The table of units of measurement shown below will be used by aeronautical stations within BUDAPEST FIR for air and ground operations.
For measurement of | Units in Blue Table |
---|---|
Distances used in navigation position reporting, etc. | Nautical Miles and tenths |
Relatively short distances such as those relating to aerodromes (e.g. RWY lengths) | Metres |
Altitudes, elevations and heights | Feet |
Horizontal speed including wind speed | Knots |
Vertical speed | Feet per Minute |
Wind direction for landing and taking off | Degrees Magnetic |
Wind direction except for landing and taking off | Degrees True |
Visibility including runway visual range | Kilometres or metres |
Altimeter setting | Hectopascal |
Temperature | Degrees Celsius |
Mass | Metric tonnes or Kilogrammes |
Time | Hours and minutes, the day of 24 hours beginning at midnight UTC |
Coordinated Universal Time (UTC) is used in communications by Air Navigation Services and in publications issued by the Aeronautical Information Service.
In reporting of time checks shall be given to the nearest half minute.
In the AIP and associated publications the expression “summer period” will indicate that part of the year in which the “daylight saving time” is in force. The other part of the year will be named the “winter period”.
The “summer period” will be introduced every year on the last Sunday in March at 0100 UTC, and it will cease on the last Sunday in October at 0100 UTC.
Local time = In Winter UTC+1; In Summer UTC+2
All published geographical coordinates indicating latitude and longitude are expressed in terms World Geodetic System - WGS 84 geodetic reference system.
The nationality and registration marks for aircraft registered in Hungary are the letters HA. The nationality mark is followed by a hyphen and a registration mark consisting of three letters.
E.g.: HA-LEK