Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla A shekara ta 1971, Kamfanin A (Niagara Falls) da Kamfanin B (Massachusetts) sun karbi UH-1 helicopters.
Tabbas, wani nau'i mai rikitarwa na jumla shine "A 1971, Kamfanin A (Niagara Falls) da Kamfanin B (Long Island NY) sun karbi OH - 6 Cayuse, da UH - 1 Iroquois. "