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S.91
Photo: Unknown author · Wikimedia Commons · Public domain
REC // INTEL FEED

S.91

Air Superiority Fighters · France · 1927
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S.91

S.91
S.91 Photo: Unknown author · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Air-to-Air Lethality
10
Agility
25
Speed
15
Radar & Avionics
0
Range
10
Stealth
0
Survivability
20
Reliability
40
Technology
5
Cost-Effectiveness
30
Origin France
ManufacturerBlériot
CategoryAir Superiority Fighters
In service1927
Operators1 countries
Quantity3
Data Quality84%
MASS(Military Archive Scoring System)
14
Air Superiority Fighters MASS Rating
789/832
All-Time
Air Superiority Fighters · 10 axes scored
Air-to-Air Lethality
10
Agility
25
Speed
15
Radar & Avionics
0
Range
10
Stealth
0
Survivability
20
Reliability
40
Technology
5
Cost-Effectiveness
30
ⓘ Regardless of era, the same scoring system applies to all units in the air superiority fighters category.
01 / Overview
S.91
Country
Prime contractor
Production
1927–
Quantity
3
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
AIR SUPERIORITY FIGHTERS
—
PERFORMANCE/PRICE
45
UNIT COST (2025 USD)
—
14
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
◎General3MOD.3
  • First Flight1927
  • Crew1
  • Primary Rolelight-weight fighter aircraft
◈Powerplant3MOD.3
  • Engine TypeHispano-Suiza 12Hb
  • Engine ModelHispano-Suiza 12Hb
  • Number of Engines1
▣Performance3MOD.3
  • Top Speed270 km/h
  • Service Ceiling8,000 m
  • Ferry Range400 km
◇Dimensions & Weights5MOD.5
  • Length6.52 m
  • Wingspan8.65 m
  • Height2.94 m
  • Wing Area22
  • Loaded Weight1,450 kg
◆Armament1MOD.1
  • Internal Gun2x Vickers machine-guns in the forward fuselage
▤Service History1MOD.1
  • Operational Statushistorical
03 / History
SERVICE LIFESPANStill in Service
  1. 1927Production started
99
years in service
3
units produced
1
countries operating
04 / Operators
Operator Countries1country
05 / MASS Score
MASS RANKINGSMASS ↗
ⓘ Rankings are within theAir Superiority Fighterscategory.
📚 Sources
📖 ENCYCLOPEDIA Browse the Air Superiority Fighters entry →