id,agency_id,docket_id,title,document_type,subtype,posted_date,posted_year,posted_month,comment_start_date,comment_end_date,last_modified,fr_doc_num,open_for_comment,withdrawn,object_id FAA-2021-0954-0004,FAA,FAA-2021-0954,"Air Cam National Helicopter Services, Inc",Other,Letter(s),2022-01-12T05:00:00Z,2022,1,2022-01-12T05:00:00Z,,2022-01-12T17:50:11Z,,0,0,0900006484f1ca38 FAA-2021-0954-0002,FAA,FAA-2021-0954,Supporting AD Documents,Supporting & Related Material,Supplement,2021-12-10T05:00:00Z,2021,12,,,2021-12-10T18:08:58Z,,0,0,0900006484eb2e13 FAA-2021-0954-0001,FAA,FAA-2021-0954,Airworthiness Directives: Various Helicopters,Rule,Final Rule with Request for Comments,2021-12-09T05:00:00Z,2021,12,2021-12-09T05:00:00Z,2022-01-25T04:59:59Z,2024-11-07T00:34:19Z,2021-26779,1,0,0900006484eb237f