operational deviation

operational deviation (OD)

An operational deviation occurs when a controller allows an aircraft to enter an airspace managed by another controller without prior coordination and approval. An operational error occurs when an air traffic controller does not maintain minimum separation requirements between aircraft. An operational deviation is an occurrence where applicable separation minimums, as referenced in the operational error, were maintained, but:
i. Less than the applicable separation minima existed between an aircraft and protected airspace without prior approval.
ii. An aircraft penetrated airspace that was delegated to another position of operation or another facility without prior coordination and approval.
iii. An aircraft penetrated airspace that was delegated to another position of operation of another facility at an altitude or route contrary to the altitude or route requested and approved in direct coordination or as specified in a Letter of Agreement, precoordination, or internal procedure.
iv. An aircraft, vehicle, equipment, or personnel encroached upon a landing area that was delegated to another position of operation without prior coordination and approval.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
There are two broad categories of deals: the Operational Deviation (OD) and Operational Error (OE).
Until then your guess is as good as ours as to how much of a problem operational deviations and operational errors are--and whether they are getting worse with the recent push to get new controllers trained and certified.
The FAA metrics are built into the contract, and include things like response time, pilots served, accuracy of PIREPS, accuracy of pilot weather briefings, and operational deviations or errors (more on that in a bit).
Scovel's summary did not cite examples but contained statistics showing that, from November 2005 to July 2007, Dallas-Fort Worth's TRACON management misclassified 52 controller operational errors and 10 operational deviations as pilot deviations or non-events.
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