As for Rule 5.12.6.1 I think if it will help you with PHRF then you can just by a 30gram chute and take the penalty - but to introduce this into the OD class is not needed. The PHRF classes will notice and will adjust or rating anyway so there will be no benefit from it being part of the OD rules. Or am I missing something?

David Bows
Mallorca - Hull# 397
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