Boeing CH-47SD Chinook

Type (Muster)
Heavylift military transport helicopter (Militärischer Schwerlasthubschrauber)

Country (Land)
USA

Manufacturer (Hersteller)
Boeing (Helicopters)
PO Box 16858
Philadelphia, PA 19142
USA

Phone: 001-610/591-2956
Fax: 001-610/591-2701

General (Allgemeine Angaben)
Crew (Besatzung): 2-3
Troops (Soldaten): 37 as standard, up to 55 maximum, or up to 24 litters (Tragbahren)
External load capacity (Außenlast): 12700 kg maximum on center cargo hook or 9072 kg each on forward and aft cargo hooks

Power plant (Antrieb): 2 x AlliedSignal T55-L-714A turboshafts
Maximum power per engine (max. Leistung): 3529 KW (4733 shp) installed, or 3039 kW (4075 shp) max. continuous. Transmission rated at 5617 kW for both engines.

Dimensions (Abmessungen)
Fuselage length (Rumpfänge): 15,84 m
Width over landing gear (Breite über Fahrwerk): 3,58 m
Total length, rotors turning (Länge über alles): 30,09 m
Height to top of aft hub (Höhe): 5,66 m
Rotor diameter (Rotordurchmesser): 18,29 m each
Distance between rotor centres (Abstand zwischen den Rotornaben): 11.85 m
Rotor area (Rotorkreisfläche): 525,3 sq m

Cabin length (Kabinenlänge): 9,14 m
Cabin width (Kabinenbreite): 2,26 m
Max. cabin height (Kabinenhöhe): 1,95 m
Floor area (Fläche): 21 sq m

Weights (Massen)
Empty weight (Leermasse): 11550 kg
Max. external load (max. Außenlast): 12700 kg
Useful load (max. Zuladung): 12944 kg
Max. fuel (max. Kraftstoff): 7828 litres (2068 gal)
Max. take-off weigth (Max. Startmasse): 24493 kg

Performance (Flugleistungen)
Max. speed (max. Fluggeschwindigkeit): 287 km/h (155 kts)
Max. cruise speed (max. Reisegeschwindigkeit): 259 km/h (140 kts) at sea level at a 50000 lbs mission weight
Service ceiling (Dienstgipfelhöhe): 3383 m (11100 ft)
Rate of climb (Steigrate): 9,38 m/s
Hover ceiling
   - IGE (Schwebeflughöhe im Bodeneffekt): 2837 m (9307 ft)
   - IGE: 2182 m (7158 ft) at ISA + 20 deg C
   - OGE (Schwebeflughöhe ohne Bodeneffekt): 1675 m (5492 ft)
   - OGE: 1004 m (3294 ft) at ISA + 20 deg C
Range (Reichweite): 1208 km at sea level
Endurance at sea level, standard tanks (Einsatzdauer):

Customers (Kunden)
By the time of the first flight, there were six orders from an "unnamed" customer (believed to be Singapore).

Remarks (Bemerkungen)
The CH-47SD ist the latest and most adavanced model in the Chinook family. It features several new or improved components and systems to enhance capabilities and reduce operating and support costs. Among them are:

fully integrated glass cockpit with colour displays and digital map
more powerful and economical engines with FADEC (full authority digital engine control)
long range fuel tanks with 2068 gal, doubling the operational range of the D-model
improved structures with machined parts
fuselage "tuning" that reduces the impact of vibration on the airframe and systems
longer "radar" nose from MH-47E model

The CH-47SD programme began in earnest after Boeing received a contract for six helicopters in February 1998. First flight was on August 25, 1999, at Philadelphia, with test pilots Jack Jordan and Armand Barrieault at the controls. The Super D completed basic hover and flight maneuvers before completing a successful 1.5-hour flight, followed by another flight later in the day. "The aircraft performed as advertised and met our expectations," said Jordan.
Deliveries are expected to start in the autumn of 1999.

Last updated 30 August 1999

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