Hard landing Accident Bell 412 N3910U,
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ASN Wikibase Occurrence # 76302
 
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Date:Monday 7 December 1987
Time:13:45
Type:Silhouette image of generic B412 model; specific model in this crash may look slightly different    
Bell 412
Owner/operator:Air Logistics
Registration: N3910U
MSN: 33018
Total airframe hrs:3787 hours
Engine model:P&W PT-6T-3B
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Destroyed
Category:Accident
Location:Galvestone, TX -   United States of America
Phase: Approach
Nature:Cargo
Departure airport:Galvestone, TX
Destination airport:Galvestone, TX
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE ACFT LANDED HARD IN THE GULF OF MEXICO DURING AN AUTOROTATION THAT WAS ENTERED FOLLOWING THE SEPARATION OF THE 90 DEGREE GEARBOX. THE GEARBOX (WITH TAIL ROTOR BLADES) SEPARATED DUE TO AN IMBALANCE. HOWEVER, THE GEARBOX WAS NOT RECOVERED DURING THE INVESTIGATION AND THE CAUSE OF THE IMBALANCE COULD NOT BE DETERMINED.

Sources:

https://www.ntsb.gov/ntsb/GenPDF.asp?id=FTW88FA036&rpt=fa
https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X32699&key=1
https://www.ntsb.gov/ntsb/GenPDF.asp?id=FTW88FA036&rpt=fi

Revision history:

Date/timeContributorUpdates
14-Aug-2010 12:47 Alpine Flight Added
21-Dec-2016 19:25 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

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