VIS_APPROCH_SLOPE

10 codes

** VISUAL APPROACH SLOPE INDICATOR
A AVAILABLE
B NOT AVAILABLE
C 2-BAR VASI
D 3-BAR VASI
E TRI-COLOR VASI
F T-VASI
G NOT INSTALLED
Y OTHER
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.