FTW98LA003
1997-10-02 · GRAND JUNCTION, Colorado, United States · None · 1 aircraft · Status: Completed
Airport GJT
Aircraft involved
Probable cause & findings
Encounter with high gusting winds while standing with the engine running
Factual narrative
On October 2, 1997, at 1840 mountain daylight time, a Cessna 172A, N7692T, sustained substantial damage when it was flipped over by a wind gust while waiting for takeoff at Grand Junction Municipal Airport, Grand Junction, Colorado. The private pilot and sole occupant was not injured. The flight was a personal flight operating under Title 14 CFR Part 91 and no flight plan was filed. Visual meteorological conditions prevailed. At the time of the accident, recorded wind at the airport was from 240 degrees magnetic heading at 39 knots with gusts to 43 knots. A rain cell was passing approximately 4 miles south of the airport. There were no SIGMETS or AIRMETS in effect for the local area at the time of the accident. The aircraft operating handbook and the Cessna Pilot Safety and Warning Supplement, 1985 edition, do not contain any restrictions regarding wind or crosswind operations. They do provide "suggested" techniques for taxi and takeoff in crosswind conditions. According to information obtained during the pilot interview, she was using the suggested operating techniques. The pilot said she was returning to Montrose, Colorado, after spending the day in Grand Junction, and had been cleared into position for takeoff on runway 29. She stated the aircraft appeared stable as she taxied into position and was then struck by a gust which she described as a wind shear with about 50 knots of wind. According to her statement and interview, the aircraft tail was pitched into the air and the plane nosed over coming to rest on its back. Nearly all upper surfaces on the aircraft sustained buckling and wrinkling damage as a result. According to the tower and the pilot, her aircraft was one of four waiting for departure. The other three were heavier low wing aircraft and were not affected by the wind. While holding in position for takeoff, the aircraft was struck by a wind gust which caused it to nose over. Nearly all upper surfaces on the aircraft sustained buckling and wrinkling damage as a result. Recorded wind at the time was from 240 degrees magnetic heading at 39 knots with gusts to 43 knots and a rain cell was passing approximately 4 miles south of the airport. There are no published aircraft operating restrictions regarding crosswind operations for this year and model aircraft. The manufacturer does provide suggested techniques for taxi and takeoff in high wind and cross wind conditions. The aircraft heading was 290 degrees at the time of the occurrence. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1997_FTW98LA003.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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Related research
Matched on aircraft type or causal vocabulary (wind shear). All research papers
- NASA NTRS 2019 · Conference Paper Optimal recovery from microburst wind shear
The flight path of a twin-jet transport aircraft is optimized in a microburst encounter during approach to landing. The objective is to execute an escape maneuver that maintains safe ground clearance …
- NASA NTRS 2019 · Contractor Report (CR) An Examination of Aviation Accidents Associated with Turbulence, Wind Shear and Thunderstorm
The focal point of the study reported here was the definition and examination of turbulence, wind shear and thunderstorm in relation to aviation accidents.
- NASA NTRS 2019 · Conference Paper Analysis of extreme wind shear
New methods utilizing extreme value statistical theory are applied in the analysis of the largest wind component shear in a wind profile as a function of shear layer thickness and season.
- NASA NTRS 2019 · Technical Memorandum (TM) Probabilities of zero wind shear phenomena based on Rawinsonde data records
Probabilities of zero wind shear occurence and depth based on rawinsonde data records
- NASA NTRS 2019 · Contractor Report (CR) A Wind Shear Mechanism for Producing Sporadic E by Concentrating Minor Meteoric Ions
Wind shear mechanism for producing sporadic E layer by concentrating minor meteoric ions
- NASA NTRS 2019 · Technical Memorandum (TM) Some aspects of wind shear in the upper atmosphere
Hydrodynamic turbulence and wind shear in upper atmosphere