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Marker beacons
"SUMMARY: The FAA is amending its regulations to reflect technological
advances that support area navigation (RNAV); include provisions on the use of suitable RNAV systems for navigation; amend certain terms for consistency with those of the International Civil Aviation Organization (ICAO); remove reference to the middle marker in certain sections because a middle marker is no longer operationally required; clarify airspace terminology; and incorporate by reference obstacle departure procedures into Federal regulations. The changes will facilitate the use of new navigation reference sources, enable advancements in technology, and increase efficiency of the National Airspace System." The bottom line answer to your question is that the test writers in Oklahoma City have always been several years behind the times. Take a knowledge test today and you will be faced with black-and-white weather maps that require diligent searching to find on the ADDS page...the color graphics that we use every day have not yet been recognized by the test writers. Bob Gardner "Christopher Brian Colohan" wrote in message .. . I am currently working through the King Schools IFR DVDs in preparation for my US IFR written. Something is really bugging me, and I figured someone here might know the answer.... (And I am too impatient to wait for my next lesson.) In one section of this course, we learn that the outer merker and middle marker used to matter. It used to be the case that if they were broken you had to increase your approach minimums by some amount. But the King's don't think we have to know why your minimums used to change, how the rule about minimums changed (other than getting abolished), or why the rule changed -- simply that it no longer matters any more, and you must know that since some FAA questions will try to "trick" you by giving you the old rules (which I don't know anyways) as potential answers. They then go and devote a whole section of the course to suitable substitutions for the broken devices. So now I know that if I want to ignore the outer marker on an ILS, and it happens to be broken, it is legal for me to substitute an NDB and ignore that instead. So my question is twofold: a) are marker beacons used for any real (regulatory) purpose any more, or are they simply for positional awareness? b) if the answer to (a) is "no, they are no longer used", why do we have to memorize a set of rules about what we can legally substitute for these unused beacons? Chris |
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