The U.S. aircraft register, updated daily
Accidents · NTSB DEN90LA036 · Final report

Cessna 172N accident near Broomfield, Colorado, December 28, 1989

On December 28, 1989 at about 7:15 pm local time, a Cessna 172N, registered N75702, was substantially damaged in an accident near Broomfield, Colorado (Jefferson County 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

FAILURE OF THE PILOT TO MAINTAIN DIRECTIONAL CONTROL, WHICH RESULTED IN AN INADVERTENT GROUND SWERVE. THE SNOWBANK WAS A RELATED FACTOR.

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

What the record shows

Date
December 28, 1989 · about 7:15 pm local time
Place
Broomfield, Colorado · Jefferson County · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Cessna 172N · all 172Ns on the register
Registration
N75702 · no longer on the register · serial 17267884
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

THE PILOT RPRTD THAT DURING A LANDING THE ACFT BEGAN TO VEER TO THE RIGHT. SHE SAID SHE APPLIED OPPOSITE RUDDER, BUT THE ACFT WENT OFF THE RWY, HIT A SNOWBANK & NOSED OVER. NO PREACCIDENT PART FAILURE OR MALFUNCTION WAS FOUND.

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: 62 hours in all; 7 in this make and model; 13 in the last 90 days; 4 in the last 30 days; 29 as pilot in command
  • Medical certificate: Class 3 (valid medical--no waivers/lim.)
  • Seat: unk

The aircraft

  • Last inspection: inspection type not recorded; 0 hours since
  • Maximum gross weight: 2,300 lb
  • Seats: 4
  • Landing gear: fixed
  • Engine: Lycoming O-320-H2AD (piston); 0 hours total
  • Operator: Air West Flying Club

The flight

  • Destination: BJC
  • Flight plan: none
  • Runway 29, 9,000 ft by 100 ft

Weather at the time

  • Light: daylight
  • Wind: from 320° at 8 knots
  • Visibility: 60 statute miles
  • Sky: scat at 2,000 ft
  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)
  • Observation at 7:15 pm from BJC, 1 miles away

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.