SEGMENT_AVIATON_INVOL

• ** SEGMENTS OF AVIATION INVOLVED
• A SML US GEN AVN-COLLISION SAME
• B SML US GEN AVN-LRG US GEN AVN
• C SML US GEN AVN-US AIR CARRIER
• D SML US GEN AVN-US MILITARY
• E SML US GEN AVN-FOREIGN GEN AV
• F SML US GEN AVN-FOREIGN ACR
• G SML US GEN AVN-FOREIGN MIL
• H LRG US GEN AVN-COLLISION SAME
• I LRG US GEN AVN-US AIR CARRIER
• J LRG US GEN AVN-US MILITARY
• K LRG US GEN AVN-FOREIGN GEN AV
• L LRG US GEN AVN-FOREIGN ACR
• M LRG US GEN AVN-FOREIGN MIL
• N US AIR CARRIER-US AIR CARRIER
• P U.S.AIR CARRIER-U.S.MILITARY
• Q US ACR-FOREIGN GEN AVIATION
• R US AIR CARRIER-FOREIGN ACR
• S US AIR CARRIER-FOREIGN MIL

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.