HelicoptersC/NPhotos Photos Sikorsky S-76 in Bristow US Sikorsky S-76D N720BG Feb-14 pictured at Anaheim,CA Heli-Expo 2014 Sikorsky S-76D N720BG Feb-14 pictured at Anaheim,CA Heli-Expo 2014 Sikorsky S-76D N722BG Bristow US May13-Oct15, test serial N7616T; pictured Sikorsky S-76D N722BG Bristow US May13-Oct15, test serial N7616T; pictured