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KMFR LOC/DME BC-B

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Key Takeaways:

  • The LOC/DME BC-B approach at Medford, Oregon (KMFR), is presented as an exceptionally challenging non-precision back course approach, characterized by steep descent gradients, a high Minimum Descent Altitude (MDA), surrounding high terrain, and a demanding missed approach procedure.
  • Flying back course approaches requires specific pilot techniques, such as setting the HSI course selector to the front course heading and correctly engaging the autopilot's BC mode to ensure proper navigation and avoid turning away from the runway.
  • The article strongly recommends the ILS or LOC RWY 14 approach (circling to land Runway 32) as a significantly safer alternative, offering a much lower MDA and the benefits of a glideslope compared to the complex BC-B approach.
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In this reintroduction of a past series of articles, we’ll fully dissect a particular chart or procedure. While many of the points we’ll make should be uncovered in a normal briefing, our analysis will extend far beyond. Our hope is that by exploring the edge cases of available procedures, you’ll better understand how to handle something that’s not quite in the mainstream of procedures you regularly fly.

The first chart in this periodic series is the rather odd LOC/DME BC-B approach at Medford, Oregon, KMFR. Let’s walk through it point by point. (To follow, match the highlighting colors on the chart (next page) to the text.)

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