Anvil Cloud- NOUN
A cloud, usually a large dark thunder-cloud, which has the shape of an anvil
Aerial Display- NOUN
A display of flying skills and aircraft performance.
Acoustic Ear Muffs- PLURAL NOUN
Coverings to protect the ears from loud noise. Also called ear protectors, ear defenders.
ACN- ABBREVİATİON
This word is short for, Aircraft Classification Number.
ACMS – NOUN
A computer which records information from various aircraft systems during flight. Full form: Aircraft Condition Monitoring System