# NTSB LAX82DA095: Cessna 172N, N734GH, Mammoth, AZ, March 7, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: March 6, 1982, 16:06 local (Mar 7, 1982, 00:06 UTC)
- Place: Mammoth, AZ
- Coordinates: 32.680461, -110.620025 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=32.6805&lon=-110.6200&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 6, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 71554
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX82DA095
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/71554/pdf
- Page: https://openairdocs.org/ntsb/LAX82DA095

## Sequence of events

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

- Loss of engine power, descent - normal
  - reason for occurrence undetermined (cause)
- Forced landing, landing - flare/touchdown
- In flight collision with terrain/water, landing - flare/touchdown

## Analysis

THE PILOT WAS ON A SOLO CROSS-COUNTRY FLIGHT IN PREPARATION FOR HIS COMMERCIAL PILOT CERTIFICATE.  HE HAD BEGUN A DESCENT FROM 10,500 FT FOR LANDING AT HIS DESTINATION AIRPORT WHEN THE ENGINE QUIT. ATTEMPTS TO RESTART THE ENGINE WERE UNSUCCESSFUL AND A FORCED LANDING WAS MADE ON A HIGHWAY.

## Aircraft

- Registration: [N734GH](https://openairdocs.org/deregistered/N734GH-2013-07-08), registration cancelled 2013-07-08, S/N 17268839, built 1977 (OpenAirDocs)
- Reported make and model: CESSNA 172N
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (registry code 2072434) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 68839
- Engines: LYCOMING O-320-H2AD 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: James G. Liston
- Registered owner: James F. Hatfield
- Departed: DEMING, NM
- Destination: CASA GRANDE, AZ
- Flight plan: VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 18; private; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; flight hours: 181 total, 54 in this make and model, 154 as pilot in command

## Weather

- Conditions: Day
- Wind: calm

## 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 19820306002459A](https://openairdocs.org/incident/19820306002459A), Mar 6, 1982: Cessna 172N, Mammoth, AZ, Substantial damage. Pilot reported engine lost power en route, landed on a highway. No further information.

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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