High altitude operations Flashcards
1
Q
Define Mach
A
the ratio of speed of sound of a body in the surrounding medium
2
Q
Subsonic
A
0.75 mach
3
Q
Transonic
A
0.75-1.2 mach
4
Q
Supersonic
A
1.2-5 mach
5
Q
Hypersonic
A
5+ mach
6
Q
What variable affects mach number?
A
temperature