----Filter Model---Hughes 369 / 500 / H-6 ----- 6 6MBB Bo105 ----- 8 8McDonnell Douglas md500 ----- 2 2MD Helicopters MD500 ----- 4 4Mil Mi-4 Hound ----- 1 1SerialBuiltModelHH-1 369hm HH-10 MD500E HH-11 MD500E HH-12 MD500E HH-1501 nbo105cb HH-1502 nbo105cb HH-1503 nbo105cb HH-1504 nbo105cb HH-1505 nbo105cb HH-1506 nbo105cb HH-1507 nbo105cb HH-1508 nbo105cb HH-2 369hs HH-3 369hs HH-3 mi-4 HH-4 369d HH-5 369d HH-6 369d HH-7 md500e HH-8 md500e HH-9 MD500E @ (optional) Send