Swedish regional carrier Malmo Aviation has amended its BAE Systems Avro RJ100 checklists after one of its crews continued a climb towards cruise altitude without realising the jet was not pressurised.

Both air conditioning packs were off, but this was missed during the climb checklist. A cockpit indicator also showed that the avionics fan was off – an alert which can be triggered by low air pressure – but the abnormal checklist procedure for such warnings did not specify any actions.

The RJ100, en route from Stockholm Bromma to Gothenburg, was climbing towards its cruising altitude of 28,000ft at the time. It had reached about 18,000ft when flight attendants told the pilots that oxygen masks had deployed in the passenger cabin.

In response the pilots put on oxygen masks and, with the aircraft at about 19,000ft, initiated a descent. The air

This entry was posted on Thursday, January 31st, 2008 at 9:00 am and is filed under Uncategorized. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.