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This guide explores solutions for optimizing the order of Field 18 codes in AFTN messages in compliance with ICAO guidelines. Understand the transition from June to November and beyond, including managing grandfathered codes and RMK formats. Learn about the FAA and CFMU requirements for FPLs and the potential need for sending two FPLs post-November. Decipher the complexities of ANSP requirements and the global impact of ICAO draft AIC. Is truncation the key to meeting the 69-character limit? Find out more in this comprehensive overview.
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ICAO 2012 FPL Anthony Coult 8 Dec 2011
Field 9/10a/10b AFTN Limit of 69 Characters B2B no limitSolutions? Truncate? Send with LF/CR ?
Field 18 orderBest to match amendment order?Grandfathered codes ? RVR/ RFP/ EUR/After RMK/ ?
Field 194444 – indicates do not put in FPLSome ANSP’s require it ?FAA – REJ FPL’s with itCFMU – REJ as part of field 18 RMK/
Present / New FormatJune – November Transition15 November and beyond Send Two FPL’s? ANSP convert to old ?ICAO draft AIC for entire world vs just Europe ?