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manuel ortiz
18th Aug 2011, 20:16
Believe according to ICAO it is half deflection for VOR and ILS and 5 deg for ADF.

Could anyone provide the Ref. to find it in the ICAO Docs pls.

FAA did not have anything as specific from what I recall, is there something now?

If yes pls also provide the Ref.

aterpster
19th Aug 2011, 02:00
manuel ortiz:

FAA did not have anything as specific from what I recall, is there something now?

No.

rudderrudderrat
19th Aug 2011, 08:52
Hi Manuel,

From Standards Document 24. Google found a copy on this site!

http://cot.food.gov.uk/pdfs/tox200710annex5.2

Page 17.

Tolerance

Tracking
All except precision approach 5
Precision approach half scale deflection azimuth and glidepath
Heading
All engines operating 5
With simulated engine failure 10

poldek77
19th Aug 2011, 16:00
ICAO Doc 8168, Chapter III, para 3.3.3.4.

Nubboy
19th Aug 2011, 16:18
Whilst the above are valid definitions of being ON track, I would suggest you're not ESTABLISHED until you have achieved a heading that would maintain it :ok: