Skratky a kódy, potrebné na dekódovanie a kódovanie dokumentov, ktoré sú plne v súlade s ICAO (International Civil Aviation Organization) – Dokument 8400 „Skratky a kódy“.

Skratka / značkaVýznam skratky / značky
NNo distinct tendency (in RVR during previous 10 minutes)
NNorth or northern latitude
NASCNational AIS system centre
NATNorth Atlantic
NAVNavigation
NBNorthbound
NBFRNot before
NCNo change
NCDNo cloud detected (used in automated METAR/SPECI)
NDBNon-directional radio beacon
NDVNo directional variations available (used in automated METAR/SPECI)
NENorth-east
NEBNorth-eastbound
NEGNo or negative or permission not granted or that is not correct
NGTNight
NILNone or I have nothing to send to you
NMNautical miles
NMLNormal
NNENorth-north-east
NNWNorth-north-west
NOFInternational NOTAM office
NOSIGNo significant change (used in trend-type landing forecasts)
NOTAMA notice distributed by means of telecommunication containing information concerning the establishment, condition or change in any aeronautical facility, service, procedure or hazard,

the timely knowledge of which is essential to personnel concerned with flight operations

NOVNovember
NOZNormal operating zone
NRNumber
NRHNo reply heard
NSNimbostratus
NSCNil significant cloud
NSWNil significant weather
NTLNational
NTZNo transgression zone
NWNorth-west
NWBNorth-westbound
NXTNext
OACOceanic area control centre
OASObstacle assessment surface
OBSObserve or observed or observation
OBSCObscure or obscured or obscuring
OBSTObstacle
OCAObstacle clearance altitude
OCAOceanic control area
OCCOcculting (light)
OCHObstacle clearance height
OCNLOccasional or occasionally
OCSObstacle clearance surface
OCTOctober
OFZObstacle free zone
OGNOriginate
OHDOverhead
OMOuter marker
OPAOpaque, white type of ice formation
OPCControl indicated is operational control
OPMETOperational meteorological (information)
OPNOpen or opening or opened
OPROperator or operate or operative or operating or operational
OPSOperations
O/ROn request
ORDOrder
OSVOcean station vessel
OTLKOutlook (used in SIGMET messages for volcanic ash and tropical cyclones)
OTPOn top
OTSOrganized track system
OUBDOutbound
OVCOvercast
P . . .Maximum value of wind speed or runway visual range (followed by figures in METAR/SPECI and TAP)
P . . .Prohibited area (followed by identification)
PAPrecision approach
PALSPrecision approach lighting system
PANSProcedures for air navigation services
PAPIPrecision approach path indicator
PARPrecision approach radar
PARLParallel
PATC . . .Precision approach terrain chart (followed by name/title)
PAXPassenger(s)
PCDProceed or proceeding
PCLPilot-controlled lighting
PCNPavement classification number
PDCPre-departure clearance
PDGProcedure design gradient
PERPerformance
PERMPermanent
PIBPre-flight information bulletin
PJEParachute jumping exercise
PLIce pellets
PLAPractice low approach
PLNFlight plan
PLVLPresent level
PNPrior notice required
PNRPoint of no return
PODust/sand whirls (dust devils)
POBPersons on board
POSSPossible
PPIPlan position indicator
PPRPrior permission required
PPSNPresent position
PRFGAerodrome partially covered by fog
PRIPrimary
PRKGParking
PROBProbability
PROCProcedure
PROVProvisional
PSPlus
PSGPassing
PSNPosition
PSRPrimary surveillance radar
PSYSPressure system(s)
PTNProcedure turn
PTSPolar track structure
PWRPower