DATA ITEM DESCRIPTION
Title: HIGH-ALTITUDE EMP (HEMP) HARDNESS MAINTENANCE AND
HARDNESS SURVEILLANCE (HM/HS) PLAN
Number: DI-EMCS-81855 Approval Date: 20111128
AMSC Number: 9235 Limitation: N/A
DTIC Applicable: Yes GIDEP Applicable: N/A
Defense Technical Information Center
Attn: DTIC-OMI
8725 John J. Kingman Road, Ste 0944
Fort Belvoir VA 22060-6218
Office of Primary Responsibility: DS
Applicable Forms: None
Use/Relationship:
The High-Altitude EMP (HEMP) Hardness Maintenance and Hardness Surveillance (HM/HS)
Plan describes HM and inspection procedures, HS test procedures, re-verification test
procedures, supply support and training requirements, and technical data requirements for
implementing the HM/HS Program described in MIL-STD-3023, section 5.8. The purpose of the
HM/HS program is to ensure that the hardening is preserved throughout the service life of the
aircraft.
A HEMP HM/HS Program is required to mitigate degradation in the aircraft’s HEMP Protection
Subsystem (HPS) that occurs over the life-cycle. The Plan provides the means for the
government to ensure that government prescribed methods and procedures are used by aircraft
maintainers and that fielded aircraft undergoing planned modifications and subject to normal
wear and tear remain HEMP-survivable over their life-cycle.
1. This DID contains the format and content preparation instructions for data resulting from the
work tasks described in section 5.8 of MIL-STD-3023 and is intended for aircraft systems. It is
normally applied immediately after aircraft are delivered to a user command.
2. This DID is related to DI-EMCS-81847, DI-EMCS-81849, DI-EMCS-81850, DI-EMCS-
81852 and DI-EMCS-81854.
Requirements:
1. Reference documents. The applicable issue of the documents cited herein, including their
approval dates and any applicable amendments, notices, or revisions shall be as cited in ASSIST
Online (https://assist.daps.dla.mil/online/start/) at the time of the solicitation or, for non-
ASSIST-listed documents, as stated herein. The High-Altitude EMP Hardness Maintenance and
Hardness Surveillance Plan classification shall be determined using DNA-EMP-1,
Electromagnetic Pulse (EMP) Security Classification Guide (U) available by mail request to
ATTN: RD-NTSA/Rooney M., Defense Threat Reduction Agency, 8725 John J. Kingman Road,
MSC 6201 Fort Belvoir, Virginia 22060-6201, and any relevant system specific classification
guides.
2. Format. The Plan shall be in contractor format.
Downloaded from http://www.everyspec.com
