Data Quality88%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the tactical transports category.
01 / Overview
Lockheed C-121 Constellation
Category
Country
Production
1947–1958
Quantity
332
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TACTICAL TRANSPORTS · EARLY COLD WAR
29
PERFORMANCE/PRICE
80
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 Flight1947
- Service Entry Year1948
- Crew5
- Primary RoleMilitary transport
- In ServiceYes
◈Powerplant2MOD.2
- Engine TypeWright R-3350-75 Duplex-Cyclone
- Number of Engines4
▣Performance5MOD.5
- Cruise Speed517 km/h
- Top Speed537.473 km/h
- Service Ceiling7,449.922 m
- Maximum Range8,700 km
- Unpaved / Short FieldNo
◇Cargo & Capacity3MOD.3
- Maximum Payload12,000 kg
- Troop Capacity72
- Rear Loading RampNo
◆Aerial Refueling2MOD.2
▤Dimensions & Weights5MOD.5
- Length28.956 m
- Wingspan38.47 m
- Height6.706 m
- Empty Weight27,776.196 kg
- Max Takeoff Weight65,770 kg
⬢Production3MOD.3
- Total Built332
- Operators2
- Variants7
▲Service History4MOD.4
- Retirement Year1993
- Production Start1947
- Production End1958
- Operational StatusRetired from military service
03 / History
SERVICE LIFESPANStill in Service
- 1947Production started
- 1958Production ended
79
years in service
11
years in production
332
units produced
1
countries operating
ⓘ The producing country still actively operates it. 4 countries retired it.
04 / Operators
Operator Countries5country
05 / MASS Score
TACTICAL TRANSPORTS RANKING Tactical Transports · Early Cold War
MASS RANKINGSMASS ↗
113TACTICAL TRANSPORTS29EARLY COLD WAR · TACTICAL TRANSPORTS1222UNITED STATES · ALL WEAPONS122PERFORMANCE/PRICE · TACTICAL TRANSPORTS
ⓘ Rankings are within theTactical Transportscategory.
📚 Sources