What is the 123 rule for alternate flights?
What is the 123 rule for alternate flights? 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 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 ...
Is a destination alternate always required?
Almost all flights require Destination Alternates but Take-off and En-route alternates are only required in specific circumstances and the departure aerodrome may also be an en-route or destination alternate for the same flight.
Can you use an airport with no instrument approach as an alternate?
This is the ol' 1-2-3 rule. There are a couple of gotchas. If your destination has no approach, an alternate is always required. Curiously, though, the alternate need not have an instrument approach if the weather allows a descent from MEA under basic VFR, assuming the airport isn't otherwise disqualified.
What is the exemption for alternate airport?
Exemption 3585 allows the dispatcher to release a flight to an airport OR alternate when the TAF indicates, through the conditional statements (TEMPO, PROB, BECMG) that the weather could be below authorized landing minimums at the estimated time of arrival.
What is the problem with skiplagging?
Skiplagged deceives the public into believing that, even though it has no authority to form and issue a contract on American's behalf, somehow it can still issue a completely valid ticket. It cannot. Every 'ticket' issued by Skiplagged is at risk of being invalidated, the airline said.
What is the 40 1 rule for departure?
The 40:1 surface is calculated out to 22.09 nautical miles from the runway end within an arc of 180° centered along the runway centerline extended. These requirements are part of FAR Part 77.23(a)(3). This is TERPS criteria. The standard aircraft departure climb gradient (CG) is 200 feet per nautical mile.
What is the 10 24 rule in aviation?
(1) A rest required under paragraph (b)(1) of this section may be scheduled for or reduced to a minimum of 8 hours if the flight crewmember is given a rest period of at least 10 hours that must begin no later than 24 hours after the commencement of the reduced rest period.