APPENDIX   I GLOSSARY ACCOUNTABILITY—The  obligation  imposed  upon any person authorized to have public property in custody  or  possession,  or  to  produce  the  property, or  evidence  of  its  authorized  disposition  when directed   by   proper   authority   or   upon   proper occasion. ACCOUNTABLE   OFFICER—An   individual appointed  by  proper  authority  who  maintains inventory  or  financial  records,  or  both,  in  con- nection with government property, whether the property is in that individual’s possession for use or storage or in the possession of others to whom it has been  officially  entrusted  for  use  or  care  and safekeeping. ACCOUNTABLE   ACTIVITY—An   activity   that receives and issues material in and out of a stores account  (Navy  Stock  Account  or  Appropriation Purchases  Account),  such  as  special  accounting class  (SAC)  207  activities. ACCOUNTING PERIOD—A definite period of time, the beginning of which is fixed either by law or by administrative  action,  for  assembling,  recording,  or reporting  accounting  data. ACTIVITY ADDRESS CODE—A six-character code that consists of the Service code (N, R, or V) and the  Unit  Identification  Code  (UIC),  which  identifies a specific activity and translates to a clear text address. AERONAUTICAL port equipment, similar devices. AERONAUTICAL EQUIPMENT—Aircraft,  sup- aviator’s equipment, and other MATERIAL—All   the   material used in the operation and maintenance of aircraft. AIRCRAFT   EQUIPMENT   CONFIGURATION LIST—A  listing  of  the  avionics  components installed  in  aircraft,  cross-referenced  to  applicable allowance requirements registers, that contain the support  requirements  for  outfitting  purposes. AIRCRAFT   CONTROLLING   CUSTODIAN (ACC)—The air commands and Naval Air Systems Command  (NAVAIR)  that  exercise  administrative control of assignment, employment, and logistics support of certain aircraft and aircraft engines as specified by the CNO. ALLOWANCE  LIST—A  list  of  documents  specifi- cally   tailored   to   an   activity   that   identifies items/parts  needed  for  support  of  maintenance  or supply  mission. ALLOWANCE   ITEMS—Items   that   appear   in authorized allowance documents, such as COSAL, SHORCAL,  and  AVCAL,  with  an  allowed  quantity. ALLOWED  ITEMS—Items,  both  allowance  and nonallowance, that qualify for local stock or items authorized to be procured as DTO material for immediate  or  planned  use. APPOINTING    AUTHORITY—An    individual designated  in  writing  by  the  approving  authority. The  appointing  authority  appoints  financial liability, if required, and recommends actions to the responsible  officer. APPROVING   AUTHORITY—The   individual   who makes determination to relieve involved individuals from  responsibility  and/or  accountability  or  to approve  assessment  of  financial  liability.  The approving  authority  may  act  as  the  appointing authority  or  designate  an  appointing  authority in   writing.   The   approving   authority   is   the commanding  officer  unless  specified  by  other directives. AUTOMATED   ACTIVITIES—Activities   equipped with  an  Electronic  Digital  Computer  (EDC)  system for processing supply and accounting documents and  records. AVIATION    CONSOLIDATED    ALLOWANCE LIST—A   consolidated   listing   of   components, repair parts, and consumable items required for a mobile   activity   (ashore   or   afloat)   to   perform aviation  organizational  and  intermediate  level maintenance  in  support  of  assigned  aircraft. AVIATION  CAPABLE  SHIP—A  nonaviation  ship that can be used as an aviation operating platform. BAR  CODE—A  method  of  labeling  material  that provides   for   automated   data   collection   for processing material receipts, issue transactions, and inventory  of  stowed  materials.  The  labels  consist  of AI-1