Data Quality84%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the tactical / medium bombers category.
01 / Overview
Keystone B-6
Category
Country
Production
1931–1932
Quantity
39
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TACTICAL / MEDIUM BOMBERS · INTERWAR PERIOD
67
PERFORMANCE/PRICE
85
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the tactical / medium bombers category, regardless of era.
02 / Specs & Design
◎General5MOD.5
- Service Entry Year1931
- Crew5
- Primary RoleLight bomber
- GenerationBiplane
- In ServiceYes
◈Powerplant6MOD.6
- Engine TypeWright R-1820-1
- Engine ModelWright R-1820-1
- Number of Engines2
- AfterburnerNo
- SupercruiseNo
- Thrust VectoringNo
▣Performance4MOD.4
- Top Speed193.104 km/h
- Cruise Speed165.748 km/h
- Service Ceiling4,297.68 m
- Ferry Range1,327.884 km
◇Dimensions & Weights6MOD.6
- Length14.63 m
- Wingspan22.555 m
- Height4.572 m
- Wing Area106.374
- Empty Weight3,654.655 kg
- Loaded Weight6,055.56 kg
◆Armament7MOD.7
- Weapons Payload1,100 kg
- Internal Gun3 × .30 in (7.62 mm) Browning machine guns
- Internal Weapons BayNo
- Air-to-Air MissilesNo
- Air-to-Ground MissilesNo
- Anti-Ship MissilesNo
- Nuclear CapableNo
▤Avionics & Stealth7MOD.7
⬢Production3MOD.3
- Total Built44
- Operators1
- Variants3
▲Service History3MOD.3
- Production Start1931
- Production End1932
- Operational StatusRetired
03 / History
SERVICE LIFESPANStill in Service
- 1912Entered service
- 1931Production started
- 1932Production ended
95
years in service
1
years in production
39
units produced
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
TACTICAL / MEDIUM BOMBERS RANKING Tactical / Medium Bombers · Interwar Period
MASS RANKINGSMASS ↗
182TACTICAL / MEDIUM BOMBERS67INTERWAR PERIOD · TACTICAL / MEDIUM BOMBERS2365UNITED STATES · ALL WEAPONS31PERFORMANCE/PRICE · TACTICAL / MEDIUM BOMBERS
ⓘ Rankings are within theTactical / Medium Bomberscategory.
📚 Sources