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FF-ICE Flight Plan Revisions: An OCC Reconciliation Contract

FF-ICE flight plan revisions in 2026 for EU, Norway and Swiss IFR: GUFI, version +1 rule, ACK/REJ plus filing status, 30-minute re-evaluation, and when a custom OCC ledger is needed.

October 19, 2026• 30 min read
ff-ice flight plan revisionsff-iceefpl