A LITTLE BIT MORE ON ALTIMETRY
If you leave your altimeter on QFE-Dunstable you will
have an additional margin for error locally
this is not certain
If you reset your altimeter to QNH you
be able to
relate it to altitudes on the map
- Discuss !!!
You have got to decide if/when to re-set the altimeter
and to what
(QFE Dunstable is on your map/hand !!!)
give you height agl if it has a
terrain database but beware !!!!
the altimeter (or computer) below (say)
1000ft indicated - or as appropriate for the region and
use your judgement of height to use for circuit and