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Accidents · NTSB SEA84LA140 · Preliminary: the investigation is not finished

Cessna 172 accident near Wenatchee, Washington, June 25, 1984

On June 25, 1984 at about 2:00 am local time, a Cessna 172, registered N51785, was substantially damaged in an accident near Wenatchee, Washington. It was a personal flight under general aviation rules (Part 91). 1 person was seriously injured; 3 others were unhurt. 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
June 25, 1984 · about 2:00 am local time
Place
Wenatchee, Washington · map
Type
Accident
Injuries
1 person was seriously injured; 3 others were unhurt.
Weather
visual conditions (good weather)
Aircraft
Cessna 172 · all 172s on the register
Registration
N51785 · registry record · serial 17274345
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

THE PLT MADE A LOW PASS OVER A HERD OF ELK IN HILLY TERRAIN.HE REPORTED THAT AFTER ENCOUNTERING A DOWNDRAFT, HE DECIDED HE COULD NOT CLIMB OUT OF THE VALLEY & LANDED WITH FULL FLAPS. THE DENSITY ALT WAS APRX 5400 FT.

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: 213 hours in all; 6 in this make and model; 13 in the last 90 days; 95 as pilot in command
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 848 hours
  • Last inspection: 100-hour inspection, June 5, 1984; 38 hours since
  • Maximum gross weight: 2,300 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Lycoming O-320-D2J (piston); 0 hours total

The flight

  • Departed from: EAT Wenatchee WA at 1:30 am
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 310° at 10 knots
  • Visibility: 30 statute miles
  • Sky: scat at 7,000 ft
  • Temperature: 77°F (25°C), dew point 54°F (12°C)
  • Altimeter: 29.00 inHg
  • Observation at 1:45 am from EAT, 15 miles away

Injuries

FatalSeriousMinorNone
Crew1
Passengers12

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.