N401HH — 1969 Cessna 401B
DeregisteredChecked against FAA & NTSB records · as of Jul 18, 2026
N401HH appears in 1 NTSB accident record (most recent 2017, 2 fatalities). Registration and accident data compiled from public FAA and NTSB records as of Jul 18, 2026.
Aircraft record
Accident & incident history
The pilot's decision to attempt a low-altitude aerobatic maneuver in a non-aerobatic airplane, and his subsequent failure to maintain control of the airplane during the maneuver. Contributing to the accident was the pilot's impairment by the effects of diphenhydramine use, and his underlying mild cognitive impairment.
Registration timeline
Ownership and registration events for this airframe (the 1969 Cessna 401B).
- Feb 28, 2020deregistered — Haddock Flying Service Inc
Frequently asked
- Has N401HH been in an accident?
- Yes. N401HH appears in 1 NTSB accident record, the most recent in 2017.
- What kind of aircraft is N401HH?
- N401HH is a 1969 Cessna 401B (fixed wing multi-engine), serial number 401B0004.
- Has N401HH been in a fatal accident?
- An NTSB record for N401HH (ERA18FA004) is classified with a fatal highest injury level.
The full N401HH report
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- Full NTSB investigation narratives for all 1 record — the complete text, not just the cause line
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- Complete registration & deregistration timeline, print-ready
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