ORIGINAL RARE WWII FLYING TIGERS AVG 1941 ALERT CREW PROCEDURE / CODE WORDS DOCUMENT. Bought from AVG veterans estate. From 3rd Sqdn pilot. Oct 22, 1941 dated, sections include: Normal alert crew procedure, warnings and signals, code words on radio. Please see my other auctions for more items from this estate and other estate military items. Thank you and good luck! Add a map to your own listings. The item “RARE WWII FLYING TIGERS AVG 1941 ALERT CREW PROCEDURE / CODE WORDS DOCUMENT” is in sale since Tuesday, September 27, 2016. This item is in the category “Collectibles\Militaria\WW II (1939-45)\Original Period Items\United States\Correspondence, Mail”. The seller is “aceshigh!” and is located in East Northport, New York. This item can be shipped worldwide.