AOG stands for aircraft on ground. It is the term used when an aircraft has a maintenance or technical problem serious enough that it cannot legally or safely fly until the issue is fixed. It is different from a weather delay or a crew issue. An AOG is about the aircraft itself, and until it is resolved that specific tail number stays where it is.
Modern private jets are maintained to demanding schedules, but they are complex machines. A warning indication, a component that fails a check, or an inspection finding can all take an aircraft out of service. When that happens, a responsible operator grounds the aircraft rather than flying it with a question mark over it. The grounding is not the failure. It is the safety system working exactly as it should. It is always better for an aircraft to be on the ground than for a doubt to be carried into the air.
If an aircraft goes AOG close to your departure, the work is to recover the trip: to source a replacement aircraft of the same category or better, as quickly as possible, and to keep you informed the entire time. Speed and reach are everything here. The more aircraft you can call on, and the more directly you can reach the operators, the faster a strong alternative appears. This is where an advisory with genuine breadth earns its place, because the difference between a smooth recovery and a ruined day is measured in how fast the right aircraft can be found and positioned.
On a private jet charter, the operator is responsible for providing the flight you contracted, or a suitable alternative if their aircraft becomes unavailable. A technical problem on their side should not become a bigger bill on yours. This is exactly where transparency matters. If a recovery changes anything about the arrangement, you should see the real numbers, in full, and understand precisely what you are paying for and what you are not. Nothing hidden, nothing quietly added.
Because we work operator direct, with access to nearly four thousand aircraft worldwide, we can move quickly to reposition a trip when it matters most. And because we are paid a flat advisory fee rather than a percentage of your flight, we have no incentive to do anything other than get you moving again on the best possible terms. You get one point of contact who stays with the situation from the first call to the moment you are back in the air, and the operator remains accountable for the aircraft throughout.
The time to think about AOG is before it happens. It is fair to ask how deep an operator's fleet is, whether they hold recovery or interchange arrangements with other carriers, and whether the obligation to provide an alternative aircraft is written into the contract. Good answers to those questions are a quiet sign of an operation that takes your time as seriously as its own.
What does AOG mean?
AOG stands for aircraft on ground. It means a jet is grounded and unable to fly, usually for a technical or maintenance reason, until it is cleared to return to service.
What happens if my private jet goes AOG before my flight?
If your aircraft goes AOG, your flight cannot depart on that jet. A good advisor sources a replacement aircraft quickly so your trip still goes ahead, ideally at no extra cost to you.
Who pays if a private jet goes AOG?
That depends on the operator's terms. With a transparent advisor managing the trip, the aim is to move you to another aircraft at the agreed price and protect you from surprise charges.
How common is AOG in private aviation?
It is uncommon but it does happen, which is why it matters that whoever arranges your flight has the reach to find a replacement aircraft fast.
How do I stop AOG ruining my trip?
You cannot prevent a mechanical issue, but you can book through an advisor with wide operator access who can re-source an aircraft quickly if one goes AOG.
Booking through an advisor with wide operator access is your best protection if a jet goes AOG. See the red flags to watch for before you book.
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