Touchdown/positioning marking
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Codes - 2009 MODU Code - Code for the Construction and Equipment of Mobile Offshore Drilling Units, 2009 – Resolution A.1023(26) - Chapter 13 - Helicopter Facilities1 - 13.5 Visual aids - Touchdown/positioning marking

Touchdown/positioning marking

  13.5.12 A touchdown/positioning marking should be located so that when the pilot’s seat is over the marking the whole of the undercarriage will be within the TLOF and all parts of the helicopter will be clear of any obstacle by a safe margin.

  13.5.13 The centre of the touchdown/positioning marking should be concentric to the centre of the TLOF.footnote

  13.5.14 A touchdown/positioning marking should be a yellow circle and have a line width of 1 m. The inner diameter of the circle should be half the D-value of the largest helicopter for which the TLOF is designed.

Parent topic: 13.5 Visual aids
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