Beechcraft C-12C Operator And Technical Reference Manual page 100

TM 1-1510-218-10
Table 2-6. Oxygen Duration in Minutes for 49 Cubic Foot System (Continued)
TWO MAN CREW
PLUS FOUR PASS
TWO MAN CREW
PLUS FIVE PASS
TWO MAN CREW
PLUS SIX PASS
TWO MAN CREW
PLUS SEVEN PASS
TWO MAN CREW
PLUS EIGHT PASS
2-84
CABIN CREW MASK
PRESSURE CONDITION
ALTITUDE
31,000
20,000
20,000 NORMAL
15,000
15,000 NORMAL
10,000
10,000 NORMAL
31,000
20,000
20,000 NORMAL
15,000
15,000 NORMAL
10,000
10,000 NORMAL
31,000
20,000
20,000 NORMAL
15,000
15,000 NORMAL
10,000
10,000 NORMAL
31,000
20,000
20,000 NORMAL
15,000
15,000 NORMAL
10,000
10,000 NORMAL
31,000
20,000
20,000 NORMAL
15,000
15,000 NORMAL
10,000
10,000 NORMAL
TOTAL FLOW
LPM-NTPD
100% 23.2
100% 30.0
22.0
100% 33.8
25.0
100% 38.6
28.6
100% 26.9
100% 33.7
25.7
100% 37.5
28.7
100% 42.3
32.3
100% 30.6
100% 37.4
29.4
100% 41.2
32.4
100% 46.0
36.0
100% 34.3
100% 41.1
33.1
100% 44.9
36.1
100% 49.7
39.7
100% 38.0
100% 44.8
36.8
100% 46.6
39.6
100% 53.4
43.4
DURATION IN
MINUTES (1)
52.7
40.7
55.5
36.2
48.9
31.7
42.7
45.4
36.3
47.5
32.6
42.6
28.9
37.8
39.9
32.7
41.6
29.7
37.7
26.6
33.9
35.6
29.7
36.9
27.2
33.8
24.6
30.8
32.2
27,3
33.2
25.1
30.7
22.9
28.2