operational control

2 articles

MEL Deferral Management: A Dispatch Handoff Checklist

A 2026 MEL deferral management guide for US Part 121 and 135 teams: approved-data handoffs, repair intervals, release coordination, vendor evidence and interface acceptance tests.

October 14, 2026• 22 min read

mel deferral managementmel deferral proceduremel dispatch requirements

Part 121 Dispatch Release Changes: Signature to Departure

A 2026 analysis of Part 121 dispatch release changes, covering continuing information duties, signatures, release version control, source timestamps and copyable handoff tests for domestic and flag operators.

October 12, 2026• 26 min read

part 121 dispatch release changesdispatch release amendmentsdispatch release signatures