# NTSB ANC27LA004: Gippsland GA-8, N721AV, Waimea, HI, October 30, 2026

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Class 3 · Limited · Investigation open
- Date: October 30, 2026, 08:55 local (18:55 UTC)
- Place: Waimea, HI
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Defining event: [Enroute: Loss of engine power (total)](https://openairdocs.org/ntsb-events/341)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor, 3 uninjured
- Status: Investigation ongoing
- Investigation class: Class 3
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 204093
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC27LA004
- Latest NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/204093/pdf
- Page: https://openairdocs.org/ntsb/ANC27LA004

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Enroute: Loss of engine power (total)](https://openairdocs.org/ntsb-events/341) (defining event); cases with it: [Gippsland GA-8, 1 case](https://openairdocs.org/ntsb-events/341/sequence.md?model=3900102), [All aircraft, 3,824 cases](https://openairdocs.org/ntsb-events/341/sequence.md)

## Aircraft

- Registration: [N721AV](https://openairdocs.org/aircraft/N721AV), registered now, S/N GA8-07-121, built 2007 (OpenAirDocs)
- Reported make and model: GIPPSLAND GA-8
- Registry model: [Gippsland GA-8](https://openairdocs.org/model/gippsland-ga-8) (registry code 3900102) (OpenAirDocs)
- Registry engine: [Lycoming IO-540-K1A5](https://openairdocs.org/engine/lycoming-io-540-k1a5) (registry code 41663, reciprocating) (OpenAirDocs)
- Flight: Part 91
- Operator: Air Ventures Hawaii LLC
- Registered owner: Air Ventures Hawaii LLC

## Weather

- Wind: 310° at 3 knots
- Observed at: 8 nm away

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.

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