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Accidents · NTSB SEA83LA144 · Preliminary: the investigation is not finished

Cessna 180 accident near Salmon, Idaho, July 6, 1983

On July 6, 1983 at about 1:00 am local time, a Cessna 180, registered N7640A, was substantially damaged in an accident near Salmon, Idaho (Flying B. Ranch airport). 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
July 6, 1983 · about 1:00 am local time
Place
Salmon, Idaho · Flying B. Ranch · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Cessna 180 · all 180s on the register
Registration
N7640A · no longer on the register · serial 32537
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

THE PILOT SAID HE ENCOUNTERED A HIGH SINK RATE DURING THE APPROACH. DIRECTIONAL CONTROL WAS LOST AFTER THE PILOT FAILED TO ARREST THE SINK RATE AND MADE A HARD LANDING. THE ACFT LEFT THE RUNWAY AND COLLIDED WITH A FENCE BEFORE COMING TO REST.

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: 335 hours in all; 91 in this make and model; 17 in the last 90 days; 244 as pilot in command
  • Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 2,440 hours
  • Last inspection: annual inspection, April 4, 1983
  • Maximum gross weight: 2,550 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Continental O-470-K (piston); 0 hours total

The flight

  • Flight plan: none
  • Runway 0, 2,200 ft by 100 ft

Weather at the time

  • Light: daylight
  • Visibility: 40 statute miles
  • Sky: scat at 12,000 ft
  • Temperature: 75°F (24°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.