N4644Y — 1971 Piper PA-18-150
Active registrationChecked against FAA & NTSB records · as of Jul 24, 2026
N4644Y appears in 1 NTSB accident record (most recent 2025, no injuries). Registration and accident data compiled from public FAA and NTSB records as of Jul 24, 2026.
Aircraft record
- Serial number
- 18-8945
- Manufacturer
- Piper
- Model
- PA-18-150
- Year
- 1971
- Category
- Fixed wing single-engine
- Engine
- Lycoming 0-320 Series
- Registration
- Active
- Registered to
- State Of Montana — Helena, MT
Accident & incident history
The pilot's failure to maintain directional control during takeoff, which resulted in an impact with deep snow and vegetation.
Registration timeline
Ownership and registration events for this airframe (the 1971 Piper PA-18-150).
- Jan 20, 2006registered — State Of Montana
Frequently asked
- Has N4644Y been in an accident?
- Yes. N4644Y appears in 1 NTSB accident record, the most recent in 2025.
- What kind of aircraft is N4644Y?
- N4644Y is a 1971 Piper PA-18-150 (fixed wing single-engine), serial number 18-8945.
- Who is N4644Y registered to?
- N4644Y is registered to State Of Montana of Helena, MT. Registration status: active.
The full N4644Y report
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- Full NTSB investigation narratives for all 1 record — 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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