Data Quality88%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the intelligence / recon aircraft category.
01 / Overview
Stinson OY-1 Sentinel
Category
Country
Prime contractor
Production
1942–1945
Quantity
3,590
Operators
Conflicts
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
INTELLIGENCE / RECON AIRCRAFT · WORLD WAR II
22
PERFORMANCE/PRICE
87
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the intelligence / recon aircraft category, regardless of era.
02 / Specs & Design
◎General6MOD.6
- Base AirframeStinson Model 76
- Mission TypeLiaison, observation, air ambulance, cargo transport, artillery spotting, route reconnaissance, search & rescue, aerial photography, forward air control, communication wire laying, pesticide spraying, para-cargo dropping, leaflet dropping, aerial broadcasting, radar tracking, rocket firing, remote television, grenade dropping, bazooka firing
- Service Entry Year1942
- Flight Crew2
- Mission Crew2
- In ServiceYes
◈Powerplant2MOD.2
- Engine TypeLycoming O-435-1 (185 hp)
- Number of Engines1
▣Performance5MOD.5
- Cruise Speed190 km/h
- Service Ceiling15,240 m
- Range676 km
- Endurance4
- On-Station Time4
◇Mission Systems9MOD.9
- Primary Sensor / RadarK-20 aerial camera (L-5C variant)
- AESA RadarNo
- Rotodome / AEW AntennaNo
- Operator Consoles2
- SIGINT / ELINT SuiteNo
- Magnetic Anomaly DetectorNo
- Sonobuoy CapabilityNo
- Tactical DatalinkNo
- Self-Protection SuiteNo
◆Armament (ASW/Strike)3MOD.3
- TorpedoesNo
- Anti-Ship MissilesNo
- Weapons Payload0 kg
▤Dimensions3MOD.3
- Length7.34 m
- Wingspan10.36 m
- Max Takeoff Weight975 kg
⬢Production2MOD.2
- Total Built288
- Operators20
▲Service History4MOD.4
- Retirement Year1962
- Production Start1942
- Production End1945
- Operational StatusRetired
03 / History
SERVICE LIFESPANRetired
- 1939First deployment: World War II
- 1942Production started
- 1945Production ended
84
years in service
3
years in production
3,590
units produced
0
countries operating
ⓘ 14 countries retired it.
04 / Conflicts
STINSON OY-1 SENTINEL · CONFLICTS SERVED IN0% win
Total Conflicts
1
Victories
0
Ongoing
0
Losses
0
ⓘ Shown only from conflicts recorded in our database.
05 / Variants
▚ WEAPON FAMILY
Stinson OY-1 Sentinel 06 / Operators
Operator Countries14country
07 / MASS Score
INTELLIGENCE / RECON AIRCRAFT RANKING Intelligence / Recon Aircraft · World War II
MASS RANKINGSMASS ↗
155INTELLIGENCE / RECON AIRCRAFT22WORLD WAR II · INTELLIGENCE / RECON AIRCRAFT2451UNITED STATES · ALL WEAPONS14PERFORMANCE/PRICE · INTELLIGENCE / RECON AIRCRAFT
ⓘ Rankings are within theIntelligence / Recon Aircraftcategory.
📚 Sources