punk666:
Any final course within 30 degrees of the runway heading is classed as a straight in approach (FAA).
Not exactly. That is the case for VOR, NDB, and LDA.
15 degrees is the maximum for RNAV (LNAV or LP only) for CAT C and D.
CAT I ILS is limited to a 3 degree offset.
CAT II and III, zero offset.
Because the runway magnetic bearing sources used by chart makers can be less than sterling, we got the FAA to publish the actual offset of any ILS by the exact amount.
For ILS Jepp publishes the official offset in the ILS frequency box.
For RNAV with vertical guidance and RNP AR the offset is published in the briefing strip. RNP AR with any amount of RF legs in the final segment is not permitted any offset.
Can't speak for the myriad iterations of PANS-OPS. There is no substitute for a good airline technical department that has direct access to all of the aviation authorities for destination airports.