Adjust the published MDA/Derived Decision Altitude (DDA) and visibility criteria for the aircraft approach category, as appropriate, for factors that include...

ATP Airplane ACS › VI. Instrument Procedures › D. Non-precision Approaches

Adjust the published MDA/Derived Decision Altitude (DDA) and visibility criteria for the aircraft approach category, as appropriate, for factors that include Notices to Air Missions (NOTAMs), inoperative aircraft or navigation equipment, or inoperative visual aids associated with the landing environment, etc.