# Accident 20010602029919A: Helio H391B, Anvik, AK, June 2, 2001

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 2, 2001, 09:30 local time
- Place: Anvik, AK
- Damage: Substantial damage
- Phase of flight: To Aborted (Fixed Wing)
- Operating rules: General operating rules (Part 91)
- Location: 62.8694° N, 160.7428° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=62.8694&lon=-160.7428&mi=10
- Aircraft: N25BA, a cancelled registration (https://openairdocs.org/deregistered/N25BA-2008-07-16) (OpenAirDocs)
- Registry model: Helio H-391B (registry code 4300106, https://openairdocs.org/model/helio-h-391b) (OpenAirDocs)
- Registry engine: Lycoming GO-435C&D series (registry code 41521, https://openairdocs.org/engine/lycoming-go-435c-d-series) (OpenAirDocs)
- Reported make and model: HELIO H391B
- People aboard: 1
- Fatal injuries: 0
- NTSB investigation: [NTSB ANC01LA066](https://openairdocs.org/ntsb/ANC01LA066) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20010602029919A

## Narrative

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

(-23) ON JUNE 2, 2001, AT ABOUT 0930. AIRCRAFT N25BA A FLOAT-EQUIPPED HELIO COURIER H391B SUSTAINED SUBSTANTIAL DAMAGE DURING AN ABORTED TAKEOFF FROM THE ANVIK RIVER. THE CERTIFICATED PRIVATE PILOT WAS THE SOLE OCCUPANT AND DID NOT RECEIVE INJURIES. ON JUNE 13, 2001, THE PILOT FERRIED THE AIRCRAFT TO WOLFE LAKE, WASILLA, ALASKA FOR REPAIR ESTIMATE. THE PILOT REPORTED THAT FLOATS WERE RECENTLY INSTALLED. PILOT DEPARTED FROM THE RIGHT BANK AND UP CURRENT FOR TAKE OFF. THE ANVIK RIVER WAS RUNNING ABOUT 4 KNOTS OF CURRENT. AIRCRAFT WAS VEERING TO THE LEFT AND NOTICED THAT HE DID NOT HAVE ENOUGH RIGHT WATER RUDDER CONTROL. TO AVOID THE RIVERBANK, HE PULLED HIS POWER AND THE AIRCRAFT GLIDED INTO THE EMBANKMENT. THE LEFT FLOATS ASSEMBLY RECEIVED DAMAGE AND THE RIGHT WING SLAT STRUCK A TREE. PILOT ASKED A MECHANIC IN ANVIK TO INSPECT AIRCRAFT AND DISCOVERED THAT THE WATER RUDDER CENTERING CABLES WERE MISSING. THE MECHANIC ALSO NOTICED THAT THE WRONG SPRINGS INSTALLED AND THAT THE CABLES WERE ATTACHED INCORRECTLY TO THE WATER RUDDER YOKE. ALSO, THE RUDDER STOP WAS ONE HALF INCH SHORT OF FULL STOP BLOCK, ACCORDING TO THE MECHANIC.

## 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 ANC01LA066](https://openairdocs.org/ntsb/ANC01LA066), Jun 2, 2001: Helio H-391B (N25BA), Anvik, AK, substantial damage. Probable cause: The pilot's continued operation of the accident airplane with known equipment deficiencies, and an improper installation of the float assembly by maintenance personnel. A factor in the accident was…

## Other reports on N25BA (1)

Matched to the same aircraft by N-number and date.

- [Accident 20020524011099A](https://openairdocs.org/incident/20020524011099A), May 24, 2002: Helio H391B (N25BA), Cheyenne, WY, No damage. (-23) The pilot lost control of the aircraft on the runway just prior to take off. Gusting crosswinds prevailed at the time.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.