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ICAO holding speeds expressed in KIAS or KTAS?

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ICAO holding speeds expressed in KIAS or KTAS?

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Old 4th Aug 2011, 12:07
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ICAO holding speeds expressed in KIAS or KTAS?

The title says it all. I always thought ICAO holding speeds were expressed in KIAS. Now that I had a look at PANS-OPS, Volume I, table II-6-1-1, I'm not so sure anymore. In the table speeds are simply expressed in knots and km/h, without further explanation.

My next thought was there had to be some general rule saying speeds in PANS-OPS were IAS unless indicated otherwise. But there isn't. At least, I couldn't find such a provision.

Any help?
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Old 5th Sep 2011, 11:01
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Answering my own question... That's so ridiculous.

Holding speeds must be indicated air speeds. Otherwise the comparison between 280 kt and M 0.8 would be completely pointless.
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Old 8th Sep 2011, 07:18
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Definitely KIAS
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