TBL 4-15 Filing for 50 NM Lateral Separation in Anchorage Arctic FIR Flight Plan Entries Dimension Separa- of Separa- tion Mini- tion ma PBN RequireADS-C Surveillance Requirements Comm. Re- ment quirement PBN in Item 18 ADS-C in Item 10b CPDLC in Item 10a PBN/ (also File "R" in PBN in Item 18 NAV/ Item 10a) None Lateral 50 NM be- yond normal (ADS-C not requirements required) for RNP10 or the A1 or L1 RNP4 airspace TBL 4-16 Filing for 30 NM Lateral, 30 NM Longitudinal, and 50 NM Longitudinal Oceanic Separation in Anchorage, Oakland, and New York Oceanic CTAs Flight Plan Entries Dimension of Separation ADS-C Surveillance Comm. Re- PBN Require- Separation Minima Requirements quirement ment PBN in Item ADS-C in Item 10b CPDLC in Item 10a 18 PBN/ (also File "R" PBN in Item 18 NAV/ in Item 10a) Position report at least every 27 minutes (at least every 32 Longitudinal 50 NM minutes if both air- CPDLC RNP10 D1 CPDLC RNP4 D1 CPDLC RNP4 D1 craft are approved J5 and/or J7 A1 L1 L1 for RNP-4 operations) ADS-C position reLongitudinal 30 NM port at least every 10 minutes J5 and/or J7 ADS-C-based lateral deviation event contract with 5NM lateral Lateral 30 NM deviation from planned routing set as threshold for J5 and/or J7 triggering ADS report of lateral deviation event FAA Form 7233-4 - International Flight Plan Appendix 4-13