MAINTENANCE ALLOCATION CHART (MAC) INTRODUCTION CONTINUED
them maintain operational readiness and aircraft availability. Utilizes SECM trucks. Capable of supporting
split based operations in two separate and distinct locations. Performs the following types of maintenance:
Intermediate maintenance and logistics support operations.
Maintenance actions which require more than 3 days to correct.
Phased maintenance and preventive maintenance services.
In-depth troubleshooting and diagnosis of airframe and component malfunctions.
Repairs airframes and LRU component.
Fixes night vision systems, aviation life support systems, aviation electrical and hydraulic components.
Limited capability to fabricate hydraulic lines.
Repairs engines, prop and rotors, armament, and armament subsystems.
Fixes and fuels organic battalion equipment, ground aviation vehicles, and aviation ground support
Operates and performs field maintenance on aviation ground power units, generator, and ground
Battle damage assessment and repair (BDAR).
Production control and quality control.
m. Test Pilot functions.
Theater Aviation Sustainment Maintenance Group (TASMG). Assists in deployment and redeployment,
provides technical assistance, supports increased operational tempo, sustains Army aviation across the en-
tire spectrum of operations. The TASMG:
Provides support to CONUS deploying forces
Provides support to OCUNUS deployed forces
OCONUS aviation maintenance support for contingency and stability and/or support operations.
Expands aviation maintenance capabilities of CONUS depots
Classifies and inspects aviation stocks and components.
Backup ASB and AMC maintenance functions.
Use of the MAC
Approved item names are used throughout this MAC. Generic terms/ nomenclature (if any) are
expressed in parentheses and are not to be considered as official terminology.
This MAC assigns maintenance functions to the lowest level of maintenance, based on past ex-
perience and the following considerations:
Work time required.
Tools and test equipment required and/or available.
Only the lowest level of maintenance authorized to perform a maintenance function is indicated. If the lowest main-
tenance level cannot perform all tasks of any single maintenance function (e.g., test, repair), then the higher main-
tenance level(s) that can accomplish additional tasks will also be indicated.
A maintenance function assigned to a maintenance level will automatically be authorized to be performed at any higher
A maintenance function that cannot be performed at the assigned level of maintenance for any reason may be evacu-
ated to the next higher maintenance level. Higher maintenance levels will perform the maintenance functions of lower
maintenance levels when required by the commander who has the authority to direct such tasking.