# AOG (Aircraft On Ground)

*Last updated: 2026-06-16*

> A hydraulic valve missing in Jakarta, an aircraft sitting idle, and mounting losses by the hour – this is the AOG scenario.

A hydraulic valve missing in Jakarta, an aircraft sitting idle, and mounting losses by the hour – this is the AOG scenario. AOG (Aircraft On Ground) is an aviation emergency status indicating that an aircraft cannot operate due to a technical failure or missing component, requiring the fastest possible logistics response to return it to service. Airlines and MRO (Maintenance, Repair & Overhaul) operators treat AOG as the highest operational priority, instantly overriding standard freight queues. Dedicated AOG desks run around the clock, coordinating expedited airfreight, on-board couriers, and fast-track customs clearance in parallel rather than in sequence. The term is specific: AOG ties a shipment directly to a grounded aircraft and triggers a different class of response compared with general time-critical freight.

**Source:** [https://www.iata.org](https://www.iata.org)

## Quick Facts

| Property | Value |
|---|---|
| Term | AOG (Aircraft On Ground) |
| Language | EN |
| Word count | 123 |
| Last updated | 2026-06-16 |
| Source | https://www.iata.org |

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