Atlas/ Pre-1982 Codebook/ CONTROLLING_FACILITY
NTSB · Form 6120.4
CONTROLLING_FACILITY
CONTROLLING_FACILITY
13 codes
- ** CONTROLLING AGENCY
- A NO CONTROL
- B GROUND CONTROL
- C LOCAL CONTROL
- D APPROACH CONTROL-DEPARTURE
- E APPROACH CONTROL-LANDING
- F APCH CTL-TOWER EN ROUTE CTL
- G CENTER EN ROUTE
- H FLIGHT SERVICE STATION
- I TOWER
- J UNICOM
- K GCA
- Z UNKNOWN/NOT REPORTED
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.