Originally Posted by
vilas
sonicbum
Quoted below from Jeppesen The Chart Clinic 21st in a Series:
A number of years ago, the FAA created a definition for the final approach fix on precision approaches. Because FAR Part 121 and 135 operators can continue the approach if the weather goes below minimums and the airplane has passed the final approach fix, it was necessary to define a precision FAF when using the glide slope.
Sonicbun = EASA AirOps (but only 1000ft AAL, not OM or equivalent anymore)
Vilas = FAA