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  1. J

    Withholding aircraft after maintenance

    To be clear, I am not in this situation but it seemed possible I would be and I was curious. Avionics shop estimated 2 months and we're working on 6. I think we'll be able to work things out though. "Replevin" was the keyword I was looking for, thanks flyingron. It looks like in Colorado within...
  2. J

    Withholding aircraft after maintenance

    Hopefully there are some lawyers onboard who can comment. Is it legal for a shop to withhold an airplane after work is done unless payment is received for the work? The invoice itself would presumably be disputed in this case. I would have thought that the plane could be picked up while the...
  3. J

    ForeFlight updated this morning and...

    AGL (you can browse through and see some values would be below ground if it was MSL).
  4. J

    Colorado Gang

    Please add me.
  5. J

    Tesla Model 3 - Now I get the hype.

    If you’re really in a big hurry probably won’t work, otherwise I don’t think stopping for a break every couple hours on a trip you do only occasionally isn’t anything to base a decision on. There are way bigger differences between this car and a gas car.
  6. J

    Tesla Model 3 - Now I get the hype.

    Long range trips in cold weather on routes without a convenient supercharger are the one use case I would still recommend a gas/diesel car. That’s becoming a very rare situation though.
  7. J

    Plane Window Sun Shades

    I was thinking of just putting in that static cling window tint stuff. Plane has been in the avionics shop what feels like since dinosaurs roamed the earth so haven't had time to investigate. Our AC blows from the back forward and the pressurization system goes from the front to the back so...
  8. J

    AOA INDICATOR

    I read up quite a bit on these and came to the conclusion that there really isn't a reliable AOA indicator. To start with, a modern wing has different airfoil sections and there is no one AOA. This also changes as soon as you put the flaps down. There was a study done I can't immediately find...
  9. J

    WAAS vs. Non-WAAS GPS

    I think the analogy is being strained here– the idea would be you use a moving map as an instructional tool, with an instructor. It's pretty obvious if a student is continuing to use the moving map to run an approach or a hold (apart from the fact it will probably result in sloppy approach or hold).
  10. J

    WAAS vs. Non-WAAS GPS

    The only danger would be if you never remove the training wheels to use your analogy, I feel a moving map is a good thing to use until it is no longer needed.
  11. J

    WAAS vs. Non-WAAS GPS

    I feel the biggest shortcoming with instrument training is not recognizing when a student is overwhelmed. A student who is struggling to track horizontally will not be on top of flaps, etc. at FAF and will probably be quickly overwhelmed and at that point learning stops. It's the same with...
  12. J

    WAAS vs. Non-WAAS GPS

    ILS works, LPV works, some are more familiar with one than the other. LPV is more accurate, more reliable, generally easier to use, and far more widely available. I don't think it is unreasonable for a pilot to say, I'm going to keep sharp with an LPV, and not want to fly without that...
  13. J

    WAAS vs. Non-WAAS GPS

    And for some of those there are good reasons, a knob is more useful than a touchscreen for many things and the reverse can be true also, so it makes sense to have both. It may not create any cognitive load to say, if it's turbulent use the knob otherwise use the touchscreen, etc.
  14. J

    WAAS vs. Non-WAAS GPS

    This is a UX antipattern and a red flag that software developers and/or product owners likely had the final call on the UI instead of professional user experience designers. Anytime there is more than one way to do something there should be a clear and justified reason why. It’s frustrating to...
  15. J

    Does Garmin Pilot or Foreflight Have CDI For RNAV

    The biggest limitation in using ForeFlight or Pilot or any of the other EFBs is CDI scaling. To my knowldge ForeFlight does not have terminal sensitivity and will only use en-route, which is coarse (2nm). I suspect this is intentional and don't expect it to change...
  16. J

    ForeFlight updated this morning and...

    I believe the closest replacement is the GLMP tool available here: https://www.weather.gov/mdl/lamp_gridded
  17. J

    WAAS vs. Non-WAAS GPS

    AIM 1-1-18 c. 9(a): Pilots with WAAS receivers may flight plan to use any instrument approach procedure authorized for use with their WAAS avionics as the planned approach at a required alternate, with the following restrictions. When using WAAS at an alternate airport, flight planning must be...
  18. J

    Goodbye HIWAS

    I see cars in that old FSS station and always wonder what they’re up too. Would be neat to get an in person briefing on the way out of town. They do publish the ADS-B tower locations. Seems impossible to hide the transmitter tower locations given the service roads, maintenance contracts that I’m...
  19. J

    New article about ADS-B states 88% compliance

    It’s interesting the citation I and II aren’t the list.
  20. J

    Goodbye HIWAS

    Flight Service itself is barely needed anymore. I can see this reduced to one floor in a building somewhere in a few years. Even with old avionics, an iPad and ADS-B receiver is within reach of most any pilot. On the rare cases I talk to them on the radio they seem bored and provide far more...
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