MOV ......... Move  or  moving  or  movement N N............. North NAVAID....... Navigational aid NB ........... Northbound NDB .......... Nondirectional Radio Beacon NE ........... Northeast NEB .......... Northeast bound NM........... Nautical Mile/s NNE .......... North − northeast NNW ......... North − northwest NOV.......... November NW........... Northwest NWB ......... Northwest bound O OBSC ......... Obscure  or  obscured  or  obscuring OBST ......... Obstacle OPN .......... Open  or  opening  or  opened OPS .......... Operations P PAPI .......... Precision Approach Path Indicator PARL ......... Parallel PAX .......... Passenger/s PCL .......... Pilot Controlled Lighting PCT .......... Percent PERM ......... Permanent PJE ........... Parachute Jumping Activities PLA .......... Practice Low Approach PPR .......... Prior Permission Required PT............ Procedure Turn R R............. Red R............. Right  (preceded by runway designator number to identify a parallel runway) RAI........... Runway Alignment Indicator RCL .......... Runway Centerline RCLL ......... Runway Centerline Light REDL ......... Receive/Receiver RLLS ......... Runway Lead − in Light System RMK ......... Remark RTS .......... Return to Service RTZL ......... Runway Touchdown Zone Light(s) RVR .......... Runway Visual Range RWY ......... Runway S S ............. South  or  southern latitude SA ........... Sand SAT .......... Saturday SB............ Southbound SE............ Southeast SEC .......... Seconds SFC .......... Surface SN ........... Snow SR............ Sunrise SS............ Sunset SSR .......... Secondary surveillance radar SSW .......... South − southwest STD .......... Standard SUN .......... Sunday SW ........... Southwest SWB.......... Southwest bound T TAR .......... Terminal area surveillance radar TAX .......... Taxing  or  taxiing TDZ .......... Touchdown Zone TEMPO ....... Temporary  or  temporarily TFC .......... Traffic THR .......... Threshold THU .......... Thursday TKOF ......... Takeoff TODA......... Take − off Distance Available TORA......... Take − off Run Available TRG .......... Training TUE .......... Tuesday TWR.......... Aerodrome Control Tower TWY ......... Taxiway TX ........... Taxilane U U/S ........... Unserviceable UAS .......... Unmanned Aircraft System UNL .......... Unlimited UNREL ....... Unreliable V VIS........... Visibility VOR .......... VHF Omni-Directional Radio Range VORTAC ...... VOR and TACAN (collocated) VOT .......... VOR Test Facility W W ............ West  or  western longitude WB........... Westbound WDI .......... Wind Direction Indicator WED ......... Wednesday WI ........... Within WID .......... Width  or  wide WIP .......... Work in progress WNW ......... West − northwest WS ........... Wind shear WSW ......... West − southwest AIM  7110.65R CHG 2 AIM 8/15/19 3/15/07 1/30/20 5 − 1 − 4. Flight Plan  −  VFR Flights REFERENCE − a. Except for operations in or penetrating an ADIZ, a flight plan is not required for VFR flight. AIM, Chapter 5, Section 6, National Security and Interception Procedures b. It is strongly recommended that a flight plan (for a VFR flight) be filed with an FAA FSS. This will ensure that you receive VFR Search and Rescue Protection. Preflight 5 − 1 − 8