Data Quality88%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the tactical / medium bombers category.
01 / Overview
Wellington B Mk II
Category
Country
Production
1936–1945
Quantity
401
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TACTICAL / MEDIUM BOMBERS · INTERWAR PERIOD
15
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
- First Flight1936
- Service Entry Year1938
- Crew6
- Primary Rolemedium bomber
- In ServiceNo
◈Powerplant3MOD.3
- Engine Typeliquid-cooled piston
- Engine ModelRolls-Royce Merlin X
- Number of Engines2
▣Performance3MOD.3
- Top Speed435 km/h
- Cruise Speed320 km/h
- Service Ceiling6,100 m
◇Dimensions & Weights5MOD.5
- Length18.59 m
- Wingspan23.72 m
- Height6.55 m
- Empty Weight9,100 kg
- Max Takeoff Weight15,000 kg
◆Armament2MOD.2
- Weapons Payload4,500 kg
- Internal Weapons BayYes
▤Production1MOD.1
- Total Built11,461
⬢Service History3MOD.3
- Retirement Year1953
- Production Start1936
- Production End1945
03 / History
SERVICE LIFESPANRetired
- 1936Production started
- 1937Entered service
- 1939First deployment: World War II
- 1945Production ended
90
years in service
9
years in production
401
units produced
0
countries operating
ⓘ The producing country no longer actively operates it. 11 countries retired it.
04 / Variants
▚ WEAPON FAMILY
05 / Operators
Operator Countries11country
06 / MASS Score
TACTICAL / MEDIUM BOMBERS RANKING Tactical / Medium Bombers · Interwar Period
MASS RANKINGSMASS ↗
63TACTICAL / MEDIUM BOMBERS15INTERWAR PERIOD · TACTICAL / MEDIUM BOMBERS367UNITED KINGDOM · ALL WEAPONS31PERFORMANCE/PRICE · TACTICAL / MEDIUM BOMBERS
ⓘ Rankings are within theTactical / Medium Bomberscategory.
📖 TERMS ON THIS PAGE1terms
An internal compartment within a military aircraft designed to store and deploy weapons, reducing radar cross-section and aerodynamic drag.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources