| |
| GENERAL INFORMATION: |
|
|
| Description |
Twin-turbine, tandem-rotor, heavy-lift, special-mission helicopter |
|
|
| Program status |
Low-rate initial production |
|
|
| Customer |
U.S. Special Operations Command (USSOCOM) |
|
|
| Operators |
160th Special Operations Aviation Regiment (SOAR) (A), Fort Campbell, Kentucky.
160th SOAR, Savannah, Georgia.
1/245th Aviation (SO) (A) Oklahoma Army National Guard (OKARNG), Lexington, Oklahoma. |
|
|
| Missions |
Long-range, covert, infiltration / exfiltration of special operations forces |
|
|
|
|
|
|
| PROGRAM REQUIREMENTS: |
|
|
| Total aircraft |
26 (including 1 prototype) |
|
|
|
|
|
|
| PRODUCTION DELIVERIES: |
|
|
| Number delivered |
26 throughout May 1995 |
|
|
| Production funding |
Definitive $350 million contract completed - November 1992 |
|
|
|
|
|
|
| MILESTONES: |
|
|
|
| Program start |
December 1987 |
|
|
| Prototype 1st flight |
31 May 1990 - S/N 68-15838 |
|
|
| Prototype delivery |
10 May 1991 |
|
|
| Production 1st delivery |
September 1993 |
|
|
| ENGINES: |
|
|
|
| Manufacturer |
Textron Lycoming |
|
|
|
| Model |
Two T55-L-714 |
|
|
|
| Max SHP (kw) |
4,867 |
(3,629) |
|
|
|
| Continuous SHP (kw) |
4,168 |
(3,108) |
|
|
|
|
|
|
|
|
|
| TRANSMISSIONS: |
|
|
|
| Max SHP (kw) |
7,500 |
(5,593) |
|
|
|
|
|
|
|
|
|
| ROTOR SYSTEM: |
|
|
|
| Blades per hub |
|
3 |
|
|
|
| Construction |
|
Fiberglass, nomex composite |
|
|
|
| Speed, RPM |
|
225 |
|
|
|
| Diameter, ft (m) |
60.0 |
(18.29) |
|
|
|
| Disc area ft2 (m2) |
2,827.5 |
(262.67) |
|
|
|
| Blade folding |
|
Manual |
|
|
|
|
|
|
|
|
|
| PERFORMANCE: [at 50,000 lbs (22,680 kg)] |
|
|
|
| SL Cruise, KIAS (km/h) |
140 |
(259) |
|
|
|
| Rate of climb, fpm (m/m) |
1,841 |
(561) |
|
|
|
| Service ceiling, ft (m) |
10,150 |
(3,094) |
|
|
|
| HIGE, ft (m) |
9,800 |
(2,987) |
|
|
|
| HIGE, ISA + 20 C, ft (m) |
7,900 |
(2,408) |
|
|
|
| HOGE, ft (m) |
5,500 |
(1,676) |
|
|
|
| HOGE, ISA + 20 C, ft (m) |
3,300 |
(1,006) |
|
|
|
| Range, SL and ISA, nm (km) |
613 |
(1,136) |
|
|
|
|
|
|
|
|
|
| ACCOMMODATION: |
|
|
|
|
|
| Cockpit — crew seats |
|
2 |
|
|
|
| Cabin — troop seats, litters |
|
44 |
|
|
|
|
|
|
|
|
|
| DIMENSIONS, EXTERNAL: |
|
|
|
|
|
| Length, fuselage, ft (m) |
52.08 |
(15.87) |
|
|
|
| Length, rotors turning, ft (m) |
99.00 |
(30.18) |
|
|
|
| Distance between Center of Rotor Hub, ft (m) |
39.17 |
(11.94) |
|
|
|
| Wheel base, ft (m) |
25.83 |
(7.87) |
|
|
|
| Width, landing gear, ft (m) |
11.92 |
(3.63) |
|
|
|
| Width, fuselage, ft (m) |
15.75 |
(4.80) |
|
|
|
| Height, to top of aft hub, ft (m) |
18.33 |
(5.59) |
|
|
|
| Ground clearance, aft rotor, ft (m) |
16.08 |
(4.90) |
|
|
|
| Ground clearance, fuselage, ft (m) |
1.60 |
(0.49) |
|
|
|
|
|
|
|
|
|
| DIMENSIONS, INTERNAL: |
|
|
|
|
|
| Length, max, ft (m) |
30.50 |
(9.30) |
|
|
|
| Width, max, ft (m) |
7.50 |
(2.29) |
|
|
|
| Height, max, ft (m) |
6.50 |
(1.98) |
|
|
|
|
|
|
|
|
|
| WEIGHTS: |
|
|
|
|
|
| Max gross, lbs (kg) |
54,000 |
(24,494) |
|
|
|
| Empty, lbs (kg) |
26,918 |
(12,210) |
|
|
|
| Useful load, lbs (kg) |
27,082 |
(12,284) |
|
|
|
| Forward and aft hooks, lbs (kg) |
17,000 |
(7,711) |
|
|
|
| Center cargo hook, lbs (kg) |
26,000 |
(11,794) |
|
|
|
|
|
|
|
|
|
| FUEL CAPACITY: |
|
|
|
|
|
| Internal, standard, gals (liters) |
2,068 |
(7,828) |
|
|
|
| 3 internal aux tanks, each, gals (liters) |
800 |
(3,028) |
|
