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Accidents · NTSB DEN00LA004 · Final report

Cessna 180D accident near Denver, Colorado, October 14, 1999

On October 14, 1999 at about 4:15 pm local time, a Cessna 180D, registered N6425X, was substantially damaged in an accident near Denver, Colorado (Denver International airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The excessive taxi speed used by the pilot exiting the runway via a high-speed taxiway resulting in a loss of control. A factor was the crosswind.

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

What the record shows

Date
October 14, 1999 · about 4:15 pm local time
Place
Denver, Colorado · Denver International · map
Type
Accident
Injuries
No one was hurt; 2 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Cessna 180D · all 180Ds on the register
Registration
N6425X · registry record · serial 180-50925
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

During landing roll, the aircraft exited the runway via a high-speed taxiway and despite heavy breaking by the pilot the aircraft nosed over. Wind at the time was a direct cross wind recorded at 10 knots.

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: 240 hours in all; 87 in this make and model; 64 in the last 90 days; 36 in the last 30 days; 149 as pilot in command
  • Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 4,318 hours
  • Last inspection: annual inspection, June 23, 1999; 80 hours since
  • Landing gear: fixed
  • Engine: Continental O-470-L (piston); 0 hours total

The flight

  • Departed from: 1V5 Boulder CO at 3:45 pm
  • Destination: DEN
  • Flight plan: none
  • Runway 17R, 12,000 ft by 150 ft

Weather at the time

  • Light: daylight
  • Wind: from 270° at 10 knots
  • Visibility: 10 statute miles
  • Sky: scat at 10,000 ft
  • Temperature: 75°F (24°C), dew point 21°F (-6°C)
  • Altimeter: 30.00 inHg
  • Observation at 4:53 pm from DEN, 1 miles away

Injuries

FatalSeriousMinorNone
Crew1
Passengers1

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.

Other NTSB records under N6425X the same tail number, which may have belonged to a different aircraft at the time

2011-07-24CEN11CA518 · accident near Oscoda, MI · substantial damage · no injuries

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.