# Accident 20030707037119A: Helio H391B, Big Lake, AK, July 7, 2003

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 7, 2003, 15:09 local time
- Place: Big Lake, AK
- Damage: Substantial damage
- Phase of flight: To Init Climb(1st Pwr Reduct)
- Operating rules: General operating rules (Part 91)
- Location: 61.5333° N, 149.8167° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=61.5333&lon=-149.8167&mi=10
- Aircraft: N17081 (not matched to a registry record)
- Reported make and model: HELIO H391B
- Reported engine: LYC GO435
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 1,100 total, 240 in this make and model, 20 in the last 90 days
- NTSB investigation: [NTSB ANC03LA070](https://openairdocs.org/ntsb/ANC03LA070) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20030707037119A

## Narrative

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

(-23) PILOT STATED THAT THE AIRCRAFT SEEMED SLUGGISH ON TAKE OFF, AND AT ABOUT FIFTY FEET HE NOTICED A LOSS IN MANIFOLD PRESSURE. A GRADUAL LEFT TURN WAS MADE TO AVOID A CABIN. THE AIRCRAFT STRUCK TALL BIRCH TREES AND CAME TO REST NOSE DOWN. THE PILOT AND SON ESCAPED UNINJURED.

## 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 ANC03LA070](https://openairdocs.org/ntsb/ANC03LA070), Jul 7, 2003: Helio H-391B (N17081), Big Lake, AK, substantial damage. Probable cause: A loss of engine power for an undetermined reason during takeoff initial climb, which resulted in an in-flight collision with trees.

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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