Data Quality81%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the utility / transport helicopters category.
01 / Overview
Lockheed H-51
Category
Country
Prime contractor
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
UTILITY / TRANSPORT HELICOPTERS
—
PERFORMANCE/PRICE
35
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the utility / transport helicopters category, regardless of era.
02 / Specs & Design
◎General4MOD.4
- Crew2
- Passengers6
- Primary RoleUtility / Transport Helicopter
- In ServiceYes
◈Powerplant7MOD.7
- Engine TypeTurboshaft
- Number of Engines2
- Engine Power (each)1,118 kW
- Rotor ConfigurationSingle main rotor with tail rotor
- Main Rotor Diameter15.24 m
- Main Rotor Blades4
- Anti-Torque TypeTail rotor
▣Performance8MOD.8
- Top Speed241 km/h
- Cruise Speed222 km/h
- Service Ceiling5,790 m
- Hover Ceiling (IGE)3,048 m
- Hover Ceiling (OGE)2,438 m
- Range407 km
- Rate of Climb10.67 m/s
- Endurance180
◇Dimensions & Weights7MOD.7
- Fuselage Length15.36 m
- Height4.42 m
- Rotor Disc Area182.4
- Empty Weight3,182 kg
- Max Takeoff Weight5,216 kg
- Useful Load2,034 kg
- Cabin Volume5.66
◆Armament & Mission6MOD.6
- Hardpoints0
- Weapons Payload907 kg
- Anti-Tank MissilesNo
- Air-to-Air MissilesNo
- Rocket PodsNo
- Rescue HoistNo
▤Avionics7MOD.7
⬢Survivability6MOD.6
▲Production2MOD.2
- Total Built114
- Variants1
◎Service History4MOD.4
- Retirement Year1976
- Production Start1963
- Production End1976
- Operational StatusRetired
03 / History
05 / MASS Score
UTILITY / TRANSPORT HELICOPTERS RANKING Utility / Transport Helicopters
MASS RANKINGSMASS ↗
166UTILITY / TRANSPORT HELICOPTERS1952UNITED STATES · ALL WEAPONS202PERFORMANCE/PRICE · UTILITY / TRANSPORT HELICOPTERS
ⓘ Rankings are within theUtility / Transport Helicopterscategory.
📚 Sources