NTSB Identification: DEN88FA030.
The docket is stored on NTSB microfiche number 35268.
Accident occurred Wednesday, November 25, 1987 in KNOLLS, UT
Probable Cause Approval Date: 05/16/1989
Aircraft: BEECH J35, registration: N2EE
Injuries: 2 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE LAST COMM WITH THE FLT WAS WHEN THE PLT CONTACTED ELKO RADIO AND REQUESTED THE SALT LAKE CITY WX. HE REPORTED THAT HE WAS AT 11500 FT AND VFR ON TOP. THE SPECIALIST ON DUTY WAS UNABLE TO PROVIDE THE WX INFO DUE TO A COMPUTER SYS OUTAGE BUT RECOMMENDED THAT THE PLT CTC CEDAR CITY FLT WATCH FOR WX INFO. NO REC OF ANY FURTHER CONTACTS BY THE PLT COULD BE FOUND. APPROX 1 HR LATER, A WITNESS RPTD SEEING ACFT LIGHTS AT A LOW ALTITUDE HEADING IN A SOUTHERLY DIRECTION, NEAR THE CRASH SITE. THE WITNESS STATED THAT THE WX AT THE TIME WAS SNOW AND ICY CONDITIONS AND THE STATE HWY PATROL CONFIRMED THAT BLIZZARD CONDITIONS EXISTED IN THE AREA. EXAM OF THE WRECKAGE REVEALED THAT THE ACFT DESCENDED INTO THE DESERT IN A SLIGHT NOSE DOWN, STEEP RIGHT WING DOWN ATTITUDE ON A TRACK OF 170 DEGREES. NO EVIDENCE OF MECH FAILURE/MALF OF THE ACFT OR ITS ENG WAS FOUND. THE PLT HAD A PRIOR HISTORY OF HYPOXIC PROBLEMS. THE ALT AT WHICH HE LAST REPORTED WAS IN THE AVERAGE SUB-HYPOXIC RANGE.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

BECAME LOST/DISORIENTED..INADVERTENT..PILOT IN COMMAND

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

SPATIAL DISORIENTATION..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..ICING CONDITIONS


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

WEATHER CONDITION..SNOW


Contributing Factors

LIGHT CONDITION..DARK NIGHT


Contributing Factors

PHYSICAL IMPAIRMENT(ANOXIA/HYPOXIA)..PILOT IN COMMAND

Index for Nov1987 | Index of months