OROCA and MSA are similar in concept but only difference to point out is the distances from specific point where obstacle clearance is guaranteed.
MSA uses 25nm and OROCA published for a particular quadrant.
For example, let's say that you went missed on ILS under lost comm for whatever the reason, and plan on making another attempt on same approach.
Since we are within 25nm from the NAVAIDS(such as VOR, NDB etc...), would you really compare two altitudes and fly the highest ?
I do not want the real life tips, but the one that sounds legal!
Thanks.
John.
MSA uses 25nm and OROCA published for a particular quadrant.
For example, let's say that you went missed on ILS under lost comm for whatever the reason, and plan on making another attempt on same approach.
Since we are within 25nm from the NAVAIDS(such as VOR, NDB etc...), would you really compare two altitudes and fly the highest ?
I do not want the real life tips, but the one that sounds legal!
Thanks.
John.