Features December 2017 Issue
Altimeters on Approach
Itís a simple instrument that just measures pressure. But we rely heavily on it to keep us safe when we canít see the ground. So, what to do when you canít get the local setting?
Reader David Novelli asked an innocent but probing question. His primary airport has an approach that says if the local altimeter setting is unavailable you should use one from a nearby field and adjust the minimums. Weíve all seen that, although few of us have actually had to take advantage of it.