4-20
Oxygen System
Oxygen System
4-20-01
1.
Oxygen Pressure Gauge............
NOTE READING
2.
Outside Air Temperature.............
NOTE READING
3.
Percentage of Full Bottle.............
DETERMINE (refer to
4.
COMPUTE..................................
Oxygen Duration in minutes
−
Determine the Oxygen Duration in minutes for a full bottle for the
number of connected passenger oxygen masks and pilots from the
"Oxygen Duration with Full Bottle" graph (
).
−
Multiply the Full Bottle Duration by the percent of Usable Capacity to
obtain the available oxygen duration in minutes.
0
500
1,000
1,500
2,000
2,500
02 GAGE PRESSURE (PSIG)
10
20
30
40
50
60
70
80
PERCENT OF USEABLE CAPACITY (%)
OXYGEN AVAILABLE WITH PARTIALLY FULL BOTTLE
90
100
0
{ 0 °C (32 °F) }
{ -5 °C (-60 °F) }
{ 71 °C (160 °F) }
BOTTLE TEMPERATURE
PC12-C-A150420-A-S4080-00016-A-001-01
Figure 4-20-1: Oxygen Available with Partially Full Bottle
5.
OXYGEN SHUT-OFF lever.........
ON
Continued on next page
Section 4 - Normal Procedures (EASA Approved)
Oxygen System
Pilot's Operating Handbook
Report No: 02406
Issue date: Mar 06, 2020
Page 4-20-1
12-C-A15-30-0420-00A-131A-A
FOR
GENERAL
AND
FAMILIARIZATION
PURPOSES
ONLY
