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Non-Reciprocal LOC & BC
This was from another group.
At KBOI, until the current release, the approach charts showed, for the ILS10R and LOC BC 28L approaches magnetic courses of 100° and 278° respectively. The JEPP charts were changed with the current release; but the NACO charts probably still show it: http://naco.faa.gov/d-tpp/0610/00057IL10R.PDF http://naco.faa.gov/d-tpp/0610/00057LBC28L.PDF Could this have to do with the changes in magnetic variation when the charts were issued? In other words, if the charting method for a LOC course merely takes the true course, and then applies magnetic variation; and if the source showed different values for these two approaches, could that result in this apparent discrepancy? www.airnav.com does show (at least as of this morning) a two degree difference between the mag var for the airport, and that for the ILS10R approach. Ron (EPM) (N5843Q, Mooney M20E) (CP, ASEL, ASES, IA) |
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