TB 1-1520-237-25-1
a. Army. A total of 30 each E/M/UH-60A/L Black Hawk aircraft within each CONUS ATCOM OLR region
(individual serial numbers to be determined by the appropriate owning units).
b. Navy: A total of 4 SH-60B/F and HH-60H Seahawk aircraft (individual serial numbers to be determined by
NAVAIRSYSCOM ) c. Air Force: Test criteria previously collected.
6.
Procedures.
a. GOVERNING POLICY
(1) APPLICABILITY.
(a) Inspection Intervals: All aircraft, except as noted in paragraph b, are to be evaluated each year
within a period of minus 6 months to plus 90 calendar days of either of the following dates:
[1] The calendar date of the expiration of the aircraft's Initial Operating Period (IOP).
[2] The calendar date of the annual anniversary of the IOP after the IOP has expired.
(2) EXCEPTIONS The following instances constitute the only approved exceptions to the policy provisions
specified in paragraph l.(a).
(a) Aircraft that have not yet reached the end of their IOP, which is defined as follows A period of 36
consecutive calendar months after having been placed into service from a new condition, or after having been placed
into service following the completion of an approved, comprehensive depot-level rework program (Standard Depot Level
Maintenance (SDLM) for Navy, On Condition Maintenance (OCM) for Army or Air Force; refurbishment for Army; Joint
Depot Level Maintenance (JDLM) for all).
(b) Aircraft that are accident, storm, crash and/or battle damaged, or undergoing a depot-level repair
operation to correct accident, storm, crash and/or battle damage Aircraft placed into service from the depot-level repair
action may be subject to remedial actions as defined in paragraph (4) (c) Aircraft undergoing a comprehensive, depot-
level modification action, approved by the affected service, where the induction date occurs prior to the minus 6-month
window, and/or the delivery date exceeds the plus 90-day window Aircraft placed into service from the depot-level
modification action may be subject to remedial actions as defined in paragraph (4)
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