Designer Andrew Probert with the N3176S outside Jetcopters Inc, Van Nuys, ca1984
N3176S shorten to 76s (among fans) was actually a Bell 222, serial number 47085, sometimes unofficially called a Bell 222A.
'The helmet used by the pilots where know as a 'Stunt' helmet. It was literally just a shell wrapped around a headset. The helmet was also seen in promo pictures with the cast.
76s was flown by pilot Pete McKernan Sr, Peter McKernan Jr, Jim Deeth, Davy Jones and Kevin LaRosa