What is the 123 rule in aviation?


What is the 123 rule in aviation? 1 hour before to 1 hour after your ETA (at the listed destination), the ceiling will be at least 2,000' AGL, and the visibility will be at least 3 SM. It's called the 1-2-3 rule; this is the easiest way to remember this section.


What is the 600 2 800 2 rule?

A ceiling of at least 600 feet and a visibility of two statute miles if the airport has a precision approach (ILS Approach) A ceiling of at least 800 feet and a visibility of two statute miles if the airport has a non-precision approach (RNAV/GPS or VOR)


Is IFR harder than VFR?

IFR flying is astronomically more challenging than VFR flying, but those pilots who achieve this distinction are invariably more equipped to fly IFR and VFR. Aviating under IFR, a pilot is authorized to fly into clouds in what is called zero visibility. All of the VFR-pilot privileges also apply.


What is the takeoff minimum?

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.


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 far 135?

If there are no applicable runway-specific limitations, the standard takeoff minimum under Part 135 for aircraft with one or two engines is one statute mile.


What is the minimum alternate for IFR?

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 minimum altitude to turn after takeoff?

If a low turn is required, the minimum height above ground for turn initiation is the greater of 50' or one half of the wing span of the aircraft. The maximum allowable bank angle below 400' AGL is 15 degrees.


What is the rule of 20 in aviation?

Definition: The 5/20 rule is a norm of the Indian Aviation Ministry under which national carriers are required to have five years of operational experience and a fleet of minimum 20 aircraft to fly overseas. This is applicable to all commercial aviation organisations flying passengers.


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.


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.


Why do pilots prefer IFR over VFR?

Why Do Pilots Prefer IFR Over VFR? IFR provides pilots with greater flexibility when it comes to controlled airspace, weather conditions, and career opportunities.


What is the maximum hours a pilot can fly?

An airline transport pilot can fly up to 8 hours per 24 hour period and up to 10 hours if a second pilot is aboard. Pilots are required to rest a minimum of 16 hours postflight. Some variances to these regulations exist depending on the company's operations specifications.


Can you fly IFR without ATC?

In theory, a pilot can operate in sub-VMC conditions under IFR without an ATC clearance in Class G airspace. However, to enter or operate in controlled airspace under IFR, an ATC clearance is required.