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Paul12

Chart question

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I do not understand what the following numbers of the uploaded Frankfurt chart mean : ( VOR RWY 07 L )See VOR + DME at the bottom.There are three numbers,830 in bold,500 in brackets and 1500 m below. According to my calculations it cannot be a a metric/feet conversion as I thought.What are they then ?I also noticed a TCH 50 ( on the right side of the chart ) What does this stand for ?Your help is appreciatedHerbert Werner

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830 - Minimum Decision Altitude MDA - set as BARO in FEET on the PFD against the local QNH. The height at which visual reference to the landing RWY should be achieved or a Missed Approach commenced. A, B , C & D refer to ICAO Aircraft Categories. VOR DME indicates that this is a Non-Precision Approach using VOR & DME data for navigation reference/guidance.500 - Height in FEET above airport level (aal).1500 - Runway Visual Range (RVR) in METRES - visibility required to conduct the approach.TCH - Threshold Crossing Height - the minimum height at which the aircraft should cross the landing runway threshold. This is particularly important in the case of large passenger transport aircraft where a lower height across the threshold may cause the main landing gear or underside of the fuselage to come into contact with obstacles such as fences or approach lighting systems.

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830 - Minimum Decision Altitude MDA - set as BARO in FEET on the PFD against the local QNH. The height at which visual reference to the landing RWY should be achieved or a Missed Approach commenced. A, B , C & D refer to ICAO Aircraft Categories. VOR DME indicates that this is a Non-Precision Approach using VOR & DME data for navigation reference/guidance.500 - Height in FEET above airport level (aal).1500 - Runway Visual Range (RVR) in METRES - visibility required to conduct the approach.TCH - Threshold Crossing Height - the minimum height at which the aircraft should cross the landing runway threshold. This is particularly important in the case of large passenger transport aircraft where a lower height across the threshold may cause the main landing gear or underside of the fuselage to come into contact with obstacles such as fences or approach lighting systems.
Thanks for your comprehensive information.

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