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Accidents · NTSB DEN87FA007 · Preliminary: the investigation is not finished

Piper PA-24-250 accident near Crosby, North Dakota, October 22, 1986

On October 22, 1986 at about 7:40 pm local time, a Piper PA-24-250, registered N8271P, was destroyed in an accident near Crosby, North Dakota (Crosby Muni airport). It was a business flight under general aviation rules (Part 91). 4 people were killed. 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
October 22, 1986 · about 7:40 pm local time
Place
Crosby, North Dakota · Crosby Muni · map
Type
Accident
Injuries
4 people were killed.
Weather
visual conditions (good weather)
Aircraft
Piper PA-24-250 · all PA-24-250s on the register
Registration
N8271P · registry record · serial 24-3524
Damage
Destroyed
Flight
Business flight · general aviation rules (Part 91)

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

CROSBY MUNICIPAL ARPT WAS NOTAM'D CLOSED DUE TO RWY CONSTRUCTION AND RESURFACING. THE PLT AND PAXS WERE EMPLOYEES OF THE ENGINEERING COMPANY PARTICIPATING IN THE ARPT CONSTRUCTION. THE PLT OF N8271P HAD LANDED ON THE CLOSED RWY EARLIER IN THE DAY. THE RWY WAS OCCUPIED BY TWO 3-TON DUMP TRUCKS AND PAVING EQUIPMENT. THE PLT WAS SHOWN A GRASS STRIP THAT WAS SUITABLE FOR TAKEOFF BUT CHOSE THE PAVED RWY. THE ACFT STRUCK THE PAVING EQUIPMENT THAT WAS APPROX 1440 FT FROM THE NEW TAXIWAY USED BY N8271P TO ACCESS RWY 30. ACCORDING TO THE TAKEOFF PERFORMANCE CHARTS, A GROUND RUN OF OVER A THOUSAND FT IS NEEDED WITH OVER 1600 FEET OF DISTANCE TO CLEAR A 50 FT OBSTACLE.

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: multi-engine land; single-engine land; instrument: airplane
  • Flight time: 836 hours in all; 13 in this make and model; 20 in the last 90 days; 750 as pilot in command
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 3,444 hours
  • Last inspection: annual inspection, April 17, 1986; 43 hours since
  • Maximum gross weight: 2,900 lb
  • Seats: 4
  • Landing gear: retractable
  • Engine: Lycoming O-540-A1D5 (piston); 0 hours total

The flight

  • Destination: B1S Bismarck ND
  • Flight plan: none
  • Runway 30, 2,850 ft by 50 ft

Weather at the time

  • Light: daylight
  • Wind: from 045° at 10 knots
  • Visibility: 50 statute miles
  • Sky: clear
  • Temperature: 61°F (16°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1
Passengers3

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.