# NTSB ANC88LA042: Cessna 185F, N5045R, Ophir, AK, March 10, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 10, 1988, 12:00 local (16:00 UTC)
- Place: Ophir, AK
- Location: 63.1447° N, 156.5194° W: Placed by OpenAirDocs: center of Ophir, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=63.1447&lon=-156.5194&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 30, 1989
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4996
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC88LA042
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4996/pdf
- Page: https://openairdocs.org/ntsb/ANC88LA042

## Sequence of events

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

- Loss of control - on ground/water, takeoff - roll/run
  - terrain condition - icy (contributing factor)
  - terrain condition - rough/uneven (contributing factor)
  - directional control - not maintained, pilot in command (cause)
- Nose over, takeoff - roll/run

## Analysis

DURING THE TAKEOFF ROLL FROM THE FROZEN LAKE THE PILOT LOST DIRECTIONAL CONTROL OF THE AIRCRAFT CAUSING THE AIRCRAFT TO NOSE OVER ON ITS BACK. THE PILOT STATED DURING THE TAKEOFF ROLL THE AIRCRAFT CROSSED A SNOWMACHINE TRACK CAUSING HIM TO LOSE CONTROL OF THE AIRCRAFT.

## Aircraft

- Registration: N5045R (not matched to a registry record)
- Reported make and model: CESSNA 185F
- Category: Airplane
- Serial number: 18502987
- Airframe hours: 1100
- Engines: CONTINENTAL IO-520 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Robert F. Hanson
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, October 15, 1987, 60 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 37; commercial, airline transport, flight instructor; airplane ratings: single-engine land, single-engine sea, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 10,070 total, 300 in this make and model, 6,720 as pilot in command, 200 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 270° at 10 knots, gusting 15
- Visibility: 20 statute miles
- Lowest ceiling: 4,000 ft broken
- Temperature: 19 °F, dew point 10 °F
- Altimeter: 29.00 inHg

## 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 19880310007329A](https://openairdocs.org/incident/19880310007329A), Mar 10, 1988: Cessna A185F, Ophir, AK, Substantial damage. Lost directional control on takeoff roll. Ski wheel dug into snow. Aircraft nosed over on its back.

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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