Loss of control Serious incident Dassault Falcon 20D G-FRAK, Tuesday 14 November 2023
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Date:Tuesday 14 November 2023
Time:
Type:Silhouette image of generic FA20 model; specific model in this crash may look slightly different    
Dassault Falcon 20D
Owner/operator:Draken Europe
Registration: G-FRAK
MSN: 213
Year of manufacture:1969
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: None
Category:Serious incident
Location:S of Exeter -   United Kingdom
Phase: En route
Nature:Unknown
Departure airport:Bournemouth International Airport (BOH/EGHH)
Destination airport:Bournemouth International Airport (BOH/EGHH)
Investigating agency: AAIB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The aircraft suffered a loss of pitch control in flight and made an emergency landing at Exeter Airport.
The pitch control became restricted whilst operating at FL190. A MAYDAY was declared, and the aircraft diverted to the nearest suitable airfield. During the approach, the restriction cleared with a “thud” and the aircraft landed without further incident.


Conclusion
During prolonged periods of heavy rain over several days’ rainwater entered the rear fuselage and collected in the control box beneath the elevator control idler. When the aircraft was operating at altitude, the temperature in the rear fuselage compartment was sufficiently below freezing to cause this rainwater to freeze into ice. The control restriction experienced by the pilots, was due this ice restricting movement of the pitch control idler and this restriction cleared when the ice melted as aircraft descended into warmer air.

Accident investigation:
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Investigating agency: AAIB
Report number: AAIB-29731
Status: Investigation completed
Duration: 10 months
Download report: Final report

Sources:

https://bea.aero/en/investigation-reports/notified-events/detail/serious-incident-to-a-dassault-falcon-20-on-14-11-23-at-bournemouth/
https://www.flightradar24.com/data/aircraft/g-frak#32d3d7c6

History of this aircraft

Other occurrences involving this aircraft

25 April 2015 G-FRAK Cobham Aviation Services 0 37 km S of Portland Bill sub

Location

Revision history:

Date/timeContributorUpdates
24-Nov-2023 11:26 harro Added
24-Nov-2023 11:28 harro Updated [Other fatalities, Location, Source, Narrative, ]
12-Sep-2024 09:32 ASN Updated [Total occupants, Narrative, Accident report, ]

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