ASN Wikibase Occurrence # 26632
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| Date: | Wednesday 25 August 1993 |
| Time: | 09:55 LT |
| Type: |  Cessna 402 |
| Owner/operator: | Air Sunshine Inc. |
| Registration: | N206RH |
| MSN: | 0206 |
| Total airframe hrs: | 12918 hours |
| Engine model: | CONTINENTAL TSIO-520VB |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | West Broward, FL -
 United States of America
|
| Phase: | Landing |
| Nature: | Unknown |
| Departure airport: | Sarasota, FL (KSRQ) |
| Fort Lauderdale, FL | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT WAS DEVIATING AROUND WEATHER DURING DESCENT WHEN HE NOTED THE FUEL FLOW AND MANIFOLD PRESSURE ON THE LEFT ENGINE OSCILLATING. BECAUSE THE PROPELLER WAS STILL TURNING HE ELECTED NOT TO FEATHER THE LEFT PROPELLER. THE AIRPLANE WOULD NOT MAINTAIN ALTITUDE SO HE LOWERED THE LANDING GEAR AND DITCHED THE AIRPLANE IN A SWAMP. EXAMINATION OF THE LEFT FUEL TANK REVEALED THE FUEL FLOAT VALVE ACTUATORS AND FLOAT ARMS EXCESSIVELY WORN. THIS CONDITION WOULD ALLOW UNMETERED AIR INTO THE FUEL LINES. ALSO NOTED WAS THE CONDITION OF ONE OF THE LEFT FUEL VALVES THAT COULD JAM OPEN ALLOWING THE FUEL PICKUP TO UNPORT AND INDUCE EXCESSIVE AIR INTO THE FUEL LINES.
Probable Cause: THE FAILURE OF THE PILOT TO FEATHER THE PROPELLER WHEN THE ENGINE LOST POWER, AND HIS FAILURE TO FOLLOW THE EMERGENCY PROCEDURE CHECKLIST. CONTRIBUTING TO THE ACCIDENT WAS THE INADEQUATE DESIGN OF THE FUEL TANK FLOAT VALVES WHICH ALLOWED FOR EXCESSIVE WEAR AND SUBSEQUENT INDUCTION OF UNMETERED AIR INTO THE FUEL LINES.
Accident investigation:
 |
|
Sources:
NTSB MIA93FA183
History of this aircraft
Other occurrences involving this aircraft
| 28 February 1984 | N206RH | Royal Hawaiian Airways Inc. | 0 | Kalaupapa, HI | |
min |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2008 01:00 | ASN archive | Added |
| 21-Dec-2016 19:14 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:16 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:20 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 11:36 | ASN Update Bot | Updated [Time, Cn, Operator, Other fatalities, Phase, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
Corrections or additions? ... Edit this accident description
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