Study Guide Flashcards
Pass IFR written exam (77 cards)
What is the density altitude formula
pressure alt + (120 x (OAT - ISA_temperature))
At what altitude must you set altimeter to 29.92
18,000
For each 10% decrease in weight Va decreases what %?
5%
How many g’s in a 60% bank turn?
2g
Standard rate turn is how many deg / sec
3 deg, 360 in 2 mins
When turning to the north stop x degrees short
30 degrees
Altimeter must be within x ft of accurate?
75 ft
Level off what % of fpm?
10%
Corrrections of less than x ft is what on attitude indicator?
100 ft is 1/2 bar width
What is the order of fundamentals
Crosscheck, instrument interpretation, airplane control
How often must the VOR be checked?
Every 30 days
Vor acceptable errors?
+/- 6 in the air, +/-4 on ground, 4 when crosschecking
How many degrees per dot on vor?
2
How many degrees when vor fully deflected?
10
What are the vor ranges for H class vor?
40 nm up to 14.5 (top of class g), 100nm up to 18k
When off of established airways below 18k VORs should generally be how many miles apart?
80
When on VOR, displacement is how many feet per degree per nm?
100
When VOR is INOP, DME will signal once every x seconds at what hz?
Once every 30 seconds, at 1350hz
When 90 degrees from VOR, formula for distance? Formula for time?
D = ST/D T = 60*T/D
What forecast is necessary to not list an alt airport?
2k and 3SM
Standard Alt minimums?
800ft and 2SM for non precision, 600ft and 2SM for precision
What are the minimum ft clearances in normal, and mountainous terrain?
1000ft normal, 2000ft mountainous, 4nm horizontal clearance
At what altitude to you need DME?
24,000ft
Must cancel IFR plan within x minutes if you don’t depart?
30 minutes