Interstate S-1A
FAA model code1850202
Interstate S-1A: Fixed wing single engine, with 66 aircraft on the US register, built between 1941 and 1942.
- 66
- On the US register
- 1
- Engines
- 2
- Seats
- 77mph
- Cruise speed
- Manufacturer
- Interstate
- Class
- Fixed wing single engine
- Engine type
- Reciprocating
- Operates from
- Land
- Weight class
- Up to 12,499 lb
- Build years on the register
- 1941–1942
Aircraft on the register by year built
More registered Interstate S-1A aircraft were built in 1941 than in any other year: 41.
Source: FAA Releasable Aircraft Registry, retrieved 2026-09-22. Counts are Voydar's tally of current registrations. Aircraft still registered today, by year of manufacture; not production totals.
Where they are registered
US states with the most registrations of this type. The state is the registration address, a count only.
- CA8
- ND6
- OH5
- OR5
- TX5
- WA5
- AK3
- CO2
- ID2
- KS2
- MN2
- NE2
Source: FAA Releasable Aircraft Registry, retrieved 2026-09-22. Counts are Voydar's tally of current registrations.
Accident record
8 NTSB records match an aircraft of this type that is on the register today (66 registered). This is not an accident rate: it leaves out aircraft no longer registered and says nothing about hours flown.
Source: National Transportation Safety Board aviation accident database. Counts only; Voydar holds no names.
Other Interstate models
All Interstate modelsSpecifications are the FAA aircraft reference record for the model code; the FAA file carries no dimensions or performance beyond those shown. Reference data, not for flight planning.