Can you be "spatially disoriented" if you are driving at night in …
2013年4月21日 · There are illusions that can get you when driving, but driving is really bad weather is more analogous to VFR into IMC than it is to spatial disorientation. Driving is two dimensional, you can't acquire a false horizon and be in a dive, bank, or climb when you think you're level (you can lose visibility of the road markings, but that's more ...
how do you remember cloud clearances for vfr - Pilots of America
2015年8月30日 · Personally I just stay out of the clouds with room to spare when VFR...most everything else is just textbook exercises because, as someone else mentioned, there's no way to truly gauge distance accurately and, in some cases, optical illusions screw with our perspective.
American Optical vs Randolph engineering aviators
2023年1月30日 · Between American Optical and Randolph Engineering… which is generally considered better quality for the price? Been looking at aviators, polycarbonate but would like dark tint and understand that polycarbonate does not take tint very well unless it’s polycarbonate, then there’s the endless debate about affecting digital screens.
Flying Cirrus Over Open Water - Pilots of America
2013年10月6日 · I have no illusions that a boat or helicopter is going to make it to me before I either drown or freeze. Last time over I didn't see any boats either. Flying over warm water is different, since there is a lot more time before you become hypothermic.
Hot plate question - Pilots of America
2023年10月5日 · There are a lot of variables to this question. But for note some hot plates were factory installed vs STC. However in my experience if you can remove the plate without windshield damage, and you will not replace the plate, there will be a permanent optical distortion where the plate was especially at the edge a
Bifocals vs Progressive - Pilots of America
2015年7月31日 · I bought a pair of single vision rimless glasses from Zenni after a very disappointing experience with boutique rimless specs costing $350 (they kept falling apart where the nose bridge and temples fasten to the lenses). The Zenni Optical Rx glasses were $40 and I've worn them daily for three years without any issues. An amazing value IMHO.
Altimeter Question - Pilots of America
2024年2月10日 · OK, Here goes. Lets say you fly to a small field without weather reporting/ATIS etc and land there, and set your altimeter to field elevation; say 100ft. However, you made a mistake and set the altimeter to field elevation, minus …
Intraocular Lens replacement - Pilots of America
2012年6月11日 · The way the lens does that is by projecting several images onto the retina, the brain is smart enough to filter out the sharp image while ignoring the overlaid blurry image. The physics of this approach dictate that the optical quality of either image (near or far) will never be as good as the quality of the image from a monofocal lens.
Thoughts on Progressive Lenses For Flying | Pilots of America
2010年1月1日 · Been using progressive lenses for over 10 years. Flying Eyes did my sunglasses and I have been using them for about 4 years or so with no problems. My current progressives are from Costco optical. I got 2 pair for less than the price of 1 pair from an optical shop. Haven’t detected any difference in vision quality but then ….
tachometer issues - Pilots of America
2013年11月3日 · Calibrate the optical tach checker under a fluorescent light. Set it on the two-blade setting. It should read 3600 RPM. The 60-Hz grid frequency is stable to, IIRC, .0033%. Good enough. A tach that reads 100 RPM low is junk. Period.