What is the 123 rule aviation?
What is the 123 rule aviation? It's called the 3-2-1 rule, and it's the easiest way to remember the regulation. To recap, if the weather at your destination isn't at least 3 SM of visibility and 2000' AGL ceilings from 1 hour before to 1 hour after your ETA, you need to file an alternate.
What is the 1 1 rule airport?
Liquids, gels and aerosols packed in carry-on must follow the 3-1-1 liquids rule: 3.4 ounces or less per container. 1 quart size, clear, plastic, zip top bag (all liquids must fit in bag) 1 bag per passenger.
What is 100m airport rule?
Any liquids carried in hand luggage must be in containers no larger than 100ml (3.4 fl oz) and placed in a transparent, resealable plastic bag no larger than 20 cm x 20 cm (7.9 inches x 7.9 inches).
Does Part 121 require 2 pilots?
§ 121.481 Flight time limitations: One or two pilot crews. (a) A certificate holder conducting flag operations may schedule a pilot to fly in an airplane that has a crew of one or two pilots for eight hours or less during any 24 consecutive hours without a rest period during these eight hours.
What is the 3 3 3 rule at the airport?
You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes through the checkpoint. These are limited to 3.4 ounces (100 milliliters) or less per item. This is also known as the 3-1-1 liquids rule.
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 the airport 45 minute rule?
To check-in and check bags at the airport, you must be there a certain amount of time before scheduled departure: Within the U.S. – 45 minutes. To or from destinations outside the U.S. – 60 minutes.
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.
What is the alternate airport rule?
If either the ceiling or visibility is forecast to be less than 2,000 feet or 3 statute miles during that arrival window, you are required to file an alternate. Also, the destination airport must have at least one instrument approach procedure or an alternate airport will always be required.