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    Grob 103 Twin II N4446Y Glider For Hire from Heber City Airport

    The Grob 103 Twin II is a 2 seat glider, ideally suited for training.

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    Description

    N4446Y.

    Grob 103 Twin II, 4446Y, Performance Summary and User Documents
    The data on this page is gathered from the factory published owners manual and are deemed to be correct.
    However, it is the pilot’s sole responsibility to verify and fly the a/c within the limits of factory-published information.

    Weight and Balance
    Empty Weight 886 lbs.
    Maximum Weight 1279 lbs.
    Maximum Useful Load 393 lbs.
    Minimum front seat load for all flights* 154* lbs.
    Maximum Front Seat Load 242 lbs.
    Maximum Rear Seat Load 242 lbs.
    Maximum Baggage Compartment Load 22 lbs.
    Trim Weights must be installed if front seat load is less than 154 lbs.

    Front Seat Pilot Weight 121-137 lbs 138-153 lbs
    Number of Trim Weights 2 1
    Air Speeds
    Maximum Speed calm air Vne 135 Kts
    Maximum Speed to Deploy Spoilers V 135 Kts
    Maneuvering Speed Va 92 Kts
    Maximum Aerotow Speed Vt 92 Kts
    Minimum recommended approach speed Vref 51 Kts
    Maximum crosswind component V 11 Kts
    Stall Speeds Without Dive Brakes With Divebrakes
    Solo 36 Kts 40 Kts
    Dual 40 Kts 46 Kts
    Flying in rain raises stall speeds by 6 Kts. With wet wings increase take-off and approach speeds accordingly.
    True airspeed is greater than indicated at altitude. Vne decreases according to the following table.

    Vne
    Altitude 0-10,000′ 13,000′ 16,000′ 19,000′
    Vne 135 Kts 121 Kts 115 Kts 109 Kts
    Performance
    Speeds to Fly Solo Dual
    Minimum Sink 43 Kts 46 Kts
    Best L/D ~36/1 51 Kts 57 Kts