N121U — 1947 Aero C-104
Active registrationChecked against FAA & NTSB records · as of Jul 25, 2026
N121U has no NTSB accident records on file. Registration data compiled from public FAA records as of Jul 25, 2026.
Aircraft record
- Serial number
- 215
- Manufacturer
- Aero
- Model
- C-104
- Year
- 1947
- Category
- Fixed wing single-engine
- Engine
- Superior Xp-0-360b1ac2
- Registration
- Active
- Registered to
- Schafhausen Mark G — Spokane, WA
Accident & incident history
No NTSB accident records on file.
Registration timeline
Ownership and registration events for this airframe (the 1947 Aero C-104).
- Feb 17, 1977registered — Schafhausen Mark G
Earlier aircraft on this N-number
The tail number N121U was previously assigned to a different aircraft. A registration number can be reused across unrelated airframes over decades — these are not the 1947 Aero C-104 above.
- until Nov 14, 19621959 Lockheed 188C (s/n 188C1057)
Frequently asked
- Has N121U been in an accident?
- No NTSB accident records are on file for N121U.
- What kind of aircraft is N121U?
- N121U is a 1947 Aero C-104 (fixed wing single-engine), serial number 215.
- Who is N121U registered to?
- N121U is registered to Schafhausen Mark G of Spokane, WA. Registration status: active.
The full N121U 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
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