NTSB Identification: SEA87FA098.
The docket is stored on NTSB microfiche number 33498.
Accident occurred Wednesday, May 20, 1987 in NORTH LAS VEGAS, NV
Probable Cause Approval Date: 05/31/1988
Aircraft: PIPER PA-31-350, registration: N22LV
Injuries: 1 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.

A MECHANIC, WHO WAS NOT RATED AS A PLT, TOOK THE ACFT WITHOUT PERMISSION & ELECTED TO TAKEOFF AT NGT. A WITNESS SAW THE ACFT DEP AT ABOUT 0250 PDT. SUBSEQUENTLY, IT CRASHED APRX 3 MI ENE OF THE ARPT IN AN OPEN UNDEVELOPED AREA. THE TIME OF THE ACDNT WAS NOT DETERMINED, BUT A CLOCK IN THE WRECKAGE HAD STOPPED AT 0355. THERE WAS EVIDENCE THE ACFT HAD IMPACTED IN A NOSE DOWN, INVERTED ATTITUDE WHILE ON A NNE HDG. THE ACFT MOVED ONLY 28' AFTER IMPACT & CAME TO REST INVERTED WITH THE GEAR EXTENDED & THE FLAPS RETRACTED. NO PREIMPACT MECHANICAL PROBLEM WAS FND. TOXICOLOGY TESTS SHOWED THE PLT HAD A BLOOD/ALCOHOL LVL OF 0.37% & A VITREOUS/ALCOHOL LVL OF 0.33%. NO RECORD WAS FND TO INDC THAT HE HAD ENGAGED IN ANY PREVIOUS FORMAL FLT TRAINING. THERE WAS EVIDENCE THE PLT HAD BEEN UNDER RECENT STRESS. A FRIEND RPRTD THE PLT & HIS WIFE WERE 'BREAKING UP.' THE PLT'S WIFE RPRTD HE HAD A DRINKING PROBLEM' WHICH WAS THE REASON FOR THEIR SEPN.

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

JUDGMENT..POOR..UNQUALIFIED PERSON

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

IMPAIRMENT(ALCOHOL)..UNQUALIFIED PERSON

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

AIRSPEED..NOT MAINTAINED..UNQUALIFIED PERSON

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

STALL..INADVERTENT..UNQUALIFIED PERSON


Contributing Factors

PSYCHOLOGICAL CONDITION..UNQUALIFIED PERSON



Contributing Factors

LIGHT CONDITION..DARK NIGHT

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