Wendover Airport
Aircraft Accident/Incident Report

Wendover, Utah 84088
Saturday, April 14, 1990 23:30 MDT

NTSB Narrative Summary Released at Completion of Accident

THE PLT STATED HE ACTIVATED THE RWY EDGE LIGHTS PRIOR TO TAXIING FOR TAKEOFF, AND TAXIED FOR 'QUITE A WHILE' BECAUSE THE TAXIWAY IS NOT LIGHTED. HE BELIEVES THE LIGHTS WENT OUT SHORTLY AFTER THE AIRPLANE BECAME AIRBORNE. THE RWY LIGHTS REMAIN ILLUMINATED FOR APRX 15 MIN AFTER ACTIVATION. THE SURVIVING PAX REMEMBERED THE AIRPLANE 'TUMBLING' AFTER TAKEOFF.THE AIRPLANE STRUCK THE GROUND IN A LEFT WING DOWN, NOSE LOW ATTITUDE. THE AIRPORT IS LOCATED SOUTHEAST OF THE CITY, ANDPILOTS FAMILIAR WITH THE AIRPORT DESCRIBED THE AREA ALONG THE EXTENDED CENTERLINE OF RWY 21 AS 'A BLACK HOLE'. THE PILOTHAD LOGGED 4 HRS OF NIGHT TIME IN THE LAST 90 DAYS.

NTSB Probable Cause Narrative

THE PILOT'S LOSS OF CONTROL OF THE AIRPLANE DUE TO SPATIAL DISORIENTATION. CONTRIBUTING FACTOR(S) WAS: THE LACK OF SURFACE REFERENCE WHILE TAKING OFF OVER A SPARSELY POPULATED AREA UNDER DARK NIGHT LIGHT CONDITIONS.

Event Information

Type of Event Accident
Event Date 4/14/1990
Event Day of the Week Saturday
Time of Event 2330
Event Time Zone Mountain Daylight Time
Event City WENDOVER
Event State UTAH
Event Country --
Zipcode of the event site 84088
Event Date Year 1990
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport WENDOVER
Event Location Nearest Airport ID ENV
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 4240
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 2328 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 30
Weather Observation Facility ID ENV
Elevation of weather observation facility 4240
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation MDT
Lighting Conditions Night/Dark
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) 7
Air Temperature at event time (in degrees celsius) 17
Dew Point at event time (in degress fahrenheit) 2
Wind Direction (degrees magnetic) 320
Variable Wind Indicator Unknown
Wind Speed (knots) 2
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 0
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 2
Injury Total Minor --
Injury Total None --
Injury Total Serious 2
Injury Total All 4
Investigating Agency NTSB
NTSB Docket Number (internal use) 1396
NTSB Notification Source --
NTSB Notification Date Apr 15 1990 12:00AM
NTSB Notification Time 15
Fiche Number and/or location -used to find docket information 42705
Date of most recent change to record Dec 12 2000 4:53PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N6401P
NTSB Number DEN90FA092
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 PIPER
Aircraft Model PA-24-250
Aircraft Series Identifier PA-24-250
Aircraft Serial Number 241511
Certified Max Gross Weight 2800
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 Retractable
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Apr 10 1990 12:00AM
Airframe hours since last inspection 1
Airframe Hours 2657
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name FRED SORENSEN
Aircraft Owner Street Address 814 OAKMONT AVE
Aircraft Owner City MURRAY
Aircraft Owner State UT
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name SORENSEN, FRED
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 814 OAKMONT
Operator City MURRAY
Operator State UT
Operator Country
Operator Zip code 84107
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 Yes
Departure Airport Code ENV
Departure City
Departure State
Departure Country
Departure Time 2330
Departure Time Zone MDT
Destination Same as Local Flt --
Destination Airport Code SLC
Destination City SALT LAKE CITY
Destination State UT
Destination Country
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 21
Runway Length 9100
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --