What is 123 rule in aviation?
What is 123 rule in aviation? Many pilots refer to this as the 1-2-3 rule: Plus or minus 1 hour from arrival, ceilings at least 2,000 feet and visibility at least 3 statute miles.
What is the 800 2 rule for IFR?
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 are the alternate minimums?
Basically, to qualify as an alternate airport, the alternate must have certain forecast weather conditions (600-2 for precision approach, 800-2 for non-precision.) These are the alternate minimums.
Can you fly VFR at night?
Prudent pilots typically set higher weather minimums for night VFR flights. FAR 91.157—In order to get a Special VFR clearance at night, you must have an instrument rating, an instrument-equipped airplane, 1 mile visibility, be able to remain clear of clouds, and a Special VFR clearance from air traffic control.
What is the rule of thumb for true airspeed?
A very simple rule of thumb is to add 2% to the calibrated airspeed for every 1000 ft of altitude.
What is the takeoff minimum for IFR?
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.
Who has the most authority on a plane?
(a) The pilot in command of an aircraft is directly responsible for, and is the final authority as to, the operation of that aircraft.
What is the 1500 rule FAA?
The Federal Aviation Administration (FAA) has established a special certification called a restricted privileges ATP certificate which allows pilots who have less than 1,500 hours of flight time or who are below the minimum age of 23 to serve as co-pilots until they have amassed the required number of hours.
Can pilots talk to ATC over ocean?
When communicating between a ground-based station like Air Traffic Control and an aircraft, the distance is somewhere in the middle. So, with an aircraft at 36,000 feet and the ATC radio tower at 100 feet, communication will be possible up to 250 nautical miles away.
What is the 3 hour airport rule?
According to the Department of Transportation (DOT), there are tarmac delay rules that US airlines must follow: Carriers are not allowed to hold a domestic flight on the tarmac for more than three hours and an international flight for more than four hours, barring a couple of exceptions (like if the pilot deems it's ...
Can a pilot overrule ATC?
(a) The pilot in command of an aircraft is directly responsible for, and is the final authority as to, the operation of that aircraft. (b) In an in-flight emergency requiring immediate action, the pilot in command may deviate from any rule of this part to the extent required to meet that emergency.
Does ATC know your alternate?
ATC receives only your filed destination, not the alternate. This is why ATC has to ask where a pilot wants to divert. To give ATC a heads up on where you want to go, you can write it in the remarks section, which is transmitted to ATC.
What is 80 20 airport rule?
The 80:20 rule means airlines need to use their take-off slots at least 80% of the time in order to retain them. A justified non-use provision will be retained to prevent airlines flying ghost flights.