Rotary Wing Geek

Rotary Wing Geek

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  • Slow Down! Are you speeding on the ILS?

    Slow Down! Are you speeding on the ILS?

    19 June 2025
    Aircraft Operations

    When we are flying around, unless you are flying old school IFR at very low level (I Follow Roads), there are no posted speed limit signs. There are some speed limits with respect to weather limits in the Rules of the Air but when you fly in cloud they do not apply and we can…

  • It’s behind you! Helipads and obstacles in the backup area

    It’s behind you! Helipads and obstacles in the backup area

    5 June 2025
    Helicopter Emergency Medical Service (HEMS)

    Designing hospital helipads so they are safe and efficient is a fine art. A growing body of guidance is provided by the aviation authorities to help with delivering effective capability from day. However, some of the guidance is currently flawed; there is an assumption that bigger helicopters are the most restrictive when actually it’s what…

  • EC135, Checklists and the “Red Button of Doom”

    EC135, Checklists and the “Red Button of Doom”

    2 June 2025
    Helicopter Design

    Introduction The EC135 SAS DCPL or SAS/AP CUT button is a red semi-guarded button on the head of the cyclic used to disengage all elements of the AFCS and stabilisation system simultaneously (both names for the button are used by Airbus in the Flight Manual and Pilot Check Lists (PCL)).  The button is present on…

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Rotary Wing Geek

Rotary Wing Geek

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