Accident Pilatus PC-12/45 N944BT,
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ASN Wikibase Occurrence # 223700
 
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Date:Sunday 24 March 2019
Time:11:01 LT
Type:Silhouette image of generic PC12 model; specific model in this crash may look slightly different    
Pilatus PC-12/45
Owner/operator:Private
Registration: N944BT
MSN: 468
Year of manufacture:2002
Total airframe hrs:2558 hours
Engine model:Pratt & Whitney Canada PT6A-67B
Fatalities:Fatalities: 0 / Occupants: 3
Aircraft damage: Substantial
Category:Accident
Location:near Fort Lauderdale, Broward County, Florida -   United States of America
Phase: En route
Nature:Private
Departure airport:Fort Lauderdale-Executive Airport, FL (FXE/KFXE)
Destination airport:Morristown-Moore Murrell Airport, TN (KMOR)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
During the climb to cruise altitude on a cross-country flight, the pilot heard a loud bang and the pilot's side windshield shattered and the cabin began depressurizing. The pilot returned to the departure airport and landed uneventfully, where he noticed that the seal was extruded in two places around the outer pane. The windshield was sent to the manufacturer for a detailed examination, which revealed that 80% of the fiberglass straps were missing, and they were likely removed by maintenance personnel. A combination of missing straps and heavy delamination caused the outboard ply to become detached from the edge attachment. Moisture ingress at the bottom aft edge caused delamination and arcing. There was no record in the airframe logbook of the straps' removal.

Probable Cause: Improper maintenance of the windshield, which resulted in delamination and in-flight depressurization.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ERA19LA137
Status: Investigation completed
Duration:
Download report: Final report

Sources:


NTSB ERA19LA137

Location

Revision history:

Date/timeContributorUpdates
04-Apr-2019 17:09 Captain Adam Added
29-Mar-2021 17:37 ASN Update Bot Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report]

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