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Accidents · NTSB ANC84FA131 · Preliminary: the investigation is not finished

Piper PA-22 accident near Delta Junction, Alaska, August 7, 1984

On August 7, 1984 at about 3:45 am local time, a Piper PA-22, registered N5793D, was substantially damaged in an accident near Delta Junction, Alaska. It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).

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
August 7, 1984 · about 3:45 am local time
Place
Delta Junction, Alaska · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Piper PA-22 · all PA-22s on the register
Registration
N5793D · no longer on the register · serial 22-4469
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

THE ACFT WAS DAMAGED IN AN OFF ARPT LANDING AFTER THE ENGINE LOST POWER. THE PLT STATED THE ACFT WAS OPERATING ON AUTOMOTIVE FUEL WITHOUT THE REQUIRED SUPPLEMENTAL TYPE CERTIFICATE. THE ACFT WAS OPERATING WITHOUT THE REQUIRED ANNUAL INSPECTION AND THE TBO HAD BEEN EXCEEDED BY OVER 19 PERCENT. POST ACCIDENT EXAMINATION SHOWED THAT THE #3 EXHAUST VALVE HAD BROKEN OFF AND BROKEN OUT A PART OF THE TOP OF THE PISTON.

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: student
  • Ratings: single-engine land
  • Flight time: 65 hours in all; 65 in this make and model; 10 in the last 90 days; 42 as pilot in command
  • Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 2,388 hours
  • Last inspection: annual inspection, July 27, 1983
  • Maximum gross weight: 2,000 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Lycoming O-320 (piston); 0 hours total

The flight

  • Departed from: 25AK Delta Junction AK
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: not reported
  • Sky: 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.