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Fokker D.XXI
Photo: Stahlkocher · Wikimedia Commons · CC BY-SA 3.0
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FokkerD.XXI

Air Superiority Fighters · 1936
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FokkerD.XXI

Fokker D.XXI
Fokker D.XXI Photo: Stahlkocher · Wikimedia Commons · CC BY-SA 3.0
* Absolute score — assessed within category · no era adjustment
Air-to-Air Lethality
40
Agility
55
Speed
35
Radar & Avionics
10
Range
45
Stealth
5
Survivability
50
Reliability
80
Technology
30
Cost-Effectiveness
85
ManufacturerValtion lentokonetehdas
CategoryAir Superiority Fighters
EraInterwar Period
In service1936–1948
Operators5 countries
Quantity148
Data Quality88%
MASS(Military Archive Scoring System)
39
Air Superiority Fighters MASS Rating
16/196
Interwar Period
244/832
All-Time
Air Superiority Fighters · 10 axes scored
Air-to-Air Lethality
40
Agility
55
Speed
35
Radar & Avionics
10
Range
45
Stealth
5
Survivability
50
Reliability
80
Technology
30
Cost-Effectiveness
85
ⓘ Regardless of era, the same scoring system applies to all units in the air superiority fighters category.
01 / Overview
Fokker D.XXI
Prime contractor
Production
1936–1948
Quantity
148
Operators
Conflicts
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
AIR SUPERIORITY FIGHTERS · INTERWAR PERIOD
16
PERFORMANCE/PRICE
90
UNIT COST (2025 USD)
—
39
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
◎General6MOD.6
  • First Flight1936
  • Service Entry Year1938
  • Crew1
  • Primary RoleFighter aircraft
  • Generation3
  • In ServiceYes
◈Powerplant8MOD.8
▣Performance9MOD.9
  • Top Speed460 km/h
  • Cruise Speed429 km/h
  • Stall Speed120 km/h
  • Service Ceiling11,350 m
  • Ferry Range930 km
  • Combat Radius475 km
  • Rate of Climb11 m/s
  • G-Limit8
  • Takeoff Run250 m
◇Dimensions & Weights7MOD.7
  • Length8.2 m
  • Wingspan11 m
  • Height2.9 m
  • Wing Area16.2
  • Empty Weight1,250 kg
  • Loaded Weight1,970 kg
  • Max Takeoff Weight1,850 kg
◆Armament8MOD.8
⬢Production3MOD.3
  • Total Built148
  • Operators4
  • Variants5
▲Service History4MOD.4
  • Retirement Year1948
  • Production Start1936
  • Production End1948
  • Operational StatusRetired
03 / History
SERVICE LIFESPANStill in Service
  1. 1936Production started
  2. 1937Sale: Finland (7 units)
  3. 1939First deployment: Winter War
  4. 1948Production ended
90
years in service
12
years in production
148
units produced
5
countries operating
04 / Conflicts
FOKKER D.XXI · CONFLICTS SERVED IN0% win·100% loss
Total Conflicts
1
Victories
0
Ongoing
0
Losses
1
ⓘ Shown only from conflicts recorded in our database.
05 / Operators
Operator Inventory3country · 111units
111active
Fokker D.XXISALES2records
YearBuyerQuantityAmountPresent Value (2025)
1937Finland7——
1937Denmark3——
ⓘ "Present Value" is an estimated amount adjusted for inflation.
📚 Sources
📖 ENCYCLOPEDIA Browse the Air Superiority Fighters entry →