APPROACH_COUPLER

6 codes

** APPROACH COUPLER
A IN USE-ALL COMPONENTS
B IN USE-PARTIAL COMPONENTS
C INSTALLED-NOT USED
D NOT INSTALLED
E INSTL-OPERATION/USE UNKOWN

Source

Codes verbatim from the ct_Pre1982 table of PRE1982.MDB — the FAA-distributed pre-1982 NTSB aviation accident database. Used internally by the Atlas to decode legacy accident records on every pre-1982 NTSB event page.