N172SM — 1950 Hiller UH-12B
Active registrationChecked against FAA & NTSB records · as of Jul 22, 2026
N172SM has no NTSB accident records on file. Registration data compiled from public FAA records as of Jul 22, 2026.
Aircraft record
- Serial number
- 317
- Manufacturer
- Hiller
- Model
- UH-12B
- Year
- 1950
- Category
- Rotorcraft
- Engine
- Franklin 6v4 Series
- Registration
- Active
- Registered to
- Sedeyn Thomas Sr — Salem, NJ
Accident & incident history
No NTSB accident records on file.
Registration timeline
Ownership and registration events for this airframe (the 1950 Hiller UH-12B).
- Oct 16, 2024registered — Sedeyn Thomas Sr
Frequently asked
- Has N172SM been in an accident?
- No NTSB accident records are on file for N172SM.
- What kind of aircraft is N172SM?
- N172SM is a 1950 Hiller UH-12B (rotorcraft), serial number 317.
- Who is N172SM registered to?
- N172SM is registered to Sedeyn Thomas Sr of Salem, NJ. Registration status: active.
The full N172SM 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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