DAFI21-101_AMCSUP_DOVERAFBSUP — Aircraft and Equipment Maintenance Management

DAFI21-101_AMCSUP_DOVERAFBSUP governs aircraft and equipment maintenance management and Dover-specific maintenance processes and procedures.

Search DAFI21-101_AMCSUP_DOVERAFBSUP

  • Publication number: DAFI21-101_AMCSUP_DOVERAFBSUP
  • Title: Aircraft and Equipment Maintenance Management
  • Date: 2026-02-06

View DAFI21-101_AMCSUP_DOVERAFBSUP on armypubs.army.mil

It addresses flight-deck communications security, discrepancy reviews, repair-cycle asset inspections, engine-run proficiency, and operational and functional check flights. The publication requires specific reviews, authorizations, documentation, and proficiency before designated maintenance activities.

Applies to: This publication is applicable to all units on Dover Air Force Base.

Topics covered

  • Flight-deck communication devices
  • Aircraft discrepancy reviews
  • Repair-cycle asset inspections
  • Engine-run proficiency
  • Operational check flights
  • Ram Air Turbine checks

Questions and answers

What equipment must maintenance personnel remove from the flight deck during classified communications?

Group personnel will remove all E- tool laptops and Infrared (IR) or Radio Frequency (RF) communication devices such as cell phones from the flight deck.

When is independent screening and validation required after maintenance or downtime?

An independent screening and validation shall be performed following any extensive maintenance event and/or period of downtime in excess of 30 days.

How much FMxC2 history must be reviewed for recurring or repeated discrepancies?

A 90-day minimum FMxC2 history will be reviewed for trends or similar system discrepancies.

What proficiency is required to run engines at Dover Air Force Base?

Personnel who do not meet the 120-day proficiency requirement will not be permitted to run engines.

Who may sign condition tags for repair cycle assets?

Only these authorized maintenance inspectors will sign condition tags (i.e. DD Form 1574/1574-1, DD Form 1575/1575-1, DD Form 1576/1576-1, DD Form 1577/15771/1577-2/1577-3). (paragraph 4)

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