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ASN Wikibase Occurrence # 42266
Last updated: 29 September 2020
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Date:24-FEB-1994
Time:12:27
Type:Silhouette image of generic C150 model; specific model in this crash may look slightly different
Cessna 150L
Owner/operator:Hemet-Ryan Aviation
Registration: N10998
C/n / msn: 15075191
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:San Jacinto, CA -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Private
Departure airport:Hemet, CA (HMT)
Destination airport:
Investigating agency: NTSB
Narrative:
AFTER DEPARTING THE AIRPORT, THE PILOT CIRCLED THE PASSENGER'S HOUSE, THEN FLEW TOWARD MOUNTAINOUS TERRAIN. A WITNESS (PASSENGER'S WIFE) SAID THAT WHEN THE AIRPLANE WAS OVER THE MOUNTAINS, SHE HEARD A NOISE & SAW THE PLANE PITCH DOWN & CRASH. IMPACT OCCURRED NEAR THE TOP OF A RIDGE AT AN ELEVATION OF ABOUT 2400' MSL. THE AIRPLANE WAS DESTROYED DUE TO EXTENSIVE IMPACT DAMAGE. NO PREEXISTING MALFUNCTION OR FAILURE OF THE AIRFRAME OR ENGINE WAS FOUND. THE RPM GAUGE WAS SEIZED AT 2400 RPM. THE PROPELLER BLADES EXHIBITED LEADING EDGE GOUGING, CHORDWISE SCUFFING & EXTENSIVE 'S' TWISTING. TESTING OF THE PILOT'S BLOOD SHOWED 0.003 UG/ML TETRAHYDROCANNABINOL (MARIJUANA), 0.013 UG/ML TETRAHYDROCANNABINOL CARBOXYLIC ACID (MARIJUANA), 9.617 UG/ML BUTALBITAL, 0.342 UG/ML DIAZEPAM, 0.302 UG/ML NORDIAZEPAM, & 21 MG/DL (0.021%) ETHANOL. TESTS OF HIS URINE SHOWED 0.808 UG/ML TETRAHYDROCANNABINOL CARBOXYLIC ACID & 51 MG/DL (0.051%) ETHANOL. CAUSE: THE PILOT'S IMPAIRMENT OF JUDGMENT AND PERFORMANCE DUE TO ALCOHOL AND DRUGS, WHICH LED TO HIS IMPROPER PLANNING/DECISION, AND HIS FAILURE TO MAINTAIN ALTITUDE/CLEARANCE FROM MOUNTAINOUS TERRAIN, WHILE MANEUVERING AT LOW ALTITUDE.

Sources:

NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001206X00757


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:24 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

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