OBSTRUCT_VISION
OBSTRUCT_VISION · 12 codes · NTSB Form 6120.4
Verbatim from the ct_Pre1982 table of
PRE1982.MDB, the FAA-distributed pre-1982 NTSB accident database; used to decode every pre-1982 NTSB event page.
- ** OBSTRUCTIONS TO VISION AT ACCIDENT SITE
- A DUST
- B FOG
- C GROUND FOG
- D HAZE
- E ICE FOG
- F SMOKE
- G BLOWING DUST
- H BLOWING SAND
- I BLOWING SNOW
- J NONE
- Z UNKNOWN/NOT REPORTED