Aircraft Accident/Incident Report

Glen Canyon, Utah 84741
Monday, September 17, 1984 20:30 MST

NTSB Narrative Summary Released at Completion of Accident

THE ACFT CRASHED INTO THE 10388 FT HIGH NAVAHO MOUNTAIN AT ABOUT THE 9800 FT LEVEL. REPORTEDLY THERE WAS NO MOON THAT EVENING. THE PLT HAD DEPARTED HAYWARD, CA AT 1351 MDT & WAS ENROUTE TO FARMINGTON, NM. THE ACFT CRASHED AT 2027 MDT. INVESTIGATION REVEALED THE 67 YR OLD PILOT WAS SAID TO BE OVERWEIGHT, A HEAVY SMOKER, WAS UNDER GREAT PRESSURE, EASILY BECAME UPSET & HAD NEVER FLOWN THIS ROUTE BEFORE. THE FORMER WWII BOMBER PLT ALSO HAD LIMITED NIGHT & INSTRUMENT EXPERIENCE. THE PLT SEEMED CONFUSED DURING RADIO COMMUNICATIONS. THERE WERE SCATTERED & ISOLATED THUNDERSTORMS IN THE AREA.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 9/17/1984
Event Day of the Week Monday
Time of Event 2030
Event Time Zone Mountain Standard Time
Event City GLEN CANYON
Event State UTAH
Event Country --
Zipcode of the event site 84741
Event Date Year 1984
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 2151 Mountain Standard Time
Direction of event from weather observation facility (degrees) 275
Weather Observation Facility ID CDC
Elevation of weather observation facility 5622
Distance of event from weather observation facility (units?) 140
Time Zone of the weather observation MST
Lighting Conditions Night/Dark
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 6000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 15
Air Temperature at event time (in degrees celsius) 21
Dew Point at event time (in degress fahrenheit) 7
Wind Direction (degrees magnetic) 90
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 5431
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 3178
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 27287
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N1939M
NTSB Number DEN84FA298
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 182P
Aircraft Series Identifier 182P
Aircraft Serial Number 182-64492
Certified Max Gross Weight 2950
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 100 Hour
Date of Last Inspection Jul 23 1984 12:00AM
Airframe hours since last inspection 674
Airframe Hours 16564
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name LYLE ROBER GIBSON
Aircraft Owner Street Address 443 ALHAMBRA ROAD, S.
Aircraft Owner City SAN FRANCISCO
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 94080
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 580 S. OREGON
Operator City ONTARIO
Operator State OR
Operator Country
Operator Zip code 97914
Operator Code
Owner has at least one certificate Yes - certificate holder
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) Business
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code SGU
Departure City ST GEORGE
Departure State UT
Departure Country
Departure Time 2027
Departure Time Zone MST
Destination Same as Local Flt --
Destination Airport Code FMN
Destination City FARMINGTON
Destination State NM
Destination Country
Specific Phase of Flight Cruise
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --