ASN Wikibase Occurrence # 132178
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| Date: | Friday 26 November 1993 |
| Time: | 16:30 LT |
| Type: |  Beechcraft 58 Baron |
| Owner/operator: | Vader Air, Inc |
| Registration: | N4VG |
| MSN: | TH-865 |
| Total airframe hrs: | 3300 hours |
| Engine model: | CONTINENTAL TSIO-520-C |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Stowe, VT -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | Schenectedy, NY (SCH |
| (KMVL) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A PASSENGER REPORTED THAT WHEN THE AIRCRAFT WAS ABOUT 6 MI FROM THE DESTINATION AIRPORT AT 6000' MSL, THE PILOT BEGAN A DESCENT BY REDUCING THE POWER TO IDLE, PLACING THE PROPELLERS TO FULL FORWARD (HIGH RPM), LOWERING THE LANDING GEAR, EXTENDING THE FLAPS, & SLOWING TO 110 KNOTS. WHEN THE AIRPLANE WENT BELOW THE INTENDED APPROACH PATH ON SHORT FINAL APPROACH, THE PILOT APPLIED POWER, BUT THE RIGHT ENGINE DID NOT RESPOND. THE PILOT STATED THAT THE AIRPLANE YAWED 80 TO 90 DEGREES TO THE RIGHT. HE SAID A STALL WAS EMINENT, SO HE REDUCED THE POWER & ROLLED THE WINGS LEVEL. THE PLANE STRUCK TREES & THE TERRAIN. AN EXAM DID NOT REVEAL ANY PRE-EXISTING ANOMALIES. A REVIEW OF THE AIRPLANE & ENGINE HANDBOOKS CAUTIONED AGAINST RAPID DESCENTS AT IDLE RPM TO AVOID LOW CYLINDER HEAD TEMPERATURES. THE ENGINE MANUAL NOTED THAT LONG DESCENTS AT LOW MANIFOLD PRESSURE COULD COOL THE ENGINE(S) EXCESSIVELY & RESULT IN UNSATISFACTORY ACCELERATION. THE PILOT DID NOT FEATHER THE RIGHT ENGINE.
Probable Cause: THE PILOT DID NOT FOLLOW THE EMERGENCY PROCEDURE AFTER LOSS OF POWER IN THE RIGHT ENGINE, BY FAILING TO FEATHER THE RIGHT ENGINE AND FAILING TO MAINTAIN MINIMUM SINGLE-ENGINE CONTROL SPEED. A FACTOR RELATED TO THE ACCIDENT WAS: FAILURE OF THE PILOT TO ADHERE TO THE CAUTIONS CONCERNING OPERATION OF THE ENGINES DURING DESCENT.
Accident investigation:
 |
|
Sources:
NTSB BFO94LA018
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 10-Apr-2024 09:58 | ASN Update Bot | Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Narrative, Accident report] |
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