| Specifications |
| Primary Function | Air refueling for special operations forces helicopters |
| Builder | Lockheed Aircraft Corp. |
| Power Plant | Four Allison T56-A-15 turboprop engines |
| Thrust | 4,910 shaft horsepower each engine |
| Length | 98 feet, 9 inches (30.09 meters) |
| Height | 38 feet, 6 inches (11.7 meters) |
| Maximum Takeoff Weight | 155,000 pounds (69,750 kilograms) |
| Wingspan | 132 feet, 7 inches (40.4 meters) |
| Speed | 289 miles per hour (464 kilometers per hour) at sea level |
| Ceiling | 33,000 feet (10,000 meters) |
| Range | Beyond 4,000 miles (3,478 nautical miles) |
| Crew | Four officers (pilot, co-pilot, primary navigator, secondary navigator), and
four enlisted (flight engineer, communications systems operator and two loadmasters) |
| Unit Cost | $16.5 million (1992 dollars) |
| Date Deployed | 1986 |
| Inventory | Active force, 23; ANG, 0; Reserve, 5 |