APPENDIX I GLOSSARY

APPENDIX I GLOSSARY ABE—Aviation Boatswain's Mate (Launching and Recovery Equipment). ABRASION—Wearing away of a surface by friction, either by motion while in contact with another part or by mechanical cleaning or resurfacing with abrasive cloth or compound. ac—Alternating current. ACHO—Aircraft Handling Officer. ACNO—Assistant Chief of Naval Operations. ACTIVATE—To put into action mechanically. ACTUATE—To put into action electrically. ADP—Automated Data Processing. AEL—Allowance Equipage List. AIMD—Aircraft Intermediate Maintenance Depart- ment. ALINEMENT—Parts in correct related positions as specified on manufacturing drawings. ALRE—Aircraft Launch and Recovery Equipment. ALREMP—Aircraft Launch and Recovery Equipment Maintenance Program. AMBIENT TEMPERATURE—The surrounding temperature. APL—Allowance Parts List. ASG—Afloat Shopping Guide. ATMOSPHERIC PRESSURE—The normal pres- sure of the air at sea level (14.7 psi). AWM—Awaiting Maintenance. AWP—Awaiting Parts. AWR—Automated Work Request. BACK OUT—To remove a screw or other threaded part from its fully torqued or set position. BINDING—The stopping or the slowing down of motion between two surfaces because of foreign matter, poor alinement of ports, unequal expansion, or unequal wear between surfaces. BRAZE—To join two metals by intense heat and the application of a hard solder containing brass. BRINELLING—A displacement or flow of metal rather than a loss of metal due to wear. BULB SIDE—The side of the launching-engine cylinders that mates directly with the cylinder covers and is opposite the sealing-strip side. BUR—A sharp projection of metal from an edge, usually the result of drilling, boring, counter- sinking, and so forth, but may also be caused by excessive wear of one or both surfaces adjacent to the burred edge. CAFSU—Carrier and field service unit. CALIBRATION—To check, fix, or correct the graduation of a measuring instrument. CALIPERS—An instrument composed of two curved hinged legs, used for measuring internal and external dimensions. CASREP—Casualty Report. CAUTION—An emphatic notice requiring correct operating or maintenance procedures to prevent damage to equipment. CDI—Collateral Duty Inspector. CDP—Cross Deck Pendant. CDQAI—Collateral Duty Quality Assurance In- spector. CHAMFER—To bevel to a sharp external edge. CHARGE—To pressurize a hydraulic or pneumatic system with fluid or air. CHATTER—Vibration caused by uneven motion of a machine, possibly resulting in damage to parts. CIRCUMFERENCE—A line around a closed figure of area. CNO—Chief of Naval Operations. COGNIZANT—Pertaining to the responsible upper authority who can make a final decision on a specific matter. AI-1