# NTSB LAX86LA109: Cessna 172M, N1507V, Big Bear City, CA, February 9, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: February 9, 1986, 12:40 local (20:40 UTC)
- Place: Big Bear City, CA
- Coordinates: 34.260253, -116.840202 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.2603&lon=-116.8402&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 25066
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX86LA109
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25066/pdf
- Page: https://openairdocs.org/ntsb/LAX86LA109

## Sequence of events

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

- Loss of control - in flight, takeoff - initial climb
  - climb - not attained, pilot in command (contributing factor)
  - aircraft preflight - inadequate, pilot in command (contributing factor)
  - ice/frost removal from aircraft - not performed, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - rough/uneven (contributing factor)

## Analysis

A CESSNA 172 COLLIDED WITH A BERM AFTER AN ABORTED TAKEOFF. THE PILOT INDICATED AFTER LIFTOFF FROM THE RUNWAY, THE AIRCRAFT CLIMBED TO 100 FEET AGL AND BEGAN TO SINK. THE PILOT THEN ELECTED TO ABORT THE TAKEOFF. THE AIRCRAFT LANDED ON THE DEPARTURE END OF THE RUNWAY AND VEERED LEFT OFF THE RUNWAY AND STRUCK A BERM. A WITNESS TO THE ACCIDENT REPORTED THERE WAS SNOW AND ICE ON THE WINGS.

## Aircraft

- Registration: [N1507V](https://openairdocs.org/deregistered/N1507V-2014-09-05), registration cancelled 2014-09-05, S/N 17263635, built 1974 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17263635
- Airframe hours: 2199
- Engines: LYCOMING O-320-E2D 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Mike Ward, doing business as Aero Specialities
- Airworthiness certificate: Standard, Utility; Standard, Normal
- Last inspection: Annual, January 1, 1986, 12 hours before
- Departed: L35, BIG BEAR CITY, CA
- Airport: L35, Big Bear City, runway 7, 5,850 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 53; flight instructor, commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 1,420 total, 1,242 as pilot in command, 24 in the last 90 days, 12 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 50° at 8 knots, gusting 12
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 28 °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 19860209019709A](https://openairdocs.org/incident/19860209019709A), Feb 9, 1986: Cessna 172M, Big Bear City, CA, Substantial damage. Took off with ice and snow on the wings. Forced back down, veered off the runway side and struck a berm.

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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