CASA ATPL QUESTION
G’DAY ALL,
I’m having some trouble with a few NAV questions, specifically these two.
1. An aircraft is approaching to land and is exactly on the ILS glide slope as it crosses the outer marker. The airport elevation is 2,600ft with a publish OM crossing altitude of 4,200ft. The ATIS gives a QNH of 1013 hPa, temperature +40 degrees Celsius. Which answer best describes the expected indicated altitude as the outer marker is crossed?
A. 4,400ft
B. 4,200ft
C. 3,850ft
D. 4,050ft
2. An aircraft is overflying an aerodrome of elevation 3000ft. The aircraft altitude is 5000ft on an area QNH of 1013 hPa. OAT at 5000ft is +25 degrees. The true height above the aerodrome is:
a. 2000ft
b. 2375ft
c. 1650ft
d. 5375ft
Answer for 1 = D
Answer for 2 = B
Any ideas how to attack these?
Cheers!