CANPAConstant Angle Non Precision Approach (aviation)
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CanPA began its affiliation with the NPA as an association member and two years later, on March 26, 1997, the CanPA and the NPA consolidated to form the Composite Panel Association.
In response, the CANPA procedures were developed, encouraging operators to establish a stabilized, constant-rate descent after crossing the FAF or a step-down fix, with the idea of arriving at or near the MDA and sighting the runway environment at roughly the same time.
These days, CANPA has won that war, and things are safer.
With a CANPA, you begin a descent at the FAF or other designated point and follow a standard angle descent to the MDA, clearing any intermediate stepdowns.
At many GA airports, the obstacle and terrain environments don't lend themselves to the CANPA method.
Proponents claim that CANPA offers what often is missing from an NPA: stability in descent rates, power settings and the airplane's pitch angle.
VDAs enable Continuous Descent Final Approaches (CDFA, also known as Constant-Angle Non-Precision Approach, CANPA) on non-precision approaches.
CADP stands for Constant Angle Descent Point, and is the acronym I've given to the delayed descent point from the FAF to accommodate a Constant Angle Non-Precision Approach (CANPA).
Of course, this only matters if you manage a Constant Angle Non-Precision Approach (CANPA).