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Manual of Standards Part 173—Standards Applicable to Instrument Flight Procedure Design
(i) horizontally, the boundary of the P (i) horizontally, the boundary of the P or R area does not infringe:
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(i) horizontally, the boundary of the P or R area does not infringe:
(A) for holding—the primary holding area plus a 1 NM buffer;
(B) for non-precision approach segments:
the primary area of Initial and Intermediate Approach segments plus a 1 NM buffer, and
the primary and secondary area of the Final Approach segment;
(C) for precision approach segments—the OAS W and X surfaces plus a 1 NM buffer.