Subpart H - Mandatory Use of the New York North Shore Helicopter Route Source:Docket Nos. FAA-2020-0772 and FAA-2018-0954, Amdt. 93-103, 85 FR 47899, Aug. 7, 2020, unless otherwise noted. Effective Date Note:At 85 FR 47899, Aug. 7, 2020, subpart H to part 93 was revised, effective Aug. 5, 2020, through Aug. 5, 2022.