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Despite the filtering, this can still be quite a lot of messages, so we offer sub-feeds on our Mastodon instance dedicated to specific keywords/topics.

On each posted message you’ll see Area, Type, #A, and #F.

Area is the location where the ACARS message was received — for example, the skies above Seattle. Type is the type of aircraft.

To protect the innocent, we have #A and #F.

#A = the ABSURD, our unique identifier for a given aircraft.

#F = the FARCICAL, our unique identifier for a given flight.

The ABSURD and FARCICAL let you see threads of related messages without disclosing the aircraft registration or flight number.