Pilot’s Operating Manual
P/N 140-590032-0007
Revision A4: Sep, 2010
Page 1-19
Section V Sub-section 1
NORMAL HANDLING
DURATION OF OXYGEN SUPPLY FOR COMPLIANCE WITH 14 CFR 91.211
This table provides the oxygen duration times for an emergency descent and continued cruise at 15,000
feet. After the given period, the airplane is required to descend to 12,500 feet. The oxygen supply to the
passengers is stopped at this altitude by closing the passenger isolation valve.
NOTE:
The barometric control valve can only be reset below 11,000 feet.
For times quoted less than 30 minutes, this procedure allows 30 minutes minimum supplementary
oxygen supply to 2 crew members as stipulated in 14 CFR 91.211 requirements with total usable
oxygen contents depleted.
The crew regulator will be on 100% during emergency descent and a 2 minute period at 15,000 feet,
then switched to the NORMAL mode.
Table 4 - Duration of Oxygen Supply - 14 CFR 91.211
Number of
Passengers
Duration Time In Minutes
2 Bottles
3 Bottles
0
177
270
1
80
122
2
61
94
3
50
76
4
42
64
5
36
55
6
32
49
7
27
43
8
24
39
9
21
35
10
19
32
11
18
30
12
16
27
13
14
25
14
13
23
15
12
22
Содержание Hawker 800XP
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