Rnp 10

[happydriver]

Can anyone in the know explain to us who dont know...exactly what is RNP 10????

I'm standing by to be enlightened!!!

Cheers.

HD.

[ivor tug]

RNP = required nav performance
ANP = actual nav performance

number following is in Nautical Miles

[FE Hoppy]

EPU= Estimated position uncertainty
http://www.aviationmanuals.com/articles/article3.html

or better still
http://www.ecacnav.com/rnav/RNP-RNAV.htm

[arba]

That has something to do with the paralel airways over congested air-traffic area. You've to have 2 FMC's, certain limit of ALTIMETER difference, etc, to fly on that designated airways (which starts at FL290 and up, pse correct me)

I think you have to be RVSM compliance as well.

[Soft Altitude]

The navigational equipment on the aircraft has to be capable of steering the aircraft within 10NM of the airway 95% of the time spent in an airspace where no valid radio update is available.
The airline I fly with, the required operative eqpmt to fly in the RNP 10 airspace, consists of:

-2 FMSs
-2 IRSs
-2 MCDUs
-2 NDs with MAP information.

Aircraft not fitted with GPS have a time limit for the 10NM capability, either based on the initial system alignment or from the last valid radio update.
Hope this helps a bit.
Cheers