ASN Wikibase Occurrence # 375279
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| Date: | Friday 22 March 2024 |
| Time: | 13:00 UTC |
| Type: |  Bombardier DHC-8-402Q Dash 8 |
| Owner/operator: | Porter Airlines |
| Registration: | C-GLQG |
| MSN: | 4194 |
| Year of manufacture: | 2007 |
| Fatalities: | Fatalities: 0 / Occupants: |
| Aircraft damage: | Unknown |
| Location: | 20 nm WSW of Montreal, QC -
 Canada
|
| Phase: | En route |
| Nature: | Passenger - Scheduled |
| Departure airport: | Ottawa-Macdonald-Cartier International Airport, ON (YOW/CYOW) |
| Halifax-Stanfield International Airport, NS (YHZ/CYHZ) | |
| Investigating agency: | TSB |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
Porter Airlines flight PTR2205, a DHC-8-402Q, was climbing through 10,000 feet when the crew noted that the cabin pressure differential was 3.2 psi instead of the anticipated 3.6 psi. The crew checked that the pressurisation controls were normal and continued to monitor the pressure. At flight level 230 about 20 nautical miles (nm) west-southwest of Montreal/Pierre Elliott Trudeau, QC (CYUL), the crew levelled off and noticed that the cabin altitude was continuing to increase. The crew then initiated an emergency descent and declared an emergency to return to land at CYOW. The maximum altitude reached by the cabin was 11,500 feet. The aircraft landed safely. There were no injuries.
Maintenance personnel changed the cabin pressure controller and the aircraft was returned to service.
Sources:
TSB A24Q0021
History of this aircraft
Other occurrences involving this aircraft
| 21 September 2012 | C-GLQG | Porter Airlines | 0 | Windsor Airport, ON (YQG/CYQG) | |
min |
| Tailstrike | ||||||
| 10 March 2018 | C-GLQG | Porter Airlines | 0 | SW of Fredericton, NB | |
min |
| 3 August 2022 | C-GLQG | Porter Airlines | 0 | SE of Toronto, ON | |
non |
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Mar-2024 18:16 | ASN | Added |
| 28-Mar-2024 18:16 | ASN | Updated [Location] |
Corrections or additions? ... Edit this accident description
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