What Is an AOG Courier? The Complete Aviation Emergency Delivery Guide

In aviation, three letters turn a normal Tuesday into an emergency: AOG. Aircraft on Ground means a plane is grounded, maintenance can't release it, and the part needed to fix it is somewhere else in the country. Until that part arrives, the aircraft earns nothing, the schedule collapses, and passengers are rebooked. This guide explains what an AOG courier actually does, why the role is specialised, and what to look for when you choose one.

What does AOG actually mean?

An aircraft is declared AOG when a fault, damage, or a missing component prevents it from flying, and the aircraft operator's own stores can't supply the required part. The response is a race: locate the part — at another airline's stores, a distributor, a repair shop, or the manufacturer — and move it to the aircraft as fast as physically possible. Downtime costs are famously severe, running from thousands into tens of thousands of pounds per hour depending on the aircraft type, which is why AOG logistics is judged on one metric above all: elapsed time from call to handover.

Why AOG needs a specialist courier

A normal delivery service can't handle an AOG run, for three reasons. First, speed: an AOG part doesn't go into a network with collection cut-off times. It needs a dedicated vehicle dispatched immediately — ours collect within 60 minutes of a confirmed booking, 24 hours a day, including bank holidays. Second, airports are secure environments: deliveries often need drivers who are cleared and familiar with airside procedures at major UK airports. Third, high-value parts — avionics, engine components, tooling — demand goods-in-transit insurance and careful chain-of-custody handling, not a plastic parcel bag.

How an AOG run works, step by step

• Call dispatch. A human answers 24/7 and takes the part details, collection point, destination airport, and required handover time.
• Immediate dispatch. The nearest suitable vehicle is assigned. You receive driver and vehicle details within minutes of booking.
• Collection within 60 minutes. The driver collects from the supplier's stores, repair shop, or another airport and signs for the part.
• Direct transit. The vehicle drives straight to the destination — no hub, no consolidation, no other consignments. A London-to-Manchester transit typically takes 3–4 hours door to door.
• Handover and POD. The part is delivered to engineering or stores, and a signed digital proof of delivery with timestamps is emailed to you on completion.

What travels on AOG runs

Typical AOG consignments include engine and APU components, wheels and brakes, avionics units, hydraulic and pneumatic parts, aircraft tooling and calibration equipment, and the paperwork that travels with certified parts. Sizes range from a component small enough for a motorcycle courier to a palletised APU module needing a Luton van with tail lift. The right vehicle is matched to the load at dispatch.

Choosing an AOG courier: five questions to ask

• Is the dispatch desk genuinely staffed 24/7/365 — including nights, weekends, and bank holidays?
• Is the vehicle dedicated to your consignment, or is your part being consolidated with other freight?
• What is the guaranteed collection time after a confirmed booking?
• Are drivers DBS-checked and experienced with airport and airside handover procedures?
• Is goods-in-transit insurance included, and does every job close with a signed digital proof of delivery?

Same Day Express Couriers handles AOG runs to all major UK airports with immediate dispatch and direct dedicated transit. If you have an aircraft on ground right now, don't read further — call 020 4568 4675 and speak to dispatch.