Questions tagged [bombardier-crj]

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

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9
votes
1answer
978 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 ...
9
votes
1answer
728 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 ...
8
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2answers
1k 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 ...
7
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1answer
607 views

Why was pitch angle protection not active in the CRJ 200 during the crash of Sweden Air 294?

I have read about the CRJ 200 Sweden Air 294 crash. I understood that the main cause of the accident was faulty IRU and wrong declutter PFD design. The human error also lead the aircraft into a ...
7
votes
1answer
359 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
3answers
649 views

Were my airplane's wheels under-inflated?

I recently took a flight on a (Lufthansa) Bombardier CRJ900 aircraft. As I was about to embark, my eyes caught this image: And the aircraft wasn't even loaded with the passengers yet. If I saw this ...
5
votes
1answer
544 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. ...
5
votes
2answers
240 views

Why is Bombardier selling off all of its airliner series?

Bombardier’s product lineup formerly had three separate families of airliners (in addition to its side business with the Challenger, Learjet, and Global business-jet series): The DHC-8 (Dash 8, Q-...
4
votes
1answer
802 views

What is the meaning of Minimum Flight Weight?

In the Aircraft Flight Manual of the Bombardier CRJ700, the Minimum Flight Weight is listed as 42,000lbs. What is the meaning of Minimum Flight Weight?
3
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1answer
270 views

Can a Bombardier CRJ derate the takeoff thrust?

I have recently been flying a Bombardier CRJ 700 in a simulator and wondered how to derate the engines for takeoff. I know how the takeoff thrust derating is selected in Airbus and modern Boeing ...
2
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1answer
153 views

Do all Bombardier jets have manual reversion?

Whatever CRJ 700 or Learjet 35A/45XR. Do these aircraft have full manual reversion? Can you operate the flying surfaces in a hydraulic failure? These aircraft are very small – even ...
2
votes
3answers
316 views

What is the reason for this engine oil service procedure on a Bombardier CRJ?

Someone told me that servicing the engine oil on a Bombardier CRJ900 aircraft with the APU on could lead to the particular engine being overserviced. He then advised that the engine-oil service be ...
1
vote
0answers
624 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?
0
votes
1answer
454 views

What's the cabin pressure of a Bombardier CRJ-900? [closed]

In terms of altitude (6000, 7000, 8000, etc), what is the cabin pressure in a CRJ-900?