直升飞机甲板设计建造的咨询服务
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Table 2. Friction Value | ||||
Section Of Helideck | Fixed Helideck | Moving Helideck | ||
Inside TD/PM Circle | 0.60 | 0.65 | ||
On TD/PM Circle and H Painted Markings | 0.60 | 0.65 | ||
Outside TD/PM Circle | 0.50 | 0.50 | ||
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Brief Explanation: |
Refer Note 2: It mentioned what need to done if the value is lower than the Table 2. |
Refer Para 3.42. It mentioned area ecompassess on TD/PM circle (yellow aiming circle) only. Net could be installed If the value is at least 0.5 (the required value is 0.60 fixed/0.65 mobile). If the value in this area is lower than 0.5, the friction value must be improved to achive at least 0.5, even with net installed.
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By the way, refer Para 3.40. Retest is annually conducted. |
