Data Quality84%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the tactical transports category.
01 / Overview
JRM-3 Mars
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TACTICAL TRANSPORTS · WORLD WAR II
6
PERFORMANCE/PRICE
60
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the tactical transports category, regardless of era.
02 / Specs & Design
◎General5MOD.5
- First Flight1942
- Service Entry Year1944
- Crew4
- Primary Rolelong-range transport flying boat
- In ServiceNo
◈Powerplant3MOD.3
- Engine TypeWright R3350-24WA radial piston engines
- Number of Engines4
- Power (each, turboprop)1,790 kW
▣Performance7MOD.7
- Cruise Speed354 km/h
- Top Speed450 km/h
- Service Ceiling4,500 m
- Maximum Range8,000 km
- Range with Max Payload5,600 km
- Takeoff Run1,200 m
- Unpaved / Short FieldYes
◇Cargo & Capacity4MOD.4
- Maximum Payload30,000 kg
- Cargo Hold Volume336
- Troop Capacity133
- Rear Loading RampNo
◆Aerial Refueling2MOD.2
▤Dimensions & Weights5MOD.5
- Length35.74 m
- Wingspan60.96 m
- Height11.71 m
- Empty Weight34,270 kg
- Max Takeoff Weight74,840 kg
⬢Production3MOD.3
- Total Built7
- Operators1
- Variants4
▲Service History4MOD.4
- Retirement Year1956
- Production Start1945
- Production End1948
- Operational StatusRetired
03 / History
SERVICE LIFESPANRetired
- 1945Production started
- 1948Production ended
81
years in service
3
years in production
7
units produced
0
countries operating
ⓘ 1 countries retired it.
04 / Variants
▚ WEAPON FAMILY
// SIBLING VARIANTS
06 / MASS Score
TACTICAL TRANSPORTS RANKING Tactical Transports · World War II
MASS RANKINGSMASS ↗
120TACTICAL TRANSPORTS6WORLD WAR II · TACTICAL TRANSPORTS1268UNITED STATES · ALL WEAPONS180PERFORMANCE/PRICE · TACTICAL TRANSPORTS
ⓘ Rankings are within theTactical Transportscategory.
📖 TERMS ON THIS PAGE2terms
Aerial tanker: military aircraft equipped to refuel other aircraft in flight using a system of hoses or booms.
Ability to take off and land on unpaved or short runways.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources