Jackson Hole Airport
Aircraft Accident/Incident Report

Jackson, Wyoming 83001
Sunday, July 6, 1997 17:00 MDT

NTSB Narrative Summary Released at Completion of Accident

The pilot reported to airport personnel that a gust of wind struck the airplane as it was about to touch down. The pilot stated that he was unable to maintain directional control as the airplane veered off the runway and subsequently nosed over. At the time of the accident, the airport wind conditions were reported as the wind from 240 degrees at nine knots with gusts to 16 knots. The pilot was landing on runway 18.

NTSB Probable Cause Narrative

The pilot's inadequate compensation for wind conditions. Gusting wind conditions was a factor.

Event Information

Type of Event Accident
Event Date 7/6/1997
Event Day of the Week Sunday
Time of Event 1700
Event Time Zone Mountain Daylight Time
Event City JACKSON
Event State WYOMING
Event Country --
Zipcode of the event site 83001
Event Date Year 1997
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport JACKSON HOLE
Event Location Nearest Airport ID JAC
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 6445
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1656 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID JAC
Elevation of weather observation facility 6445
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation MDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 29
Dew Point at event time (in degress fahrenheit) 1
Wind Direction (degrees magnetic) 240
Variable Wind Indicator Unknown
Wind Speed (knots) 9
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 16
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 9485
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1030
NTSB Notification Source --
NTSB Notification Date Jul 6 1997 12:00AM
NTSB Notification Time 1635
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 8 2000 12:26PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N211R
NTSB Number SEA97LA160
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Cessna
Aircraft Model 170B
Aircraft Series Identifier 170B
Aircraft Serial Number 20672
Certified Max Gross Weight 2050
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name SHARON L. TREMBLEY
Aircraft Owner Street Address 4955 SOUTHWIND DR.
Aircraft Owner City MULBERRY
Aircraft Owner State FL
Aircraft Owner Country
Aircraft Owner Zipcode 33860
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code 7V6
Departure City GUERNSEY
Departure State WY
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 18
Runway Length 6299
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --