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NTSB Report
January 19, 1990 · Piper PA-28-161 · N8251B
Burbank, CA
Overview
Report Status
Probable Cause
Event Type
Accident
Date
January 19, 1990
Injury Outcomes
4 injuries (4 fatalities)
Location
Burbank, CA
Aircraft
Piper PA-28-161
Tail Number
N8251B
Operator
Daniel Tompkins
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
LAX90FA070
THE ACFT WAS SCHEDULED FOR A NGT INSTRUMENT TRAINING FLT WITH 2 ADDITIONAL PLTS ABOARD, WHO WERE SEEKING INSTRUMENT RATINGS. SHORTLY AFTER TAKING OFF FROM RWY 7, THE INSTRUCTOR (CFI) RADIOED TO THE TOWER THAT AN IMMEDIATE LNDG WAS NECESSARY, BUT HE DID NOT GIVE A REASON. THE FLT WAS CLRD TO LAND. THE ACFT WAS THEN OBSERVED TO ENTER A STEEP LEFT TURN AT LOW ALT & DESCEND ABRUPTLY. IT CRASHED IN A STEEP DESCENT ABOUT 500 FT NORTH OF RWY 7 ON A HEADING OF ABOUT 260 DEG. IMPACT OCCURRED IN A LEFT WING LOW, NOSE DOWN ATTITUDE. NO PREIMPACT PART FAILURE OR MALFUNCTION OF THE ACFT OR ENG WAS FOUND. TESTS OF THE CFI'S BLOOD SHOWED THAT IT CONTAINED 1 NG/ML OF DELTA-9-TETRAHYDROCANNABINOL (A PSYCHOACTIVE COMPONENT OF MARIJUANA) & 7 NG/ML OF DELTA-9-TETRAHYDROCANNABINOL CARBOXYLIC ACID (A METABOLITE OF MARIJUANA). GROSS WT OF THE ACFT WAS ESTIMATED TO BE 2411 LBS; ITS MAX CERTIFIED GROSS WT WAS 2325 LBS.
NTSB Probable Cause
POOR JUDGEMENT OF THE INSTRUCTOR PILOT (CFI) DUE TO HIS IMPAIRMENT FROM USE OF MARIJUANA, INADEQUATE SUPERVISION OF THE FLIGHT BY THE CFI, AND HIS FAILURE TO ASSURE THAT ADEQUATE AIRSPEED WAS MAINTAINED, WHICH RESULTED IN AN INADVERTENT STALL. FACTORS RELATED TO THE ACCIDENT WERE: THE CFI'S INADEQUATE PREFLIGHT PLANNING/PREPARATION, AND HIS FAILURE TO ASSURE THE AIRCRAFT WAS WITHIN ITS CERTIFIED GROSS WEIGHT LIMIT.
Full Narrative
THE ACFT WAS SCHEDULED FOR A NGT INSTRUMENT TRAINING FLT WITH 2 ADDITIONAL PLTS ABOARD, WHO WERE SEEKING INSTRUMENT RATINGS. SHORTLY AFTER TAKING OFF FROM RWY 7, THE INSTRUCTOR (CFI) RADIOED TO THE TOWER THAT AN IMMEDIATE LNDG WAS NECESSARY, BUT HE DID NOT GIVE A REASON. THE FLT WAS CLRD TO LAND. THE ACFT WAS THEN OBSERVED TO ENTER A STEEP LEFT TURN AT LOW ALT & DESCEND ABRUPTLY. IT CRASHED IN A STEEP DESCENT ABOUT 500 FT NORTH OF RWY 7 ON A HEADING OF ABOUT 260 DEG. IMPACT OCCURRED IN A LEFT WING LOW, NOSE DOWN ATTITUDE. NO PREIMPACT PART FAILURE OR MALFUNCTION OF THE ACFT OR ENG WAS FOUND. TESTS OF THE CFI'S BLOOD SHOWED THAT IT CONTAINED 1 NG/ML OF DELTA-9-TETRAHYDROCANNABINOL (A PSYCHOACTIVE COMPONENT OF MARIJUANA) & 7 NG/ML OF DELTA-9-TETRAHYDROCANNABINOL CARBOXYLIC ACID (A METABOLITE OF MARIJUANA). GROSS WT OF THE ACFT WAS ESTIMATED TO BE 2411 LBS; ITS MAX CERTIFIED GROSS WT WAS 2325 LBS.
Flight
Event TypeAccident
Event Time20:14 PST
Nearest AirportBURBANK (0nm N)
Runway7
Runway Length6074 ft
Runway Width150 ft
Flight Plan FiledIFR
Aircraft FireGrd
Aircraft ExplosionNo
Aircraft
AircraftPiper PA-28-161
Tail NumberN8251B
Aircraft CategoryAir
DamageDestroyed
OperatorDaniel Tompkins
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320 · Reciprocating · 160
Seats4
People & Injuries
Injury Summary4 injuries (4 fatalities)
Fatal4
Serious0
Minor0
Uninjured0
Total4
Crew 1Age 30 · Second Class
Conditions
ConditionsVMC
LightDark Night
WindCalm
Visibility15 sm
CeilingNone
Temperature / Dew Point50 / 43 C
Altimeter30.00 inHg
Observation Time04:23
Weather SourceWFAC