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As a coincidence, 1 NM is about 6,000 feet (6,076.1 feet) so we can use the 60:1 rule for this too. For a 1 degree shift at 1 NM, there are about 100 feet of offset. This becomes very useful for estimating or correcting vertical speed settings and flight path angles (FPA) during climb, descent, or approaches. If a gradient in % is required, the ...
For many aircraft of that era this meant about 60 minutes with one engine inoperative. [1]: page10 In 1953, with piston engine reliability and aircraft performance improved, U.S. authorities introduced a "60-minute rule", restricting twin-engine aircraft to a 60-minute diversion area (at single-engine cruise speed). There was some additional ...
The rule affected only those aircraft operating under IFR when in level flight above 3,000 ft above mean sea level, or above the appropriate transition altitude, whichever is the higher, and when below FL195 (19,500 ft above the 1013.2 hPa datum in the UK, or with the altimeter set according to the system published by the competent authority in ...
60/60 = 1/1 = 1.0 (0.866, +13.4%) The angle is the angle of the wind or tide as it presents itself relative to the ship or aircraft, so if the wind is coming from the left at a relative angle of 30°, we use a sine of 0.5.
While the A380 superjumbo is enjoying a resurgence, its four-engined older sibling – the A340 – seems dangerously close to being grounded for good.
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Title 14 CFR – Aeronautics and Space is one of the fifty titles that make up the United States Code of Federal Regulations (CFR). Title 14 is the principal set of rules and regulations (sometimes called administrative law) issued by the Department of Transportation and Federal Aviation Administration, federal agencies of the United States which oversee Aeronautics and Space.
There are lots of "rules" in investing that have long driven basic portfolio principles. The "60/40" rule, the "Rule of 72" and the newer "70/30" rule. The basic foundations surrounding these rules...