The main reason to have derived alternate minimum is for Part 121 and 135 operators the ability to have lower alternate weather minimums in respect to the navigational facilities for their alternate airports. CO55 is an exception given to a company's operation specification by the…
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When dispatching or flying as IFR, it is important to check the weather at ETA at your destination airport in order to comply with regulations. First off, the destination airport need to comply with § 121.613 regardless if the operation is domestic, flag, or supplemental. §…
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An aircraft dispatcher is a licensed aviation professional who works from the ground and shares equal authority with the captain in planning and authorizing flights. Their role focuses on ensuring safety and operational efficiency, which includes preparing flight plans, calculating fuel requirements, and monitoring weather…
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The responsibility of a Part 121 dispatcher is clearly stated in § 121.533. The pilot in command and the aircraft dispatcher are jointly responsible for the preflight planning, delay, and dispatch release of a flight in compliance with this chapter and operations specifications. The PIC and…
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VDP (Visual Descent Point) according to the AIM: A defined point on the final approach course of a nonprecision straight‐in approach procedure from which normal descent from the MDA to the runway touchdown point may be commenced, provided the approach threshold of that runway, or…
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Instrument Approach Procedure (IAP) are a predetermined set of instructions for pilots to transition from an approach to landing phase. Each runway equipped with different navigational guidance, such as ILS, RNAV, VOR, etc., will contain an unique IAP chart to land at that airport. Margin…
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In Part 121 and Part 135 operations, there are limitations placed on the PIC (Pilot in Command) that has under 100 hours of service in their type of aircraft. These PICs are called High Minimum Captains. It is important for dispatchers and pilots themselves to…
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Ever wondered why we only look at visibility for IFR flight plans when determining if the destination airport is at or above landing minimums for Part 121? In Part 121, § 121.613 states that you cannot release an IFR flight plan unless the weather conditions…
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A Star (Standard Terminal Arrival Procedure) is a published instrument approach procedure that are used by pilots and ATC to transition from the en route phase to the approach phase of flight. It streamlines traffic into the airport, like "gates" into a baseball stadium. There…
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