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Accidents · NTSB DEN87LA086 · Preliminary: the investigation is not finished

Boeing A75L3 accident near Belgrade, Montana, April 5, 1987

On April 5, 1987, a Boeing A75L3, registered N5084N, was substantially damaged in an accident near Belgrade, Montana (Gallatin 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
April 5, 1987
Place
Belgrade, Montana · Gallatin · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Boeing A75L3 · all A75L3s on the register
Registration
N5084N · no longer on the register · serial 755714
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

THE PLT REPORT THAT HE WAS LANDING ON A 9000 X 150 FT ASPHALT RWY. THE WIND WAS NEARLY DOWN THE RWY AT 4 TO 9 KTS. IN A TELEPHONE INTERVIEW 2 DAYS AFTER THE ACCIDENT THE PLT REPORTED THAT HE WAS MAKING A 'WHEELS' LANDING. HE SAID WHEN THE MAIN GEAR WAS ABOUT 1 FT ABOVE THE RWY WHEN THE TAIL ROSE SUDDENLY AND THE ACFT FLIPPED END OVER END COMING TO REST INVERTED ON THE RWY CENTERLINE. HE SAID EXAMINATION OF THE RWY SURFACE AFTER THE ACCIDENT DID NOT REVEAL ANY SKID MARKS. HE ALSO SAID HE DID NOT ENCOUNTER ANY TURBULENCE OR X-WIND.

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: 642 hours in all; 42 in this make and model; 13 in the last 90 days; 387 as pilot in command
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: frt

The aircraft

  • Airframe total time: 3,314 hours
  • Last inspection: annual inspection; 1 hours since
  • Maximum gross weight: 2,700 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: P&W UNKNOWN (piston); 0 hours total

The flight

  • Flight plan: none
  • Runway 30, 9,000 ft by 150 ft

Weather at the time

  • Light: daylight
  • Wind: from 310° at 9 knots
  • Visibility: 30 statute miles
  • Temperature: 70°F (21°C), dew point 19°F (-7°C)
  • Altimeter: 29.00 inHg
  • Observation at 11:50 pm from BZN

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.