A jet is cruising at an altitude of 10 kilometers (6.2 miles). Refer to the altitude versus air pressure graph below. What is the approximate air pressure where the jet is flying?
36
- 22
32
• 20
28
Capt. Kittinger, USAF 1961 31.3 km (102,800 ft).
Air pressure = 9.6 mb
18
16
24
Altitude (km)
14
20
6
Air pressure at top of Mt. Everest
(29,035 ft) is
314 mb
Altitude (miles)
12
50% of
atmosphere lies below this altitude
ー
10
8
6
200
400
600
Pressure (mb)
800
1000