# Accident 20250802011279A: Aviat Aircraft Inc A-1B, Chisana, AK, August 2, 2025

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 2, 2025, 10:42 local time
- Place: Chisana, AK
- Damage: Substantial damage
- Phase of flight: Landing: Touchdown
- Operating rules: General operating rules (Part 91)
- Location: 62.2822° N, 142.2076° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=62.2822&lon=-142.2076&mi=10
- Aircraft: N900HY, registered now (https://openairdocs.org/aircraft/N900HY) (OpenAirDocs)
- Registry model: Aviat A-1B (registry code 2210406, https://openairdocs.org/model/aviat-a-1b) (OpenAirDocs)
- Registry engine: Lycoming IO-360-A1D6 (registry code 41822, https://openairdocs.org/engine/lycoming-io-360-a1d6) (OpenAirDocs)
- Reported make and model: AVIAT AIRCRAFT INC A-1B
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Private pilot, student
- Pilot flight hours: 141 total, 65 in this make and model, 65 in the last 90 days
- NTSB investigation: [NTSB ANC25LA083](https://openairdocs.org/ntsb/ANC25LA083) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20250802011279A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

PILOT WAS SEARCHING FOR A GRAVEL BAR TO LAND ON IN A REMOTE CREEK.  UPON FINDING A SUITABLE LOCATION HE PERFORMED SEVERAL LOW-LEVEL PASSES TO ASSESS THE TERRAIN.  WHEN LANDING, THE TAILWHEEL STRUCK AN UNKNOWN OBJECT FORCING THE MAIN LANDING GEAR TO IMPACT THE GROUND.  THE IMPACT RESULTED IN A COLLAPSE OF THE MAIN LANDING GEAR AND THE PROPELLER STRIKING THE GROUND.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ANC25LA083](https://openairdocs.org/ntsb/ANC25LA083), Aug 2, 2025: Aviat A-1B (N900HY), Chisana, AK, substantial damage. Probable cause: The pilot’s failure to maintain clearance from terrain while maneuvering at low altitude.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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