What does CD stand for?

Clearance Delivery (aviation)

This definition appears very rarely and is found in the following Acronym Finder categories:

Military and Government
Science, medicine, engineering, etc.

Other Resources:

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Samples in periodicals archive:

Instant content clearance delivery options for requested online content include email and Web reprints.

iCopyright Offers Instant Online Content Clearance Service to ...

First, pilots must contact Clearance Delivery to obtain clearance to fly in the Las Vegas airspace.

Calling All Pilots At COMDEX -- Stop by to Try the First-Ever ...

85 million, includes a Raytheon AutoTrac Air Traffic Control (ATC) system, which handles airport control tower functions such as clearance delivery, taxiway control, de-icing management, and inbound/outbound control functions.

Raytheon Electronic Systems provides air traffic control workstations ...