Next Question: What's this?

Tom Seeley

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Next Question: What's this?
« on: February 21, 2016, 10:30:47 AM »


This is a symbol that was never on the approach plates when I earned my living flying. For reference, this one is on the VOR/DME-B Approach for Salmon, ID (KSMN).

Anyone know? (This was established by the FAA in October of last year)

Re: Next Question: What's this?
« Reply #1 on: February 21, 2016, 11:23:37 AM »


This is a symbol that was never on the approach plates when I earned my living flying. For reference, this one is on the VOR/DME-B Approach for Salmon, ID (KSMN).

Anyone know? (This was established by the FAA in October of last year)

It's a cold temperature restricted airport and indicates a cold temperature altitude correction is required on this approach when the reported temperature is at or below that temperature.

Tom Seeley

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Re: Next Question: What's this?
« Reply #2 on: February 21, 2016, 12:32:36 PM »
Yep. Pretty involved complex process for a pilot.

http://www.faa.gov/air_traffic/publications/notices/media/10-15-15-ntap.pdf

Don Desfosse

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Re: Next Question: What's this?
« Reply #3 on: February 21, 2016, 05:35:01 PM »
So here's my follow-on question....  And I ask because I couldn't find it but then again that's maybe because I scanned too quickly, I'm still in the lovely fog of Caribbean vacation, or both....  On the table on page 4-GEN-15, are those temperatures in C or F?

Tom Seeley

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Re: Next Question: What's this?
« Reply #4 on: February 21, 2016, 05:46:32 PM »
Celsius. AIM 7-2-3

The chart in the 4-GEN-14 left out the legend along the left side.

Don Desfosse

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Re: Next Question: What's this?
« Reply #5 on: February 21, 2016, 06:04:07 PM »
Cool, thanks.