Sectional Chart Question.
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Ari
On Skyvector that airport is 19MT and the weather station call sign is KMVH
ateamer
Pattern Altitude
Here’s an interesting handbook that details the system for airport, navaid, and weather station codes. The relevant part is pages 2-3 to 2-7.
RussR
En-Route
I believe (no sources, just based on what I've learned over the years, so please somebody correct me if I'm wrong):
- All weather stations must have an identifier. Makes sense, need to know where the weather's coming from.
- The weather station ID, since it's disseminated around the world, needs to have an ICAO-compliant ID.
- 19MT, a private airport, is not an ICAO-compliant ID, so the weather station is given a different one. Not too many private airports have AWOS that is fed to WMSCR (meaning you can get it on the internet).
- You'll note that many mountain passes also have their own weather stations, and NOT co-located with an airport. So they have IDs too.
- All weather stations must have an identifier. Makes sense, need to know where the weather's coming from.
- The weather station ID, since it's disseminated around the world, needs to have an ICAO-compliant ID.
- 19MT, a private airport, is not an ICAO-compliant ID, so the weather station is given a different one. Not too many private airports have AWOS that is fed to WMSCR (meaning you can get it on the internet).
- You'll note that many mountain passes also have their own weather stations, and NOT co-located with an airport. So they have IDs too.
I think basically, it's just an AWOS that is not collocated with an ICAO ID'd airport. I doubt if the fact that 19MT is a private airport or is even there is relevant. Yes, it's similar the mountain pass AWOS stations. For example, this one is located on Rollins Pass (also know as Corona Pass) and is part of a joint project to place weather stations at or near mountain passes. It's not for that private airport.
