Aviation Term Of The Day - AOG (Aircraft on Ground)

Grounding essentially means to prohibit an aircraft or member of an aircrew from flying. Which in this case, directly translates as an 'aircraft being grounded'. Just as pilots are grounded after failing medical examinations or breaking standard operating procedures, so do aircraft.
 Aircraft are meant to be flying and not at rest on the ground. Therefore an aircraft on the ground (AOG) or a grounded airplane implies that the aircraft has been grounded due to a technical snag (which is largely the case) or as a result to failure to meet certain standards that may deem the aircraft unfit to fly.

 When an aircraft is inoperative, it is required to undergo several corrective maintenance checks which can further be classified into three types. A,B,and C checks. AOG Spares are usually transported to the station where the aircraft has been grounded, if necessary.The airplane is then granted the permit to resume flying after completing all the necessary checks.
 On the other hand, an AOG may be as a result of a carrier/airline's inability to comply with the set standards or when an aircraft looses it's airworthiness. Grounding an aircraft is another form of sanction in the airline industry.It's very simple. Break a rule,and get grounded.



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