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Consolidated RY-1 Liberator Express
Photo: Brock F J (Fg Off), Royal Air Force official photographer · Wikimedia Commons · Public domain
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ConsolidatedRY-1LiberatorExpress

Utility / Transport Helicopters · United States · 1942
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ConsolidatedRY-1LiberatorExpress

Consolidated RY-1 Liberator Express
Consolidated RY-1 Liberator Express Photo: Brock F J (Fg Off), Royal Air Force official photographer · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Payload / Capacity
30
Range
40
Versatility
25
Reliability
60
Speed
35
Survivability
20
Hot-and-High Performance
30
Maintainability
50
Technology
10
Cost-Effectiveness
55
Origin United States
CategoryUtility / Transport Helicopters
EraWorld War II
In service1942–1943
Operators6 countries
Quantity287
Data Quality88%
35
Utility / Transport Helicopters MASS Rating
4/7
World War II
193/208
All-Time
Utility / Transport Helicopters · 10 axes scored
Payload / Capacity
30
Range
40
Versatility
25
Reliability
60
Speed
35
Survivability
20
Hot-and-High Performance
30
Maintainability
50
Technology
10
Cost-Effectiveness
55
ⓘ Regardless of era, the same scoring system applies to all units in the utility / transport helicopters category.
01 / Overview
Consolidated RY-1 Liberator Express
Production
1942–1943
Quantity
287
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
UTILITY / TRANSPORT HELICOPTERS · WORLD WAR II
4
PERFORMANCE/PRICE
65
UNIT COST (2025 USD)
—
35
utility / transport helicopters category
ⓘ Performance/Price and MASS score are computed across all units in the utility / transport helicopters category, regardless of era.
02 / Specs & Design
◎General6MOD.6
  • First Flight1942
  • Service Entry Year1943
  • Crew4
  • Passengers16
  • Primary RoleVIP transport
  • In ServiceNo
◈Powerplant3MOD.3
  • Engine TypePratt & Whitney R-1830 Twin Wasp radial
  • Number of Engines2
  • Engine Power (each)1,790 kW
▣Performance4MOD.4
  • Top Speed480 km/h
  • Cruise Speed420 km/h
  • Service Ceiling8,200 m
  • Range3,200 km
◇Dimensions & Weights5MOD.5
  • Fuselage Length27.3 m
  • Height4.7 m
  • Empty Weight30,000 kg
  • Max Takeoff Weight55,000 kg
  • Useful Load12,000 kg
◆Armament & Mission6MOD.6
▲Production2MOD.2
  • Total Built3
  • Variants1
◎Service History3MOD.3
  • Production Start1943
  • Production End1943
  • Operational StatusRetired
03 / History
SERVICE LIFESPANRetired
  1. 1939First deployment: World War II
  2. 1942Production started
  3. 1943Production ended
84
years in service
1
years in production
287
units produced
0
countries operating
ⓘ 6 countries retired it.
04 / Variants
▚ WEAPON FAMILY
Consolidated RY-1 Liberator Express 1942
// SIBLING VARIANTS
05 / Operators
📚 Sources
📖 ENCYCLOPEDIA Browse the Utility / Transport Helicopters entry →