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DELAY COUNTDOWN TIMER (DCT)

Pilot/Controller Glossary with JO 7110.65BB, Change 3, effective July 9, 2026 · Official text on faa.gov

The display of the delay that must be absorbed by a flight prior to crossing a Meter Reference Element (MRE) to meet the TBFM Scheduled Time of Arrival (STA). It is calculated by taking the difference between the frozen STA and the Estimated Time of Arrival (ETA).

Also called DCT.

In the 7110.65

Used in one paragraph of JO 7110.65BB.

  1. 11-1-3Time Based Flow Management (TBFM)