ASN Wikibase Occurrence # 35984
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Date: | Wednesday 11 December 1996 |
Time: | 12:24 |
Type: | Beechcraft G18S |
Owner/operator: | Tol-Air/MBD Corporation |
Registration: | N353T |
MSN: | BA-485 |
Year of manufacture: | 1959 |
Total airframe hrs: | 8203 hours |
Engine model: | P&W R-985-AN-14B |
Fatalities: | Fatalities: 1 / Occupants: 1 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | 6 mi E off Roosevelt Roads NAS -
Puerto Rico
|
Phase: | Landing |
Nature: | Cargo |
Departure airport: | San Juan, PR (SJU) |
Destination airport: | St Vincent |
Confidence Rating: | Information is only available from news, social media or unofficial sources |
Narrative:At 1136 AST, the twin engine airplane departed San Juan, PR, on a flight to St Vincent. About 1208 AST, the pilot contacted ATC and indicated that he would like to divert to St Thomas. He informed the controller that he had 'feathered' the left engine due to loss of the left engine cowling, but he did not declare an emergency. He requested wind information for St Thomas, then at about 1613 AST, he changed his destination to Roosevelt Roads, PR. At 1120 AST, the pilot reported that the airplane was losing about 300'/min, then about 1 minute later, he said he was going to attempt an engine restart, and that the airplane was getting close to the water. A short time later, he informed ATC that he was not going to make it to shore. The pilot acknowledged info that search and rescue personnel were responding, then there was not further contact with the airplane. The airplane was located about 6 miles east of Roosevelt Roads NAS, but the pilot was not found. Review of weight and balance info revealed the pilot did not follow written procedures, and that the airplane exceeded the maximum authorized gross weight for take off. Flight crews had been informed of a communique from the manufacturer that there was no need to shut down an engine and feather the propeller unless engine performance or a major vibration problem confirmed the need.
CAUSE: The pilot's improper planning/decision concerning separation of the left engine cowling. Factors relating to the accident were: the pilot's failure to perform weight and balance calculations, and/or to ensure the airplane was loaded in accordance with company procedures and the airplane flight manual; loss of the left engine cowling for undetermined reasons; and the pilot's decision not to follow written procedures by intentionally shutting down the left engine and feathering the propeller.
Sources:
https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001208X07211 Revision history:
Date/time | Contributor | Updates |
24-Oct-2008 10:30 |
ASN archive |
Added |
30-Mar-2012 13:43 |
harro |
Updated [Operator, Location, Nature, Destination airport, Narrative] |
21-Dec-2016 19:22 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
13-Oct-2017 18:39 |
TB |
Updated [Aircraft type, Operator, Location, Source, Narrative] |
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