TM 55-1510-215-10
Table 2-2. Oxygen Duration (sheet 8 of 11)
CREW MEMBER DURATION IN HOURS
CABIN
GAGE PRESSURE - PSI, U-21G
ALTITUDE
150 CUBIC FOOT SYSTEM
FEET
2000
1800
1500
1200
900
600
300
8.4
7.5
6.3
5.0
3.7
2.5
1.2
ONE
10,000
29.3
26.4
22.0
17.5
13.1
8.7
4.3
MAN
CREW
10.4
9.3
7.8
6.2
4.6
3.1
1.5
15,000
29.3
26.4
22.0
17.5
13.1
8.7
4.3
13.8
12.4
10.3
8.3
6.2
4.1
2.0
20,000
24.3
21.8
18.2
14.5
10.9
7.2
3.5
4.2
3.8
3.1
2.5
1.9
1.2
0.6
TWO
10,000
14.7
13.2
11.0
8.8
6.6
4.3
2.1
MAN
CREW
5.2
4.7
3.9
3.1
2.3
1.5
0.8
15,000
14.7
13.2
11.0
8.8
6.6
4.3
2.1
6.9
6.2
5.2
4.1
3.1
2.0
1.0
20,000
12.1
10.9
9.1
7.3
5.4
3.6
1.8
3.8
3.4
2.9
2.3
1.7
1.1
0.6
TWO
10,000
11.0
9.9
8.2
6.6
4.9
3.3
1.6
MAN
CREW
4.6
4.1
3.4
2.7
2.0
1.4
0.7
PLUS
15,000
10.7
9.6
8.0
6.4
4.8
3.2
1.6
ONE
PASS
5.8
5.2
4.3
3.5
2.6
1.7
0.8
20,000
9.1
8.1
6.8
5.4
4.0
2.7
1.3
3.5
3.2
2.6
2.1
1.6
1.0
0.5
TWO
10,000
8.8
7.9
6.6
5.3
3.9
2.6
1.3
MAN
CREW
4.1
3.7
3.1
2.4
1.8
1.2
0.6
PLUS
15,000
8.4
7.5
6.3
5.0
3.7
2.5
1.2
TWO
PASS
5.0
4.5
3.7
3.0
2.2
1.5
0.7
20,000
7.2
6.5
5.4
4.3
3.2
2.1
1.1
3.3
2.9
2.4
1.9
1.5
1.0
0.5
TWO
10,000
7.3
6.6
5.5
4.4
3.3
2.2
1.1
CREW
PLUS
3.7
3.3
2.8
2.2
1.7
1.1
0.5
THREE
15,000
6.9
6.2
5.2
4.1
3.1
2.0
1.0
PASS
4.4
3.9
3.3
2.6
2.0
1.3
0.6
20,000
6.0
5.4
4.5
3.6
2.7
1.8
0.9
3.0
2.7
2.3
1.8
1.4
0.9
0.4
TWO
10,000
6.3
5.7
4.7
3.8
2.8
1.9
0.9
MAN
CREW
3.4
3.0
2.5
2.0
1.5
1.0
0.5
PLUS
15,000
5.9
5.3
4.4
3.5
2.6
1.7
0.9
FOUR
PASS
3.9
3.5
2.9
2.3
1.7
1.2
0.6
20,000
5.1
4.6
3.8
3.1
2.3
1.5
0.7
2.8
2.6
2.1
1.7
1.3
0.8
0.4
TWO
10,000
5.5
4.9
4.1
3.3
2.5
1.6
0.8
MAN
CREW
3.1
2.8
2.3
1.9
1.4
0.9
0.5
PLUS
15,000
5.1
4.6
3.8
3.1
2.3
1.5
0.7
FIVE
PASS
3.5
3.2
2.6
2.1
1.6
1.0
0.5
20,000
4.5
4.0
3.4
2.7
2.0
1.3
0.7
2.7
2.4
2.0
1.6
1.2
0.8
0.4
TWO
10,000
4.9
4.4
3.7
2.9
2.2
1.4
0.7
MAN
CREW
2.9
2.6
2.2
1.7
1.3
0.9
0.4
PLUS
15,000
4.5
4.1
3.4
2.7
2.0
1.3
0.7
SIX
PASS
3.2
2.9
2.4
1.9
1.4
0.9
0.5
20,000
4.0
3.6
3.0
2.4
1.8
1.2
0.6
NOTES:
1. Top figures indicate 100 percent oxygen mode.
2. Bottom figures indicate normal oxygen, diluter-demand mode.
3. For conservative time estimates, use next lower gage pressure.
AP 006280.8
2-49
