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Aviation Intermediate Maintenance Manual - Radar Signal Detecting Set AN-APR-39(V)1

1-1. SCOPE. 
Type of Manual: Aviation Intermediate Maintenance 
Equipment Name and Model Number: Radar Signal Detecting Set AN/APR-39(V)1 
Purpose of Equipment: To receive and display to an aircraft pilot or other observer, 
about radar and tracking signals which may be a potential threat. 
1-2. MAINTENANCE FORMS, RECORDS, AND REPORTS. 
REPORT OF MAINTENANCE AND UNSATISFACTORY EQUIPMENT 
information 
Department of the Army forms and procedures used for equipment maintenance will be those 
prescribed by TM 38-750, The Army Maintenance Management System (TAMMS). Navy personnel will 
report maintenance performed utilizing the Maintenance Data Collection Subsystem (MDCS) IAW 
OPNAVINST 4790.2 Vol 3, and unsatisfactory material/conditions (UR submissions) IAW OPNAVINST 
4790.2, Vol 2, chapter 17. 
REPORT OF PACKAGING AND HANDLING DEFICIENCIES 
Fill out and forward SF 364 (Report of Discrepancy (ROD)) as prescribed in AR 735-11-2/DLAR 
4140.55/NAVMATlNST 4355.73/AFR 400-54/MCO 4430.3E. 
DISCREPANCY IN SHIPMENT REPORT 
Fill out and forward Discrepancy in Shipment Report (DISREP) (SF 361) as prescribed in 
AR 55-38/NAVSUPlNST 4610.33B/AFR 75-181MCO P4610.19C/DLAR 4500.15.

1-3. DESTRUCTION OF ARMY ELECTRONICS MATERIEL. 
Destruction of Army electronics materiel to prevent enemy use shall be in accordance with 
TM 750-244-2. 
14. PREPARATION FOR STORAGE AND SHIPMENT. 
For instructions covering preparation for storage and shipment, 
chapter 4, section VI. 
1-5. NOMENCLATURE CROSS-REFERENCE LIST. 
refer to TM 11-5841-283-12, 
This list contains common names used throughout this manual in place of official nomenclature.

1-6. REPORTING EQUIPMENT IMPROVEMENT RECOMMENDATIONS (EIR). 
If your AN/APR-39(V)1 needs improvement, let us know. Send us an EIR. You, the user, are the 
only one who can tell us what you don't like about your equipment. Let us know why you don't 
like the design. Put it on an SF 368 (Quality Deficiency Report). Mail it to Commander, US Army 
Communications-Electronics Command and Fort Monmouth, ATTN: DRSEL-ME-MP, Fort Monmouth, 
New Jersey 07703. We'll send you a reply. 
Navy personnel are encouraged to submit EIR's through their local Beneficial Suggestion Program. 
1-7. CALIBRATION. 
Calibration of comparator circuit cards 3A2 and 3A3 is required if indicated by troubleshooting. 
For calibration procedures, refer to TM 11-5841-283-34-2.