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Questions tagged [bombardier-crj]

A family of twin-engine regional jets produced by Bombardier from 1991 until the present.

9
votes
1answer
332 views

Why do the CRJ700 window shades open in different directions?

On a CRJ700, the window shades in the rows immediately fore and aft of the exit doors open downward. All the rest open upward. Seen on more than one aircraft. Is there an engineering rationale for ...
5
votes
1answer
368 views

What is that hole on the front portion of the empennage of a CRJ-1000?

I've noticed that there is a hole on the front tip of the "dorsal fin" of the CRJ-1000. I've been thinking that it would be logical if that's the intake for its APU unit. But I'm not really sure. ...
7
votes
1answer
315 views

What's with this non-exit Exit sign on Delta CRJs?

I have the pleasure of frequently flying Delta (i.e. Delta Connection) flights on CRJ-700 and CRJ-900 aircraft. All of them have a bogus EXIT sign between First Class and the main cabin: This is ...
7
votes
0answers
305 views

Can the RAM AIR valve cause depressurization on the CRJ-900?

On the CRJ-900 AIR-CONDITIONING panel there is a RAM AIR switch light which opens a valve and allows air from the ram air scoop to enter the mixing manifold for distribution to both the flight deck ...
5
votes
1answer
725 views

Why does the Canadair Regional Jet still use CRT screens?

All the CRJ aircraft from the 100 up through the new 1000 use the antiquated CRT technology for the main primary and secondary displays as well as the ED1 and ED2 displays. Aren't flat screens a more ...
1
vote
0answers
446 views

How do the air conditioning packs work for the CRJ 700/900? [duplicate]

Please provide details on how the packs on the CRJ 700/900 work. How does the system use air from the packs to make cold air for the aircraft?