число Маха польоту; крейсерське число Маха
Mach / Mach number
airspeed/Mach (AS/MACH)
critical Mach number
indicated Mach number (IMN)
local Mach number
Mach number effect
Mach number of a wind tunnel
true Mach number (TMN)
supersonic speed (exceeds speed of sound / Mach 1)
Mach angle
Mach compression line
Mach cone
Mach rarefaction line
Mach front
Mach stem
Mach wave
Log number for this flight’s Blackbox log
flight restriction zone / flight restricted zone (FRZ)
code number
despatch number
equipment component number (ECN)
lay reference number
lot number
national stock number
NATO stock number (NSN)
reference number (order / message / report)
registration / identification number
series number
service number
sheet name / number
target number
main gun (cannon) number