K0879S1190 meaning?
Hey guys,
What do the strings such as K0879S1190 or K0870F350 etc etc mean in flight plans? Thanks! |
I would say these are the codes used in OFPs to show changes of speed or Flight levels.
As usual K is for Knots and the digits for the cruising speed in TAS, but over 800 seems a bit too fast :8 F is for flight level. |
S= Standard Metric Level in tens of metres.
K= TAS in km/h F= Flight Level Atlas Aviation - ICAO Flight Plan instructions directions information n.b. N denotes TAS in knots |
K0879S1190 is 879km/hr at 11900 metres altitude.
roughly 474knots at FL390. Airspeed in True Airspeed. Knots is marked N (Nautical Mile derivative) I know the CIS states (ie Russia and similar) used to use the Metric Metres for Altitude, but changed this a few years back so that Metric is only used under the transition altitude, and Feet/FL above transition. About the only place that still uses Metres for altitudes is China/Mongolia as far as I am aware? If you were flying the same profile in (places that are not China/Mongolia) it would be N0474F390 The Km/Hr and Foot Flight Level sounds like what would happen over Russian/Former CIS areas now that their Flight Levels are in feet. (I assume their Km/Hr is still Km/Hr). |
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