The U.S. aircraft register, updated daily
Accidents · NTSB LAX82DA095 · Preliminary: the investigation is not finished

Cessna 172N accident near Mammoth, Arizona, March 7, 1982

On March 7, 1982, a Cessna 172N, registered N734GH, was substantially damaged in an accident near Mammoth, Arizona. It was an instructional flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was conditions the NTSB did not record.

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
March 7, 1982
Place
Mammoth, Arizona · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
conditions the NTSB did not record
Aircraft
Cessna 172N · all 172Ns on the register
Registration
N734GH · no longer on the register · serial 68839
Damage
Substantial damage
Flight
Instructional flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

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.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

Pilot

  • Certificate: private
  • Ratings: single-engine land
  • Flight time: 181 hours in all; 54 in this make and model; 154 as pilot in command
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: unk

The aircraft

  • Last inspection: inspection type not recorded; 58 hours since
  • Maximum gross weight: 2,150 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Lycoming O-320-H2AD (piston); 0 hours total

The flight

  • Departed from: Deming NM at 3:17 pm
  • Destination: Casa Grande AZ
  • Flight plan: VFR
  • Runway 0

Weather at the time

  • Light: daylight
  • Sky: not recorded; clear
  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.