Exam Review Flashcards
R32/4500ft
Runway 32 active, RVR is 4500ft
LTG
Lighting
$
In need of maintencance
DSNT
VC
OS
DSNT: distant = greater than 10 miles away
VC: 5-10 miles from airfield
OS: 0-5 miles from center of airfield
Vertical visibility
Put into the main body of the METAR when there is TOTAL OBSCURITY (no ceiling layer is present)
Varying winds *V
> 60* and greater than 6 knots
Wind is in degrees from TRUE NORTH
Ceiling
The lowest layer aloft which is broken or overcast, OR the vertical visibility is used when the sky is totally obscured.
Write down H and L chart
IALT. TALT
H. ——— L
L. ——— H
Pressure instruments
Altimeter, VSI, ASI
VSI is not mandatory for IFR flight
ASI
Diaphragm vented to pitot, case vented to static
Kollsman window
Corrects for barometric/atmospheric pressure changes
VSI
Diaphragm vented to static, case vented to calibrated leak (lag delay of several seconds)
MSL
- 92Hg with a standard lapse of -1in per 1000ft
- 2mb/HP**
15C with a standard lapse of 2C per 1000ft
Absolute altitude
Measured above terrain
PA
Measured from above **standard datum plane