Which stake has a distance of 80 feet from the left edge?

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Multiple Choice

Which stake has a distance of 80 feet from the left edge?

Stakes for PAPI layout are placed at specific distances from the runway’s left edge to ensure correct lateral alignment of the approach lighting. The 80-foot offset from the left edge is the standard position for the outboard PAPI stake. The inboard stake sits at a different offset, and the MAAS exit sheave or the distance from the PAPI base to light lenses are not the stakes defined by this left-edge measurement. Therefore, the stake at 80 feet from the left edge corresponds to the outboard PAPI stake.

Stakes for PAPI layout are placed at specific distances from the runway’s left edge to ensure correct lateral alignment of the approach lighting. The 80-foot offset from the left edge is the standard position for the outboard PAPI stake. The inboard stake sits at a different offset, and the MAAS exit sheave or the distance from the PAPI base to light lenses are not the stakes defined by this left-edge measurement. Therefore, the stake at 80 feet from the left edge corresponds to the outboard PAPI stake.

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