CTHIn ForceLegislation
Manual of Standards Part 173—Standards Applicable to Instrument Flight Procedure Design
(b) by adding forecast tolerances for ce(b) by adding forecast tolerances for ceiling and visibility to the minima of the second lowest independent approach procedure suitable for the operation and for which the aircraft is equipped.
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(b) by adding forecast tolerances for ceiling and visibility to the minima of the second lowest independent approach procedure suitable for the operation and for which the aircraft is equipped.
Note: If State forecast tolerances cannot be determined, or there is a doubt on the availability/reliability of the approach aid, a ceiling tolerance of 500 ft and visibility tolerance of 2 km must be used.