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Smell During Start Up..  
User currently offlineFlying-b773 From Singapore, joined Apr 2001, 390 posts, RR: 0
Posted (14 years 1 week 6 days 20 hours ago) and read 1460 times:

i was on a KE A300-600R during a morning.. and during push back, there is a smell of like mayb burning or what... but like very carbon monoxide though.... why is that so? seems that i did not smell anything on other aircrafts.. only for that particular one.. and i was seated right at the rear of the cabin though... anyone knows whats that smell? and is the A300-600R the only aircraft that will give out such smell?

6 replies: All unread, jump to last
User currently offlineAvt007 From Canada, joined Jul 2000, 2132 posts, RR: 4
Reply 1, posted (14 years 1 week 6 days 20 hours ago) and read 1454 times:

It is not unusual to get a smell of oil in the cabin on startup. It's nothing serious, and fairly common.

User currently offlineAzjubilee From United States of America, joined Apr 2000, 4365 posts, RR: 26
Reply 2, posted (14 years 1 week 6 days 20 hours ago) and read 1448 times:

Funny, I thought carbon monoxide was odorless and colorless. The smell you smelled was probably exhaust form the engines. The air that enters the cabin is ducted from the engines, cooled and air conditioned before it enters the cabin. It is very common for odors to be apparent in all phases of the operation of the airplane.

Hope this helps,


User currently offlineNZ767 From New Zealand, joined Nov 2001, 1620 posts, RR: 1
Reply 3, posted (14 years 1 week 6 days 20 hours ago) and read 1436 times:

Either that or someone nearby had baked beans for breakfast. Big grin

User currently offlineTrickijedi From United States of America, joined May 2001, 3266 posts, RR: 4
Reply 4, posted (14 years 1 week 6 days 19 hours ago) and read 1395 times:

That smell you smelled was not unusual. Many if not all planes emit that smell and it is further pronounced when seated next to or behind the engine. The two aircraft that I smell it the most are on the 767-300 and the DC9.

Its better to be on the ground wishing you were in the air than be in the air wishing you were on the ground. Fly safe!
User currently offlineLMML 14/32 From Malta, joined Jan 2001, 2566 posts, RR: 6
Reply 5, posted (14 years 1 week 6 days 18 hours ago) and read 1371 times:

This can happen during start up when the apu inlet picks up engine exhaust. Also when taxiing closely behind larger aircraft. As a solution some pilots switch off the packs.

User currently offlineErasmus From Italy, joined Jun 2007, 0 posts, RR: 0
Reply 6, posted (14 years 1 week 6 days 18 hours ago) and read 1365 times:

The air that enters the cabin is indeed ducted from the engines or from the APU (Auxiliary Power Unit). It comes from the High Pressure Compressor.(It's of course air that has not participated in the combustion process.) So inside the cabin the smell will be the same as close to the engine inlets. In flight this will normally be fresh, odourless air. On the apron however the outside apron-smell might of course enter the cabin! So on the ground a "strange" or kerosine-like smell is usually nothing to worry about. If the smell continues a while after take-off, then this is a matter that's worth looking into.
But very often passengers will mistake the odour from the bread in the oven or the perfume of an other passenger for a "strange" smell.
As already mentioned, carbon monoxide is odourless !

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