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Fokker D.XI
Photo: Collectie Van Beek · Wikimedia Commons · CC BY-SA 4.0
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FokkerD.XI

Air Superiority Fighters · 1923
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FokkerD.XI

Fokker D.XI
Fokker D.XI Photo: Collectie Van Beek · Wikimedia Commons · CC BY-SA 4.0
* Absolute score — assessed within category · no era adjustment
Air-to-Air Lethality
30
Agility
45
Speed
35
Radar & Avionics
0
Range
40
Stealth
0
Survivability
30
Reliability
60
Technology
20
Cost-Effectiveness
75
CategoryAir Superiority Fighters
In service1923
Operators9 countries
Quantity117
Data Quality88%
MASS(Military Archive Scoring System)
29
Air Superiority Fighters MASS Rating
506/832
All-Time
Air Superiority Fighters · 10 axes scored
Air-to-Air Lethality
30
Agility
45
Speed
35
Radar & Avionics
0
Range
40
Stealth
0
Survivability
30
Reliability
60
Technology
20
Cost-Effectiveness
75
ⓘ Regardless of era, the same scoring system applies to all units in the air superiority fighters category.
01 / Overview
Fokker D.XI
Production
1923–
Quantity
117
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
AIR SUPERIORITY FIGHTERS
—
PERFORMANCE/PRICE
70
UNIT COST (2025 USD)
—
29
air superiority fighters category
ⓘ Performance/Price and MASS score are computed across all units in the air superiority fighters category, regardless of era.
02 / Specs & Design
◎General4MOD.4
  • First Flight1923
  • Crew1
  • Primary Rolesingle-seat fighter
  • In ServiceNo
◈Powerplant3MOD.3
  • Engine TypeHispano-Suiza 8 Fb 8-cylinder Vee piston engine
  • Engine ModelHispano-Suiza 8
  • Number of Engines1
▣Performance3MOD.3
  • Top Speed225 km/h
  • Service Ceiling7,000 m
  • Ferry Range440 km
◇Dimensions & Weights7MOD.7
  • Length7.5 m
  • Wingspan11.67 m
  • Height3.2 m
  • Wing Area21.8
  • Empty Weight865 kg
  • Loaded Weight1,250 kg
  • Max Takeoff Weight1,250 kg
◆Armament1MOD.1
  • Internal Gun2 × 0.303 in (7.7 mm) machine guns
▤Production2MOD.2
  • Total Built117
  • Operators6
⬢Service History1MOD.1
  • Operational Statusretired
03 / History
SERVICE LIFESPANStill in Service
  1. 1923Production started
  2. 1925Sale: Romania (50 units)
103
years in service
117
units produced
4
countries operating
ⓘ 5 countries retired it.
04 / Operators
Operator Inventory2country · 51units
51active
Fokker D.XISALES1records
YearBuyerQuantityAmountPresent Value (2025)
1925Romania50——
ⓘ "Present Value" is an estimated amount adjusted for inflation.
05 / MASS Score
MASS RANKINGSMASS ↗
ⓘ Rankings are within theAir Superiority Fighterscategory.
📚 Sources
📖 ENCYCLOPEDIA Browse the Air Superiority Fighters entry →