ASN Wikibase Occurrence # 36113
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| Date: | Wednesday 14 March 1990 |
| Time: | 15:05 |
| Type: |  Cessna 177 Cardinal |
| Owner/operator: | private |
| Registration: | N29578 |
| MSN: | 17700970 |
| Total airframe hrs: | 1576 hours |
| Engine model: | LYCOMING O-320-E2D |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Forty Fort, PA -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Forty Fort, PA (WBW) |
| Towanda, PA (N27) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
AS THE PLT & PLT RATED PASSENGER WERE DEPARTING THE airport, THE ENG LOST POWER AT ABOUT 300 TO 600 FT AGL. THE ACFT BEGAN TO TURN TO THE RIGHT, THEN IT ENTERED A STEEP DESCENT & CRASHED. NO PREIMPACT PART FAILURE OR MALFUNCTION OF OF THE ACFT OR ENG WAS FOUND. AN INVESTIGATION REVEALED THE ACFT HAD BEEN SERVICED WITH AUTO FUEL. A CHECK OF THE FUEL ABOUT 24 HRS AFTER THE ACDNT REVEALED A REID VAPOR PRESSURE (RVP) OF 11.8. ACCORDING TO THE SUPPLIER, THE AUTO FUEL CONSISTED OF 17.5% WINTER GRADE FUEL & 82.5% SUMMER GRADE FUEL. AVIATION FUEL HAS AN RVP OF 5.5 TO 7 & IS LESS SUSCEPTIBLE TO VAPOR LOCK. ACCORDING TO THE ACFT LOG, THE ACFT HAD BEEN MODIFIED IAW STC SA2010CE & SE1931CE FOR USE OF AUTO FUEL, BUT AN ID CLAMP & PLACARDS WERE NOT INSTALLED, AS REQUIRED. THE CARB FLOAT WAS MADE OF A COMPOSITE MATERIAL. THE TEMP & DEW POINT WERE 80 & 50 DEG, RESPECTIVELY. ACCORDING TO CARB ICING CHARTS, SERIOUS CARB ICING COULD HAVE OCCURRED AT GLIDE POWER & VISIBLE ICING WAS POSSIBLE AT RATED POWER. CAUSE: LOSS OF ENGINE POWER FOR AN UNKNOWN REASON, AND FAILURE OF THE PILOT TO MAINTAIN ADEQUATE AIRSPEED, WHILE MANEUVERING, WHICH RESULTED IN AN INADVERTENT STALL.
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001212X22804_
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:22 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
Corrections or additions? ... Edit this accident description
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