Order 7110.65P, Air Traffic Control, with changes

2/17/057110.65P CHG 2AddAddAddAddAddAddAddAddAddAddAddAddAddAddAddAdde. Aircraft assigned a heading until receiving a fixor joining a published route shall be designated withassigned heading format followed by the fix or route.EXAMPLE−H080/ALB, 080/J121, PH/ALBNOTE−1. The notation “PH” may be used to denote presentheading.2. The character “H” may be omitted as a prefix to theheading assignment only if necessary due to characterfield limitations, and it does not impede understanding.f. Aircraft authorized specific weather deviation orlateral weather deviation until able to proceed directto a fix shall be designated with the identifiedcharacters: D−deviation, L−left, R−right, N−north,E−east, S−south, W−west.EXAMPLE−DN, D20L, DR/ATL, D30R/ATLg. Coordination format for assigned airspeedsshall use the designation character “S” preceding athree−digit number.NOTE−A “+” notation may be added to denote an assignedspeed at or greater than the displayed value. A “−”notation may be added to denote an assigned speed ator less than the displayed value.EXAMPLE−S210, S250, S250+, S280−h. Aircraft assigned a Mach number shall use thedesignation “M” preceding the two−digit assignedvalue.EXAMPLE−M80, M80+, M80−REFERENCE−FAAO 7110.65, En Route Fourth Line Data Block Usage,Para 5−4−11gNOTE.i. Aircraft authorized to conduct celestialnavigation training within 30 NM of the routecenterline specified within the en route clearance.EXAMPLE−CELNAVj. Coordination format for aircraft requesting analtitude change shall use the designation characters“RQ” preceding a three−digit number.EXAMPLE−RQ170, RQ410k. Coordination format for aircraft requesting aroute change shall use the designation “RQ/”preceding a specific fix identifier.Briefing GuideBG−7