Atlas/ Pre-1982 Codebook/ TERRAIN_TYPE
NTSB · Form 6120.4
TERRAIN_TYPE
TERRAIN_TYPE
7 codes
- ** TERRAIN-TYPE
- A LEVEL, FLAT
- B ROLLING
- C HILLY
- D MOUNTAINOUS
- E SWAMPY/WATER
- F DENSE WITH TREES
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.