AAIB investigation to DHC-8-402 Dash 8, G-PRPC

Pressurisation system not turned on leading to emergency descent, near Edinburgh Airport, 21 September 2018.

• From: Air Accidents Investigation Branch
• Published: 11 July 2019

• Category: Commercial - fixed wing
• Report type: Bulletin - Correspondence investigation
• Date of occurrence: 21 September 2018
• Aircraft type: DHC-8-402 Dash 8
• Location: Edinburgh Airport
• Registration: G-PRPC

Summary:

Shortly after levelling at cruise altitude an audio warning sounded and the CABIN PRES-SURE warning illuminated. The crew followed the QRH checklist and initiated an emer-gency descent, and a MAYDAY was declared. On reviewing their actions, the crew saw that the air conditioning system was off. After levelling at FL100, and after consultation with the operator, the crew decided to continue the flight to Edinburgh.

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DHC-8-402 Dash 8, G-PRPC 07-19

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Glossary of abbreviations

Published 11 July 2019