Lockheed Martin Company
Lockheed C-5M Galaxy
Lockheed C-5M Galaxy
| Role | Strategic airlifter |
|---|---|
| National origin | United States |
| Manufacturer | Lockheed Corporation Lockheed Martin |
| First flight | 30 June 1968 |
| Introduction | June 1970 |
| Status | In service |
| Primary user | United States Air Force |
| Produced | C-5A: 1968–1973C-5B: 1985–1989 |
| Number built | 131 (C-5A: 81, C-5B: 50) |
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History Lockheed/Martin Aircraft Company
Lockheed C-5 Galaxy
The Lockheed C-5 Galaxy is a large military transport aircraft designed and built by Lockheed, and now maintained and upgraded by its successor, Lockheed Martin. It provides the United States Air Force (USAF) with a heavy intercontinental-range strategic airlift capability, one that can carry outsized and oversized loads, including all air-certifiable cargo. The Galaxy has many similarities to the smaller Lockheed C-141 Starlifterand the later Boeing C-17 Globemaster III. The C-5 is among the largest military aircraft in the world.
The USAF has operated the C-5 since 1969. In that time, the airlifter supported US military operations in all major conflicts including Vietnam, Iraq, Yugoslavia, and Afghanistan, as well as allied support, such as Israel during the Yom Kippur War and operations in the Gulf War. The Galaxy has also distributed humanitarian aid, provided disaster relief, and supported the US space program.
Development
CX-X and Heavy Logistics System
The first C-5A Galaxy (serial number 66-8303) was rolled out of the manufacturing plant in Marietta, Georgia, on 2 March 1968. On 30 June 1968, flight testing of the C-5A began with the first flight, flown by Leo Sullivan, with the call sign "eight-three-oh-three heavy". Flight tests revealed that the aircraft exhibited a higher drag divergence Mach number than predicted by wind tunnel data. The maximum lift coefficient measured in flight with the flaps deflected 40° was higher than predicted (2.60 vs. 2.38), but was lower than predicted with the flaps deflected 25° (2.31 vs. 2.38) and with the flaps retracted (1.45 vs. 1.52).
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Photo Gallery
Lockheed/Martin Aircraft Company
Lockheed C-5 Galaxy
Lockheed/Martin Aircraft Company
Lockheed C-5 Galaxy
General characteristics
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- Crew:
- 7 typical (Aircraft Commander, First Pilot, 2 Flight Engineers, 3 Loadmasters);
- 4 minimum (pilot, copilot, two flight engineers)
- 8 when augmented (Aircraft Commander, 2 First Pilots, 2 Flight Engineers, 3 Loadmasters)[
- Capacity:
- 36 master pallets 463L, (127,459 kg)
- Length: 247 ft 1 in (75.31 m)
- Wingspan: 222 ft 9 in (67.89 m)
- Height: 65 ft 1 in (19.84 m)
- Crew:
Powerplant
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- Empty weight: (172,365 kg)
- Max takeoff weight: 840,000 lb (381,018 kg)
- Fuel capacity: 154,880 kg
51,150 US gal; 193,600 L)
- Powerplant: 4 × General Electric F138-100 turbofan engines, 51,000 lbf (230 kN) thrust each
Specifications
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- Maximum speed: (532 mph, 856 km/h)
- Maximum speed: Mach 0.79
- Cruise speed: 450 kn (520 mph, 830 km/h) / Mach 0.77
- Range: 4,800 nmi (5,500 mi, 8,900 km) with a 120,000 lb (54,431 kg) payload. 2,300 nmi (4,260 km; 2,647 mi) with maximum cargo capacity.
- Ferry range: 7,000 nmi (8,100 mi, 13,000 km) with no cargo on board.
- Service ceiling: 41,000 ft (12,000 m) at 750,000 lb (340,194 kg)
Performance
- Antonov An-124 Ruslan – Soviet/Ukrainian large military transport aircraft
- Antonov An-225 Mriya – Soviet/Ukrainian heavy strategic cargo aircraft
- Boeing C-17 Globemaster III – American four engine military transport aircraft
- Boeing 747 – American wide-body long-range commercial jet aircraft
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Links to Youtube & Others
The C-5 is a large, high-wing cargo aircraft with a distinctive high T-tail fin (vertical) stabilizer, with four TF39 turbofan engines mounted on pylons beneath wings that are swept 25°. (The C-5M uses newer GE CF6 engines.)
Lockheed/Martin Lockheed C-5M Galaxy
The first C-5A was delivered to the USAF on 17 December 1969. Wings were built up in the early 1970s at Altus AFB, Oklahoma;
Youtube Link
Following a study showing that 80% of the C-5 airframe's service life was remaining,[99] Air Mobility Command (AMC) began an aggressive program to modernize all remaining C-5Bs and C-5Cs and many of the C-5As.
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