ASN Wikibase Occurrence # 42407
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| Date: | Saturday 9 January 1988 |
| Time: | 13:45 |
| Type: |  Grob G109B |
| Owner/operator: | Private |
| Registration: | N109MD |
| MSN: | 6353 |
| Total airframe hrs: | 338 hours |
| Fatalities: | Fatalities: 1 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Tehachapi, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Tehachapi, CA (TSP) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT AND HIS PASSENGER USED THE MOTOR-GLIDER'S POWER PLANT TO TAKEOFF AND CLIMB TO A MOUNTAIN RIDGE TO SOAR. UPON REACHING THE RIDGE TOP THE PILOT SHUT OFF THE POWER PLANT AND ENTERED SOARING FLIGHT. THE PASSENGER STATED THAT THE MOTOR GLIDER DESCENDED INTO TREES AND THEN IMPACTED THE SNOW COVERED TERRAIN. HE SAID THAT THE PILOT DID NOT ATTEMPT TO RESTART THE POWER PLANT BEFORE COLLIDING WITH THE TREES. TOXICOLOGICAL TESTS ON THE PILOTS BLOOD AND URINE WERE CONDUCTED. THEY REVEALED 0.9 MCG/ML OF BROMPHENIRAMINE IN HIS URINE AND LOW CONCENTRATIONS OF PHENYLPROPANOLAMINE AND 6.0 MG/ML OF MARIJUANA METABOLITES IN HIS BLOOD. IN ADDITION, 62.0 MG/ML OF MARIJUANA METABOLITES WERE DETECTED IN HIS URINE.
The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND
POWERPLANT..NOT ENGAGED
Contributing Factors:
IMPAIRMENT(DRUGS)..PILOT IN COMMAND
Possibly written off, as the US registration N109MD was cancelled on September 13, 1989
Sources:
1. NTSB Identification: LAX88LA083 at http://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001213X24923&key=1&queryId=811003c7-b5cb-417e-9505-7523f7e227bb&pgno=4&pgsize=50
2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=109MD
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 03-Dec-2009 23:45 | DColclasure | Updated |
| 23-Sep-2011 03:25 | Uli Elch | Updated [Aircraft type, Nature, Source, Narrative, Plane category, ] |
| 29-Sep-2011 02:45 | Uli Elch | Updated [Source, Plane category, ] |
| 10-Aug-2016 12:44 | Dr.John Smith | Updated [Source, Damage, Narrative] |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
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