4 Answers
IFR flight plan – convert winds aloft true to magnetic
Asked by: sp_72 15306 views Instrument Rating
For IFR flight planning I've learned from King ground school videos the following:
- Identify course on IFR chart (this is magentic)
- Find winds aloft at your altitude (this is true)
- Convert wind to magnetic using magnetic variation on chart
- true wind = 360
- variation = 15 E (east is least, west is best)
- magnetic wind = 360 - 15 = 345
In doing a mock oral for my IFR check ride the other day, my CFII said that I'm wrong in subtracting the wind (using the above scenario). This is VERY confusing. I watched the King IFR flight planning video again and that's how John King says it's done. I know he's not the "end all, say all" but he's pretty darn experienced so I decided to get your opinions on whose right. My CFII or John King?
I need to figure this out so I don't screw up my flight plan on my check ride in 10 days.
Thanks!!!
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