TM 11-6605-202-12/TO 5N3-3-10-1
INTRODUCTION (continued)
B-1. Maintenance Allocation Chart (continued)
(b) Less than Company Size Aviation Units: Aviation elements organic to brigade, group,
battalion headquarters, and detachment size units are normally small and have less than ten aircraft
assigned. Maintenance tasks performed by these units will be those which can be accomplished by the
aircraft crew chief or assigned aircraft repair person and will normally be limited to preventive
maintenance, inspections, servicing, spot painting, stop drilling, application of nonstress patches, minor
adjustments, module/component fault diagnosis, and replacement of selected modules/components.
Repair functions will normally be accomplished by the supporting AVIM unit.
(2) Aviation Intermediate Maintenance (AVIM) provides mobile, responsive "One-Stop" mainte-
nance support. (Maintenance functions which are not conducive to sustaining air mobility will be assign-
ed to depot maintenance.) AVIM may perform all maintenance functions authorized to be done at AVUM.
Repair of equipment for return to user will emphasize support or operational readiness requirements.
Authorized maintenance includes replacement and repair of modules/components and end items which
can be accomplished efficiently with available skills, tools, and equipment. AVIM establishes the Direct
Exchange (DX) program for AVUM units by repairing selected items for return to stock when such repairs
cannot be accomplished at the AVUM level. The AVIM level inspects, troubleshoots, performs diagnostic
tests, repairs, adjusts, calibrates, and alines aircraft system modules/components. AVIM units will have
capability to determine the serviceability of specified modules/components removed prior to the expira-
tion of the Time Between Overhaul (TBO) or finite life. Module/component disassembly and repair will
support the, DX program and will normally be limited to tasks requiring cleaning and the replacement of
seals, fittings, and items of common hardware. Airframe repair and fabrication of parts will be limited to
those maintenance tasks which can be performed with available tools and test equipment. Unserviceable
repairable modules/components and end items which are beyond the capability of AVIM to repair will be
evacuated to Depot Maintenance. AVIM will perform aircraft weight and balance inspections and other
special inspections which exceed AVUM capability. Provides quick response maintenance support, in-
cluding aircraft recovery and air evacuation, on-the-job training, and technical assistance through the use
of mobile maintenance contact teams. Maintains authorized operational readiness float aircraft. Provides
collection and classification services for serviceable/unserviceable material. Operates a cannibalization
activity in accordance with AR 710-2. The aircraft maintenance company within the maintenance battalion
of a division will perform AVIM functions consistent with air mobility requirements and conservation of
personnel and equipment resources. Additional intermediate maintenance support will be provided by the
supporting nondivisional AVIM unit.
B-2. Use of the Maintenance Allocation Chart (Sect. 11)
(The following note shall be included only if applicable.)
NOTE
Nomenclatures used throughout the MAC are approved item names. Those terms/nomenclatures ex-
pressed in parentheses are generic in nature and are not to be considered as official terminology.
a. The Maintenance Allocation Chart assigns maintenance functions to the lowest category of
maintenance based-on past experience and the following considerations:
(1) Skills available.
(2) Work time required.
(3) Tools and test equipment required and/or available.
B-2
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