# NTSB CHI85LA112: Cessna 172RG, N6312R, Pontiac, MI, February 16, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: February 16, 1985, 15:26 local (20:26 UTC)
- Place: Pontiac, MI
- Coordinates: 42.770084, -82.529106 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.7701&lon=-82.5291&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 case key (mKey): 13005
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI85LA112
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13005/pdf
- Page: https://openairdocs.org/ntsb/CHI85LA112

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - weather condition - crosswind (contributing factor)
  - directional control - not maintained, pilot in command (cause)
  - weather condition - gusts (contributing factor)
  - compensation for wind conditions - inadequate, pilot in command (cause)
  - lack of total experience in type operation, pilot in command (cause)
  - airport facilities,runway/landing area condition - foreign substance covered (contributing factor)
  - ground loop/swerve - uncontrolled, pilot in command (cause)
  - remedial action - not attained, pilot in command (cause)
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - snowbank (contributing factor)

## Analysis

THE ACFT SLID INTO A SNOWBANK AT THE END OF A LNDG ROLL ON AN ICY RWY WITH A X-WIND. THE PLT SAID THAT HE DID NOT USE BRAKES BECAUSE OF THE ICY CONDITION OF THE RWY. THE X-WIND WEATHERVANED THE ACFT TO THE LEFT AND INTO THE SNOW ALONGSIDE THE RWY.

## Aircraft

- Registration: [N6312R](https://openairdocs.org/deregistered/N6312R-1988-03-28), registration cancelled 1988-03-28, S/N 172RG0160 (OpenAirDocs)
- Reported make and model: CESSNA 172RG
- Registry model: [Cessna 172RG](https://openairdocs.org/model/cessna-172rg) (registry code 2072438) (OpenAirDocs)
- Category: Airplane
- Serial number: 172RG0160
- Airframe hours: 1372
- Engines: LYCOMING O-360FIAG reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Dennis Taylor
- Airworthiness certificate: Standard, Normal
- Departed: 1G5, MEDINA, OH
- Flight plan: VFR
- Airport: PTK, Pontiac, runway 27, 3,250 × 75 ft, concrete

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 46; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 442 total, 308 in this make and model, 337 as pilot in command, 7 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 200° at 11 knots
- Visibility: 5 statute miles
- Lowest ceiling: 4,500 ft overcast
- Temperature: 30 °F, dew point 19 °F
- Altimeter: 29.00 inHg
- Observed at: PTK, 1 nm away

## 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 19850216006689A](https://openairdocs.org/incident/19850216006689A), Feb 16, 1985: Cessna 172RG, Pontiac, MI, Substantial damage. Slid during crosswind rollout on icy runway. Wing struck snowbank.

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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