N121SD
Monnett SONERAI-IIB
Fixed-wing, single engine · serial 2-2B
Valid registration
Registered with the FAA until May 31, 2033.
Registered owner
Doiron Stephen R
- Owner type
- Individual
- Location
- New Braunfels, TX
Registered to an individual. The FAA lists people last name first. We show the city and state only; the full mailing address is in the FAA's own record.
Aircraft
- Make and model
- Monnett SONERAI-IIB
- Year built
- —
- Serial number
- 2-2B
- Type
- Fixed-wing, single engine · Land
- Engines
- 1 × Piston · Volkswagen CONVERSION · 36 hp
- Seats
- 2
- Weight class
- Up to 12,499 lb
- Certification
- Amateur-built or kit (not type certificated) · Experimental airworthiness (issued Feb 26, 1980)
- Mode S code
- A058FD (the transponder's ICAO address, used by ADS-B flight trackers)
- Registered since
- May 29, 2026 · last FAA action May 29, 2026
Past registrations of N121SD
N-numbers are reused. Each line is an earlier registration, ending on the date the FAA canceled it.
- Jan 11, 2018 1988 Sawyer Steve M GOLDWING · serial 121 Sawyer Steve M · Lincoln, CA