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A helpful reminder for CAT III weather

Category III RVR (RVR 300 / 75m)
Min Altitude	TDZ RVR	Mid RVR	Rollout RVR	Far End RVR
100' AH	Controls-RVR 300 (75m)	Controls-RVR 300 (75m)	Controls-RVR 300 (75m)	Advisory(if reported)
50' AH	Controls-RVR 300 (75m)	Controls-RVR 300 (75m)	Controls-RVR 300 (75m)	Advisory(if reported)
100' AH for A319/320, A330, B-747
50' AH B-757, B-767, B777
TDZ, Mid, and Rollout control if reported
Any one RVR may be inoperative
Far End is advisory only and may be inoperative.
Far End RVR (if installed) may be substituted for Inop Rollout

For training purposes only. Consult Ops Specs for approved CAT III requirements.