Data Quality84%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the ground attack / cas aircraft category.
01 / Overview
Saab J 21R
Category
Country
Prime contractor
Production
1949–1952
Quantity
64
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
GROUND ATTACK / CAS AIRCRAFT · EARLY COLD WAR
23
PERFORMANCE/PRICE
75
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the ground attack / cas aircraft category, regardless of era.
02 / Specs & Design
◎General5MOD.5
- First Flight1947
- Service Entry Year1950
- Primary RoleFighter and attack aircraft
- Generationfirst-generation jet fighter-bomber
- In ServiceNo
◈Powerplant3MOD.3
- Engine Typeturbojet
- Engine Modelde Havilland Goblin II/III
- Number of Engines1
▣Production2MOD.2
- Total Built64
- Operators1
◇Service History1MOD.1
- Operational StatusRetired
03 / History
SERVICE LIFESPANStill in Service
- 1949Production started
- 1952Production ended
77
years in service
3
years in production
64
units produced
1
countries operating
ⓘ The producing country still actively operates it.
04 / Variants
▚ WEAPON FAMILY
Saab J 21R 
06 / MASS Score
GROUND ATTACK / CAS AIRCRAFT RANKING Ground Attack / CAS Aircraft · Early Cold War
MASS RANKINGSMASS ↗
168GROUND ATTACK / CAS AIRCRAFT23EARLY COLD WAR · GROUND ATTACK / CAS AIRCRAFT138SWEDEN · ALL WEAPONS137PERFORMANCE/PRICE · GROUND ATTACK / CAS AIRCRAFT
ⓘ Rankings are within theGround Attack / CAS Aircraftcategory.
📚 Sources