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| Date: | Friday 24 November 1989 |
| Time: | 07:54 |
| Type: |  Thorp T-18 |
| Owner/operator: | private |
| Registration: | N18FL |
| MSN: | 555 |
| Total airframe hrs: | 38 hours |
| Engine model: | Lycoming O-290-G |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Other fatalities: | 0 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Colorado City, CO -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | (CO22) |
| (CO22) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A WITNESS SAW THE PLT PREFLIGHT THE ACFT. AFTER HE TOOK OFF, THE ACFT ENTERED A STEEP DESCENT & CRASHED A SHORT DISTANCE FROM THE END OF THE RWY. AN EXAM OF THE ENG REVEALED THAT ALL SPARK PLUGS WERE CARBON FOULED. THE HOME BUILT ACFT HAD A TOTAL OF 40 HRS FLT TIME. THE ENG HAD A TOTAL TIME OF 42 HRS TSMO. THE OWNER/PLT HAD CHANGED THE CARBURETOR & SPARK PLUGS AFTER THE ACFT HAD FLOWN 6 HRS & THE ACFT HAD FLOWN 13 HRS SINCE THE LAST INSPN. NO PREIMPACT PART FAILURE WAS FOUND. CAUSE: LOSS OF ENGINE POWER WITH CARBON FOULING OF THE SPARK PLUGS, AND FAILURE OF THE PILOT TO MAINTAIN ADEQUATE AIRSPEED, WHICH RESULTED IN AN INADVERTENT STALL.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X29772
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency, ] |
Corrections or additions? ... Edit this accident description
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