N10721 — 1933 Sioux COUPE 90-B
Active registrationChecked against FAA & NTSB records · as of Jul 24, 2026
N10721 has no NTSB accident records on file. Registration data compiled from public FAA records as of Jul 24, 2026.
Aircraft record
- Serial number
- 401
- Manufacturer
- Sioux
- Model
- COUPE 90-B
- Year
- 1933
- Category
- Fixed wing single-engine
- Engine
- Warner Ss40&50
- Registration
- Active
- Registered to
- Antique Preservation Association Of Greenfield — Greenfield, IA
Accident & incident history
No NTSB accident records on file.
Registration timeline
Ownership and registration events for this airframe (the 1933 Sioux COUPE 90-B).
- Jan 9, 2007registered — Antique Preservation Association Of Greenfield
Frequently asked
- Has N10721 been in an accident?
- No NTSB accident records are on file for N10721.
- What kind of aircraft is N10721?
- N10721 is a 1933 Sioux COUPE 90-B (fixed wing single-engine), serial number 401.
- Who is N10721 registered to?
- N10721 is registered to Antique Preservation Association Of Greenfield of Greenfield, IA. Registration status: active.
The full N10721 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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