N12SX — Sonex Ltd/monnett John T Jr SONEX
Active registrationChecked against FAA & NTSB records · as of Jul 25, 2026
N12SX has no NTSB accident records on file. Registration data compiled from public FAA records as of Jul 25, 2026.
Aircraft record
- Serial number
- 001
- Manufacturer
- Sonex Ltd/monnett John T Jr
- Model
- SONEX
- Category
- Fixed wing single-engine
- Engine
- Ama/expr Unknown Eng
- Registration
- Active
- Registered to
- Eaa Aviation Foundation Inc — Oshkosh, WI
Accident & incident history
No NTSB accident records on file.
Registration timeline
Ownership and registration events for this airframe (the Sonex Ltd/monnett John T Jr SONEX).
- Apr 20, 2022registered — Eaa Aviation Foundation Inc
Earlier aircraft on this N-number
The tail number N12SX was previously assigned to a different aircraft. A registration number can be reused across unrelated airframes over decades — these are not the Sonex Ltd/monnett John T Jr SONEX above.
- until unknownBell 206A (s/n 435)
Frequently asked
- Has N12SX been in an accident?
- No NTSB accident records are on file for N12SX.
- What kind of aircraft is N12SX?
- N12SX is a Sonex Ltd/monnett John T Jr SONEX (fixed wing single-engine), serial number 001.
- Who is N12SX registered to?
- N12SX is registered to Eaa Aviation Foundation Inc of Oshkosh, WI. Registration status: active.
The full N12SX report
$12 $29 launch pricing
- Full NTSB investigation narratives — the complete text, not just the cause line
- Pre-buy question list generated from this aircraft’s actual records
- Complete registration & deregistration timeline, print-ready
Instant access · no account · permanent link