APPENDIX  I GLOSSARY ABO—Aviators’  breathing  oxygen. ACC—Aircraft  controlling  custodian. ACCUMULATORS—Shock  absorber,  storage  cell. AD—Aviation  Machinist’s  Mate. ADP—Automatic  data  processing. ADRL—Automatic  distribution  requirements  listing. AE—Aviation  Electrician’s  Mate. AEPS—Aircrew escape propulsion systems. AFFF—Aqueous film-forming foam. AIMD—Aircraft intermediate maintenance department. AIR—Aircraft inventory record. AK—Aviation   Storekeeper. ALPHABETIC  SEQUENCE—A    sequence    that begins at the extreme left-hand position beginning with the letter A and progresses through 2 from left to right, one position at a time, until all positions of the group of letters have been considered. AM—Aviation  Structural  Mechanic. AME—Aviation     Structural     Mechanic,     Safety Equipment. AMH—Aviation  Structural  Mechanic,  Hydraulics. AMS—Aviation  Structural  Mechanic,  Structures. AMSU—Aeronautical  material  screening  unit. AO—Aviation   Ordnancemen. AR—As  required. AS—Aviation  Support  Equipment  Technician. ASD—Aviation support division. ASG—Afloat  Shopping  Guide. ASO—Aviation  Supply  Office. ASR—Assembly  service  record. AT—Aviation  Electronics  Technician  (I-Intermediate Level  Specialty/O-Organizational  Level Specialty). AUTODIN—Automatic Digital Network. AWM—Awaiting   maintenance. AWP—Awaiting  parts/aircraft  awaiting  parts. AWSE—Armament  weapons  support  equipment. BCM—Beyond  capability  of  maintenance. BUNO—Bureau  number  (aircraft). CAD—Cartridge-actuated   device. CAGE—Commercial    and    Government    Entity. Replaced  Manufacturer’s  code.  A  five-position code  assigned  to manufacturer’s   and nonmanufacturer’s organizational entities and contractors of items procured by agencies of the Federal  Government. CCS—Component  control  section. CDI—Collateral  duty  inspector. CDQAR—Collateral duty quality assurance representative. CECR—Change Entry Certification Record. CER—Complete engine repair. CERRC—Complete   Engine   Repair   Requirement Card. CFA—Cognizant  field  activity. CFE—Contractor-furnished   equipment. CNO—Chief  of  Naval  Operations. CO—Commanding   officer. COG—Cognizant. COMNAVAIRSYSCOM —Commander,  Naval  Air Systems Command. CPO—Chief  petty  officer. CRIPL—Consolidated remain in place list. CTPL—Central  technical  publications  library. CV—Aircraft carrier. DAR—Defense  acquisition  regulations. DCNO(AIR) —Deputy Chief of Naval Operations for Air. AI-1