I have a quick question. Here's what the IPH (p.2-27) states on OROCAs:
"OROCAs depicted on en route charts do not provide the pilot with an acceptable altitude for terrain and obstruction clearance for the purposes of off-routes, random RNAV direct flights in either controlled or uncontrolled airspace. OROCAs are not subject to the same scrutiny as MEAs, MVAs, MOCAs, and other minimum IFR altitudes. Since they do not undergo the same obstruction evaluation, airport airsapce analysis procedures, or flight inspection, they cannot provide the same level of confidence as the other minimum IFR altitudes."
Given that, how do you decide your minimum IFR altitude when you file off-airway routes?
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