Loss of pressurization Serious incident Cessna 525A CitationJet CJ2+ G-TWOP,
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ASN Wikibase Occurrence # 277023
 
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Date:Wednesday 18 November 2020
Time:10:00 UTC
Type:Silhouette image of generic C25A model; specific model in this crash may look slightly different    
Cessna 525A CitationJet CJ2+
Owner/operator:Bristol Flying Centre Ltd
Registration: G-TWOP
MSN: 525A-0397
Fatalities:Fatalities: 0 / Occupants: 3
Aircraft damage: None
Category:Serious incident
Location:18 NM south of the VOZ radio beacon -   Czech Republic
Phase: En route
Nature:
Departure airport:Jersey-States Airport, Channel Islands (JER/EGJJ)
Destination airport:Brno Turany Airport (BRQ/LKTB)
Investigating agency: UZPLN
Confidence Rating: Accident investigation report completed and information captured
Narrative:
During a flight of the aircraft from the Channel Islands to Brno Tuřany Airport (LKTB), the aircraft suffered a loss of cabin pressure, shortly after having commenced the descent from FL 380.
At 10:02 at FL350, the crew declared a PAN, PAN, PAN and requested an emergency descent to FL100, but did not announce the reason. The crew began an emergency descent to FL130 and then to FL90. During the descent, oxygen masks for passengers automatically dropped.
After approaching LKTB, the aircraft was vectored for an ILS runway 27 approach, where it landed safely at 10:28. There were no injuries or damages during the incident.

Causes:
The cause of the serious incident was a technical fault in the digital control unit of the pressurisation system, which caused a drop in cabin pressure with an increase in cabin height.

Accident investigation:
cover
  
Investigating agency: UZPLN
Report number: 
Status: Investigation completed
Duration: 1 year and 4 months
Download report: Final report

Sources:

https://uzpln.cz/incident/658
https://www.flightradar24.com/data/aircraft/g-twop#26134a1e

Revision history:

Date/timeContributorUpdates
02-Apr-2022 12:52 harro Added

Corrections or additions? ... Edit this accident description

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