CRJ APU / Press Limits, POH Rev 27

Question 1

700/900 Max Operating Altitude

Answer 1

41,000 ft.

Question 2

700/900: APU Start Limits:

Answer 2

Not more than 3 start / start attempts in 1 hour with a 2 minute delay between attempts.

Question 3

700/900: APU Bleed Air for Packs not permitted above:

Answer 3

25,000 ft.

Question 4

700/900: When APU Door is open speed is limited to:

Answer 4

220 KIAS, or APU must be running.

Question 5

-700 Max Altitude for Single Pack Operations:

Answer 5

31,000 ft

Question 6

-900 Max Altitude for Single Pack Operations:

Answer 6

31,000 ft.

Question 7

7/9 APU Door Limits:

Answer 7

When door is not closed or door position is unknown:

Limited to 220 kts or APU must be running.