# Accident 19911010045599A: Cessna 170B, Birchwood, AK, October 10, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: October 10, 1991, 18:00 local time
- Place: Birchwood, AK
- Airport: Birchwood
- Damage: Substantial damage
- Phase of flight: To Aborted (Fixed Wing)
- Operating rules: General operating rules (Part 91)
- Location: 61.4091° N, 149.1701° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=61.4091&lon=-149.1701&mi=10
- Aircraft: N4606C, a cancelled registration (https://openairdocs.org/deregistered/N4606C-2018-12-04) (OpenAirDocs)
- Registry model: Cessna 170B (registry code 2072306, https://openairdocs.org/model/cessna-170b) (OpenAirDocs)
- Registry engine: Continental C145 series (registry code 17012, https://openairdocs.org/engine/continental-c145-series) (OpenAirDocs)
- Reported make and model: CESSNA 170B
- Reported engine: LYC O340A1A
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 38 total, 38 in this make and model, 38 in the last 90 days
- NTSB investigation: [NTSB ANC92LA004](https://openairdocs.org/ntsb/ANC92LA004) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19911010045599A

## Narrative

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

BECAME AIRBORNE UNEXPECTED VEERED DUE TORQUE. ABORTED HIT RUNWAY CRABBED DUE FULL RIGHT RUDDER. NOSED OVER.

## 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 ANC92LA004](https://openairdocs.org/ntsb/ANC92LA004), Oct 11, 1991: Cessna 170B (N4606C), Chugiak, AK, substantial damage. Probable cause: THE STUDENT PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL DURING THE TAKEOFF RUN.

## Other reports on N4606C (2)

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

- [Accident 20050514011419A](https://openairdocs.org/incident/20050514011419A), May 14, 2005: Cessna 170B (N4606C), Dillingham, AK, Substantial damage. (-23) Pilot lost control while landing and ground looped.
- [Accident 19750928037939A](https://openairdocs.org/incident/19750928037939A), Sep 28, 1975: Cessna 170B (N4606C), Bethel, AK, Substantial damage. Parked acft,PA-28 N8425R,substl dmg. Gusting to 15K.

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.