16 Important Aircraft Parts Sales & Core Exchange Terms

ARO —After Receipt of Order

Part order must be placed prior to part being shipped. An ARO quote is good for a limited time only.

AOG—Aircraft On Ground

Aircraft On Ground.

AR—As Removed

The part is being sold in the condition it was in when removed from the aircraft.

Consignment Inventory

Parts are being sold on behalf of someone else. Consignment Inventory parts may not have traceability.

C—Core

Unit or part being returned from an exchange sale.

ETA— Estimated Time of Arrival

Estimated time when a part will arrive.

Exchange

A unit or part sold to a customer in exchange for the same core unit in return.

Late Fees

Additional charges for core returns being returned late. Most vendors give 14 or 21 days to return core units, after which extended use fees, late fees and even outright billing may apply.

LT—Lead Time

Amount of time until the unit or part is available for shipment.

OEM

Original Equipment Manufacturer.

Outright Sale

No core return is expected from the customer (i.e. not an exchange unit).

OHC—Overhauled

A unit or part repaired per an overhaul manual.

SVC—Serviceable

A unit repaired to satisfy a declared squawk only. It is not an overhauled unit.

Squawk

Explanation or description of why a unit has failed.

WOR—Work Out of Repair

Unit needs repair attention before it is available for sale.