Readback March 2016 Issue
Basic altimetry is well covered in various texts, but some aspects can be confusing. Thereís not enough material for a full article, but here are a few basics. To my knowledge, the only reason that a speed restriction would be used on an ODP is to reduce the turn radius. Since this procedure has a defined route, thatís probably whatís happening here. Regardless of their ability to actually see the airport, they were flying under IFR in weather below VMC.