In aviation, the rule of three or 3:1 rule of descent is a rule of thumb that 3 nautical miles (5.6 km) of travel should be allowed for every 1,000 feet (300 m) of descent.
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Golden Rule 1-Aviate. The PF must fly the aircraft (pitch attitude, thrust sideslip, heading) to stabilize the aircraft's pitch attitude, bank angle, vertical flight path and horizontal flight path. The PM must back up the PF (by monitoring and making call outs till aircraft stabilised). Golden Rule 2-Navigate.
The Twelve-Five Standard Security Program (TFSSP) outlines requirements for FAA Part 135 certificated carriers offering commercial air transport using aircraft with a maximum certificated takeoff weight between 12,500 pounds (5,670 kg) and 100,309.3 pounds (45,500 kg).
There is also a risk of mistaken identity in or near the ZKKP/Pyongyang FIR boundary, as North Korea are threatening to actively shoot down reconnaissance aircraft in their airspace. The US prohibits flights across all North Korean airspace, including the oceanic part of the ZKKP/Pyongyang FIR over the Sea of Japan.
A good rule of thumb for most jets would be: 3 miles for each 1,000 ft.of altitude to lose + 1 mile for every 10 KIAS of airspeed that you need to lose before landing.
Standard takeoff minima are one statute mile for aircraft having two engines or less and one-half statute mile for aircraft having more than two engines. Specified ceiling and visibility minima will allow visual avoidance of obstacles during the initial climb at the standard climb gradient.
If a usable precision approach is available: 600' ceilings AND 2 SM of visibility. If only a non-precision approach is useable: 800' AND 2 SM of visibility. If no instrument approaches are available: Descent from the MEA and landing must be conducted under basic VFR.
What is the longest flight in the world by distance? The longest flight in the world by distance is New York (JFK) to Singapore (SIN) on Singapore Airlines clocking in at 9,537 miles. What plane can fly the farthest in the world?
The longest over water route in the world is the stretch between the U.S. mainland and Hawaii. Even between Hawaii and Tokyo there are alternate airports available, such as Midway Island (hence the name “Midway”). Going across the North Atlantic, alternates include Iceland and Greenland.