On record pace, copter makes Savannah stop
record — Fred North
record — Fred North
Legendary helicopter pilot Jean Boulet's altitude record still stands 50 years on | World Air Sports Federation
Helicopter | Facts, History, & Types | Britannica
Helicopter Ops in Nepal: High Altitude, High Tempo - Vertical Mag
The 60th anniversary of the Alouette III | Airbus
Aerospatiale SA315B Lama
Aérospatiale SA 315B Lama - History and technical description - Heli Archive
record — Fred North
Sioux - Historic Army Aircraft Flight
Legendary helicopter pilot Jean Boulet's altitude record still stands 50 years on | World Air Sports Federation
Absolute World Record for Altitude | This Day in Aviation
New high-altitude rescue helicopter ready to save lives in Yukon | CBC News
High-Altitude Helicopter Rescue Sets Record | WIRED
How High up Can a Helicopter Fly? - Aero Corner
Aérospatiale Alouette II - Wikipedia
The effects of altitude on helicopter rescue crews | AirMed&Rescue
Legendary helicopter pilot Jean Boulet's altitude record still stands 50 years on | World Air Sports Federation
record — Fred North
Landing on Everest: Didier Delsalle Recalls his Record Flight - Vertical Mag
How high in altitude can a helicopter reach? What happens if the chopper is pushed too hard in altitude? - Quora
The Highest Ever Recorded Flight in a Helicopter | AvBuyer
How High Can A Helicopter Fly | Virgin Experience Days
