Nobody should ever worry about having to file a report if they think it's warranted. It's the classification of the report which is the important thing, especially for ATC who have a mandatory 'removal from duty' for most types of incident.
In other words, if in your opinion there was no collision risk or the safety of your aircraft was not compromised, then don't file an AIRPROX. Use an alternative such as an ACAS report, which is available from the CAA.
Of course none of this should override what company procedures require, but it may stimulate companies to look at using various levels of reporting to acheive the same data collection requirements.
Capt Pit Bull
The only people who can decide if it was an AIRPROX or not are the pilot or controller who file it. What the investigators will do is decide on the risk classification. Although I have heard anecdotal tales of people being asked to reconsider filing an AIRPROX, at the end of the day it is the filers decision, 100%.
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10 West
UK ATC'er
[email protected]