August 27, 200520 yr Couple nights ago I flew to "I don't remember where :-badteeth", and on final, the wind in the Aeroworx HSI indicated a 4 knot headwind that according to the arrow was almost a perfect headwind. I was still drifted off course, so I checked the Shift-Z and it was about 15 degrees to the right. I assume this is a true vs magnetic thing, but which one determines the direction the wind is actually blowing?? - Chris Gigabyte Z790 Aorus Elite AX | Intel Core i9 13900KF | Gigabyte GeForce RTX 4090 24 GB | 64GB DDR5 SDRAM | Corsair H100i Elite 240mm Liquid Cooling | 1TB & 2TB Samsung Gen 4 SSD | 1000 Watt Gold PSU | Windows 11 Pro | Thrustmaster Boeing Yoke | Thrustmaster TCA Captain X Airbus | Asus ROG 38" 4k IPS Monitor (PG38UQ) Asus Maximus VII Hero motherboard | Intel i7 4790k CPU | MSI GTX 970 4 GB video card | Corsair DDR3 2133 32GB SDRAM | Corsair H50 water cooler | Samsung 850 EVO 250GB SSD (2) | EVGA 1000 watt PSU - Retired
August 27, 200520 yr True heading is the one that is used for wind direction. Just have to find the magnetic variation for the area and subtract or add it.East=least (subtract)West=best (add) Chris Miller
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