Unknown Year Interstate S-1A-90F
1 aircraft with no manufacture year in FAA records
1
Active
100%
Active rate
1
States
| N-Number ↕ | Location ↕ | Status ↕ |
|---|---|---|
| N37398 | CASTLETON, NY | Active |
Showing 1 of 1 aircraft · All S-1A-90F years →
Specs
- Seats
- 2
- Engines
- 1
- Engine type
- FRANKLIN 4AC199D&E SER
- Power
- 90 hp
- Cruise speed
- 77 mph
About the Unknown Year Interstate S-1A-90F
There are 1 registered Unknown Year Interstate S-1A-90F and 6 Interstate S-1A-90F across all years in the United States. First produced in 1941. Average fleet age is 84 years.
Get S-1A-90F Market Updates
New registrations, sales activity, and fleet trends — delivered to your inbox.



