# NTSB ANC86LA017: Cessna C-177RG, N2191Q, Big Lake, AK, December 17, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: December 17, 1985, 17:20 local (21:20 UTC)
- Place: Big Lake, AK
- Coordinates: 61.460727, -150.09082 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=61.4607&lon=-150.0908&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4629
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC86LA017
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4629/pdf
- Page: https://openairdocs.org/ntsb/ANC86LA017

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Forced landing, landing - roll
  - fuel system - undetermined (contributing factor)
  - fuel boost pump selector position - improper, pilot in command(cfi) (cause)
  - unsuitable terrain or takeoff/landing/taxi area - inadvertent, pilot in command(cfi) (cause)

## Analysis

WHILE PERFORMING SLOW FLIGHT MANEUVERS, THE STUDENT APPLIED POWER WITH NO RESPONSE. VARIOUS COMBINATIONS OF CONTROLS PRODUCED NO FURTHER RESPONSE FROM THE ENGINE. THE INSTRUCTOR AND STUDENT COMPLETED A FORCED LANDING IN A FURROWED CLEARING AT NIGHT.

## Aircraft

- Registration: [N2191Q](https://openairdocs.org/deregistered/N2191Q-1989-08-16), registration cancelled 1989-08-16, S/N 177RG0591 (OpenAirDocs)
- Reported make and model: CESSNA C-177RG
- Registry model: [Cessna 177RG](https://openairdocs.org/model/cessna-177rg) (registry code 2073709) (OpenAirDocs)
- Registry engine: [Lycoming IO-360-A1B6D](https://openairdocs.org/engine/lycoming-io-360-a1b6d) (registry code 41593, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 177RG0591
- Airframe hours: 5956
- Engines: LYCOMING IO-360-A1B6D 200 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Aero Tech Inc.
- Airworthiness certificate: Standard, Normal
- Departed: MRI, ANCHORAGE, AK
- Destination: MRI, ANCHORAGE, AK

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 32; flight instructor, commercial; airplane ratings: single-engine land, multi-engine land, single-engine sea; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: right; flight hours: 1,449 total, 94 in this make and model, 1,382 as pilot in command, 182 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Night/bright
- Wind: calm
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 30 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19851217062899A](https://openairdocs.org/incident/19851217062899A), Dec 17, 1985: Cessna 177RG, Big Lake, AK, Substantial damage. Loss of engine power after slow flight maneuvers. Landed in a field. Power loss unexplained. Boost pump not used.

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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