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Accidents · NTSB ANC92LA059 · Final report

Stinson 108-1 accident near Mccarthy, Alaska, April 8, 1992

On April 8, 1992, a Stinson 108-1, registered N97421, was substantially damaged in an accident near Mccarthy, Alaska (Mccarthy Nr2 airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

THE PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL OF THE AIRPLANE. CONTRIBUTING TO THE ACCIDENT WERE THE SNOW BERM AND THE PILOT'S LACK OF TOTAL EXPERIENCE IN THE TYPE OF OPERATION (SKI EQUIPPED AIRPLANES).

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

What the record shows

Date
April 8, 1992
Place
Mccarthy, Alaska · Mccarthy Nr2 · map
Type
Accident
Injuries
No one was hurt; 2 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Stinson 108-1 · all 108-1s on the register
Registration
N97421 · registry record · serial 108-421
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

JUST AFTER TOUCHDOWN ON THE PLOWED HALF OF THE RUNWAY THE RIGHT SKI CONTACTED THE EDGE OF THE SNOW BERM, CAUSING THE AIRPLANE TO GROUND LOOP. THE PILOT STATED THAT IN RETROSPECT SHE SHOULD HAVE LANDED ON THE UNPLOWED HALF OF THE RUNWAY.

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

  • Flight time: 170 hours in all; 56 in this make and model; 5 in the last 90 days; 4 in the last 30 days; 112 as pilot in command
  • Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 1,741 hours
  • Last inspection: annual inspection, October 15, 1991
  • Maximum gross weight: 2,150 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Franklin 6A4-150-B3 (piston); 0 hours total

The flight

  • Departed from: GKN Gulkana AK at 6:48 pm
  • Flight plan: none
  • Runway 1, 3,400 ft by 44 ft

Weather at the time

  • Light: daylight
  • Wind: from 360° at 3 knots
  • Visibility: 60 statute miles
  • Sky: clear
  • Temperature: 18°F (-8°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1
Passengers1

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.