# NTSB ANC84LA085: Cessna 170B, N2372D, Mcgrath, AK, June 4, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 4, 1984, 00:30 local (08:30 UTC)
- Place: Mcgrath, AK
- Coordinates: 63.610012, -154.779342 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=63.6100&lon=-154.7793&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4299
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC84LA085
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4299/pdf
- Page: https://openairdocs.org/ntsb/ANC84LA085

## 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
  - directional control - not maintained, pilot in command (cause)
  - lack of total experience in type of aircraft, pilot in command (contributing factor)
  - ground loop/swerve - not corrected, pilot in command (cause)
- Nose over, landing - roll

## Analysis

THE ACFT GROUND LOOPED AND NOSED OVER DURING LANDING. THE PLT HAD ONLY ABOUT 4 HRS PIC IN THIS ACFT. SHE SAID THE ACFT VEERED LEFT AND SHE STRAIGHTENED IT ONLY TO HAVE IT VEER TO THE RIGHT. ONE MAIN GEAR COLLAPSED AND THE ACFT GROUND LOOPED AFTER WHICH IT TIPPED OVER BREAKING THE WINDSHIELD.

## Aircraft

- Registration: [N2372D](https://openairdocs.org/aircraft/N2372D), registered now, S/N 20524 (OpenAirDocs)
- Reported make and model: CESSNA 170B
- Registry model: [Cessna 170B](https://openairdocs.org/model/cessna-170b) (registry code 2072306) (OpenAirDocs)
- Registry engine: [Continental C145 series](https://openairdocs.org/engine/continental-c145-series) (registry code 17012, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 20524
- Airframe hours: 3866
- Engines: CONTINENTAL C-145 145 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Dawn A. Christy
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, October 23, 1983
- Departed: MCG, MCGRATH, AK
- Airport: MCG, Mcgrath, runway 34, 5,481 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 33; student; medical: class 3, valid medical--no waivers/lim.; flight hours: 28 total, 28 in this make and model, 4 as pilot in command

## Weather

- Conditions: Visual (VMC), Dusk
- Wind: 270° at 5 knots
- Visibility: 40 statute miles
- Lowest ceiling: none
- Temperature: 52 °F, dew point 36 °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 19840604024909A](https://openairdocs.org/incident/19840604024909A), Jun 4, 1984: Cessna 170B, Mcgrath, AK, Substantial damage. Aircraft ground looped during landing roll. Pilot inexperienced.

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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