What is the 1 2 3 rule for alternate airports?

What is the 1 2 3 rule for alternate airports? 14 CFR 91.169 (b) (2) (i) states that an alternate airport is not required if “for at least 1 hour before and for 1 hour after the estimated time of arrival the ceiling will be at least 2000 feet above the airport elevation and the visibility will be at least 3 statute miles.” To help remember those conditions of the ...

What is the 1-2-3 rule in aviation?

You need to name an alternate airport on your IFR flight plan if, for the period of time one hour before and one hour after your estimated time of arrival, the weather is forecast to include a ceiling of 2,000 feet agl and/or visibilities less than three statute miles (the 1-2-3 rule).

What are the 3 types of airports?

Regional airports support regional economies by connecting communities to statewide and interstate markets. Local airports provide access to intrastate and interstate markets. Basic airports link communities to the national airport system and support general aviation activities.

What are 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.

What is the 123 rule for alternates?

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 alternate rule?

14 CFR 91.169 (b) (2) (i) states that an alternate airport is not required if “for at least 1 hour before and for 1 hour after the estimated time of arrival the ceiling will be at least 2000 feet above the airport elevation and the visibility will be at least 3 statute miles.” To help remember those conditions of the ...

What airports can never be used as alternates?

Airports without weather reporting, or approaches with unmonitored approach equipment, can't be used as an alternate.

What are the criteria for alternate airport?

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.

What is the airport 3 1 1 rule?

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.

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.

How far away can an alternate airport be?

Not more than one hour from the departure airport at normal cruising speed in still air with one engine inoperative. (2) Aircraft having three or more engines. Not more than two hours from the departure airport at normal cruising speed in still air with one engine inoperative.

What is the 3.4 rule at the airport?

You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes in your carry-on bag and through the checkpoint. These are limited to travel-sized containers that are 3.4 ounces (100 milliliters) or less per item.

What is the 3 1 rule for descent?

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. For example, a descent from flight level 350 would require approximately 35x3=105 nautical miles.

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.

How many 3 oz bottles can I take on a plane?

The TSA's liquid limit for carry-ons—known as the 3-1-1 rule—allows travelers to pack liquids, aerosols, gels, creams, and pastes under 3.4 ounces (100 milliliters) in their carry-on bags. Passengers are allowed up to one quart-sized bag per person, or roughly nine 3.4-ounce containers in a single quart-sized bag.

What is the 500ft rule in aviation?

An altitude of 500 feet above the surface, except over open water or sparsely populated areas. In those cases, the aircraft may not be operated closer than 500 feet to any person, vessel, vehicle, or structure.

What is the golden rule in aviation?

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.