RA Governmental & Military Abbreviation

Also known as: RA#, RA...

RA has various meanings in the Governmental & Military category. Discover the full forms, definitions, and usage contexts of RA in Governmental & Military.

Resolution Advisory

Most Common

This is an advisory from a Traffic Collision Avoidance System (TCAS) given to the flight crew recommending either a manoeuvre intended to provide separation from all traffic threats or a manoeuvre restriction intended to maintain existing separation.

Governmental & Military
Radio Altitude

The height of an aircraft above terrain immediately below the it taken from a Radio Altimeter.

Governmental & Military
Registration Authority

A registration authority (RA) is an authority in a network that verifies user requests for a digital certificate and tells the certificate authority (CA) to issue it. RAs are part of a public key infrastructure (PKI), a networked system that enables companies and users to exchange information and money safely and securely. The digital certificate contains a public key that is used to encrypt and decrypt messages and digital signatures.

Governmental & Military
Rally America
Governmental & Military
Risk Assessment

Process of analyzing threats to and vulnerabilities of an information system, and the potential impact resulting from the loss of information or capabilities of a system. This analysis is used as a basis for identifying appropriate and cost-effective security countermeasures.

Governmental & Military
Radar Altitude

The altitude of an aircraft as determined by radar–type radio altimeter thus the actual distance from the nearest terrain feature.

Governmental & Military
Ranger
Governmental & Military
Registry Agent
Governmental & Military
Resident Authority
Governmental & Military
Resident Agency
Governmental & Military

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