumman G-159 Gulfstream I
- CountryUnited States of America
- TypeCorporate transport and regional airliner
- PowerplantsTwo 1485kW (1990hp) RollsRoyce Dart Mk.5298X or 8E turboprops driving four blade Rotol propellers.
- PerformanceI - High speed cruise 560km/h (302kt), economical cruising speed 463km/h (250kt). Range with a 1245kg (2740lb) payload, max fuel and reserves 4087km (2206nm). C - Max cruising speed 555km/h (300kt). Range with max payload 805km (435nm).
- WeightsI - Empty equipped 9942kg (21,900lb), max takeoff 15,935kg (35,100lb). IC - Empty 10,747kg (23,639lb), max takeoff 16,300kg (36,000lb).
- DimentionsI - Wing span 23.92m (78ft 6in), length 19.43m (63ft 9in), height 6.94m (22ft 9in). Wing area 56.7m2 (610.3sq ft). IC - Same except for length 22.97m (75ft 4in), height 7.01m (23ft 0in).
- CapacityI - Flightcrew of two. Typical corporate layouts seat between 10 and 14 passengers. Commuter airliner seating for 19 or high density seating for up to 24. IC - Flightcrew of two. Seating for between 32 and 38 at three abreast.
- Production200 Gulfstream Is built when production ceased in February 1969 in favour of the jet powered Gulfstream II. Approximately 110 remain in corporate use while a further 48 are in airline service. Five Gulfstream G1C conversions performed. In 1998 two were in use as corporate transports and one as an airliner.
Grumman created the Gulfstream I turbine controlled official transport to supplant the numerous hundred war surplus cylinder twins performing such missions in the mid 1950s.
Outline work started in 1956, with first flight of the Gulfstream I model happening on August 14 1958. FAA Type affirmation was recompensed on May 21 1959 and conveyances of creation airplane emulated from that June. Prominently, the Gulfstream I was the first US twin engined corporate transport to be certificated to voyage at 30,000ft.
As the first in the Gulfstream line, the GI created the essential fuselage cross area that brings through today to the Gulfstream IV and V. Different peculiarities were the Rollsroyce Dart turboprops which gave the I great rapid journey execution and a helper power unit permitting autonomous operations from remote strips, giving force to the aerating and cooling and electrical frameworks before motor begin.
While fundamentally composed as a corporate transport, an expansive number of the standard fuselage Gulfstream Is were additionally utilized as suburbanite aerial transports, seating up to 24 travelers. Military Gulfstream Is were assembled for the US Navy (pilot preparing TC-4s) and US Coast Guard (VIP VC-4s). Generation of the standard fuselage I stopped in 1969.
In 1979, by which time Grumman's configuration rights were acquired by the recently settled Gulfstream American Corporation, Gulfstream started offering extended aerial shuttle changes of the base GI. These airplane were extended by 3.25m (10ft 8in), permitting seating for up to 38 travelers at three side by side. Known as the G-159c Gulfstream IC the first transformation flew on October 25 1979, and creation changes were conveyed from November 1980. In any case, just five were changed over.
Pictures of Grumman G-159 Gulfstream I
