KIND_OF_OPERATION

• ** KIND OF OPERATION
• A DUSTING CROPS
• B DUSTING
• C SEEDING CROPS
• D SEEDING FORESTS
• E FERTILIZING (DUST)
• F FERTILIZING (LIQUID)
• G DEFOLIATION (DUST)
• H DEFOLIATION (LIQUID)
• I SPRAYING CROPS
• J SPRAYING FORESTS
• K SPRAYING TOWNS
• L AGITATING TREES
• M ANTI-FROST OPERATIONS
• N KNOCKING FRUIT OFF TREES
• P CK CROPS/TREES/OBSTRUCTIONS
• Q CHASING BIRDS
• R TEST
• S FERRY
• T PRACTICE
• 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.