A lighter-than-air aircraft that can be propelled forward through the air as well as steered.
A police air unit, a police helicopter
Any aircraft.
A high ranking official of the RAF, viewed as arrogant and distant.
To transport goods by aircraft.
An aircraft that can travel at the speed of sound.
Ultrasonic, having a frequency too high to be audible.
Greater than the speed of sound (in the same medium, and at the same temperature and pressure).