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  2. List of executive air transports of U.S. states - Wikipedia

    en.wikipedia.org/wiki/List_of_executive_air...

    The State of West Virginia Aviation Division operates a fleet that includes a King Air 350 turboprop aircraft, Bell 407 helicopter, Bell 206 LongRanger helicopter, Bell 206 JetRanger helicopter. This fleet is available for official uses to the Governor, as well as state agencies and the legislature, with a mission to reducing travel time and ...

  3. Helicopter rotor - Wikipedia

    en.wikipedia.org/wiki/Helicopter_rotor

    An example of two-blade rotor is the Bell 212, and four blade version of this helicopter is the Bell 412. [23] An example of the effect of rotor blade number is the UH-72 ( EC145 variant ); the A model had four blades, but the UH-72B was changed to five blades which reduced vibration. [ 24 ]

  4. Aerial saw - Wikipedia

    en.wikipedia.org/wiki/Aerial_saw

    A design used in the Appalachian region has ten circular saws on a twenty-foot shaft which is carried by an MD 500 helicopter, typically using a rigid boom of about 80 feet long on a gimbal mount, so that the saw can swing below the aircraft. The saw blades are powered by a 28-horsepower engine and the assembly weighs 830 pounds.

  5. US State Department approves military helicopter sale to ...

    www.aol.com/news/us-state-department-approves...

    The U.S. State Department approved a foreign military sale to Zambia of military helicopters and related logistics support for an estimated cost of $100 million, the Pentagon said in a statement ...

  6. Columbia Helicopters - Wikipedia

    en.wikipedia.org/wiki/Columbia_Helicopters

    Columbia Helicopters, Incorporated (CHI) is an aircraft manufacturing and operator company based in Aurora, Oregon, United States. It is known for operating tandem rotor helicopters; in present times, exclusively the Boeing Vertol 107 and Boeing Vertol 234 .

  7. Brantly B-2 - Wikipedia

    en.wikipedia.org/wiki/Brantly_B-2

    Brantly B-2: Two-seat single-engined light utility helicopter. Brantly YHO-3: United States military designation for the B2. Brantly B-2A: Initial production version. Brantly B-2B: Improved version, fitted with new metal rotor blades, and an uprated fuel-injected 180 hp Lycoming piston engine. Brantly 305: Larger five-seat version.