PilatusB4-PC11AF ·GliderReview


Average Price €11000 2
  • €5667.73
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    Average Flown Distance

    (source: OLC 2016)

    For Beginners
    Spin Recovery

    The Pilatus B4AF is an all-round sailplane. With Ka6-like performance, it could be used for your first cross-country flights. The B4 out-climbs a lot of gliders. However, it is mostly bought as an aerobatic trainer these days. Since the B4 is all-metal, it is very strong and rigid. This gives it G-limits of +7G and -5G, very suitable for aerobatics. The low VNE of 240kph is a bit low for the more advanced figures or quarter rolls going straight down. It has once beaten Fox'es in the Advanced class, when it was flown by Johan Gustafsson.

    For aerobatics, it is very comparable to the ASK-21, but better. Faster rolls rates and the possibility to do spins, flick-rolls (for which you need the "F" mod: a stringer on near the tail) and tail-slides makes it more exciting than the ASK-21.

    The B4 requires little maintenance and can be tied down outside without worry. Assembly is a bit heavy on the arms, but a good trailer and some friends make this job a lot easier.

    Overall, the glider is very suitable for solo-standard pilots. The only thing to look out for is Pilot-Induced-Oscillation during towing, especially if your B4 does not have a separate hook for aero-towing.

    Roel Baardman

    Why buy

    More exciting in the air and easier to handle on the ground than an ASK-21.

    General characteristics

    Class Club
    Crew 1
    First flight 1975
    Built 322

    Technical characteristics

    Height 1.57m
    Length 6.57m
    Wingspan 15m
    Wing Area 14m²
    Aspect Ratio 16
    Flaps No
    Empty Weight 230Kg
    Gross Weight 350Kg
    Ballast 0Kg
    Retractable Gear Yes
    Retractable Propeller No
    Self Launching No


    Min Sink 0.63m/s
    Glide Ratio 30
    Stall speed 60Km/h
    VNE 240Km/h
    Gs 7/-5