I don't quite agree with your conclusion (I'm not claiming any superior knowledge, just offering a discussion opinion). You suggest unless Heliport being used emergency then should be safe, that MAY be true, but I see the point is it's not our/your determination (of an emergency) that counts it's theirs. Drone pilot unlikely to know of a change in situation for example (eg wasn't an emergency, but is now), hence MUST NOT fly to create hazard, SHOULD NOT fly too close - the later helping to ensure the former mandatory requirement is met.
But I don't get why we can't fly at night ever, under any circumstances (as recreational, sub 2kg pilots, complying otherwise with CASA rules) - that seems just overkill and unreasonable..
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