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XSO2U-1
Photo: Unknown author · Wikimedia Commons · Public domain
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XSO2U-1

Maritime Patrol & ASW Aircraft · United States · 1939
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XSO2U-1

XSO2U-1
XSO2U-1 Photo: Unknown author · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
ASW Effectiveness
20
Sensor Suite
15
Endurance
30
Range
25
Weapons Payload
10
Sonobuoy Capability
0
Search Coverage
20
Reliability
70
Technology
10
Cost-Effectiveness
85
Origin United States
ManufacturerBoeing, Sikorsky Aircraft Corporation, Vought
CategoryMaritime Patrol & ASW Aircraft
EraWorld War II
In service1939–1944
Operators1 countries
Quantity1
Data Quality84%
23
Maritime Patrol & ASW Aircraft MASS Rating
17/17
World War II
112/130
All-Time
Maritime Patrol & ASW Aircraft · 10 axes scored
ASW Effectiveness
20
Sensor Suite
15
Endurance
30
Range
25
Weapons Payload
10
Sonobuoy Capability
0
Search Coverage
20
Reliability
70
Technology
10
Cost-Effectiveness
85
ⓘ Regardless of era, the same scoring system applies to all units in the maritime patrol & asw aircraft category.
01 / Overview
XSO2U-1
Production
1939–1944
Quantity
1
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MARITIME PATROL & ASW AIRCRAFT · WORLD WAR II
17
PERFORMANCE/PRICE
76
UNIT COST (2025 USD)
—
23
maritime patrol & asw aircraft category
ⓘ Performance/Price and MASS score are computed across all units in the maritime patrol & asw aircraft category, regardless of era.
02 / Specs & Design
◎General6MOD.6
  • Base AirframeVought OS2U Kingfisher
  • Mission Typescout-observation, reconnaissance, gunnery spotting, dive bombing, anti-submarine warfare
  • Service Entry Year1939
  • Flight Crew2
  • Mission Crew1
  • In ServiceYes
◈Powerplant2MOD.2
  • Engine TypeRanger XV-770
  • Number of Engines1
▣Performance1MOD.1
  • Service Ceiling6,766.56 m
◇Mission Systems9MOD.9
◆Armament (ASW/Strike)3MOD.3
▤Dimensions3MOD.3
  • Length10.97 m
  • Wingspan11.582 m
  • Max Takeoff Weight2,551 kg
⬢Production2MOD.2
  • Total Built1
  • Operators1
▲Service History4MOD.4
  • Retirement Year1944
  • Production Start1939
  • Production End1944
  • Operational Statusretired
03 / History
SERVICE LIFESPANStill in Service
  1. 1939Production started
  2. 1944Production ended
87
years in service
5
years in production
1
units produced
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries1country
📚 Sources
📖 ENCYCLOPEDIA Browse the Maritime Patrol & ASW Aircraft entry →