Navigation Flashcards
Questions and statements for the PPL Navigation syllabus (40 cards)
A list of some properties of a Mercator’s Chart would be …
- approximately straight rhumb lines,
- great circles curved concave to the equator and
- conformal
With 1013 HPA set on the sub-scale of an altimeter, the hands of the altimeter will indicate …
pressure altitude
Refer WAC BRISBANE and ERSA
You are on track, enroute KILCOY NDB to MILES Township (approx 130 nm WNW of KILCOY NDB).
You have the following inflight data:
TAS ……………………… 130 kt
Groundspeed ………….. 150 kt
Heading ………………… 255 degrees M
Your calculation of the wind velocity you are experiencing is closest to
135M/35 kt
You are to takeoff using Runway 12. The current wind is 180M/30 kt.
The crosswind component on RWY 12 is
25 kt from the right
HDG and TAS have been constant from A to B.
p = 6 nm
D = 40 nm
The track error experienced is …
9 degrees L
D1 = 25 nm
D2 = 50 nm
You depart A with an ETA at C of 0220Z. You are 2 minutes late at check point B.
Your revised ETA for arrival at C is -
0226Z
Given the following information:
p = 10 nm
q = 4 nm
D1 = 60 nm
D2 = 80 nm
HDG and TAS have been constant since A.
The HDG change required at B to intercept FPT at X is
3 degrees L
Refer WAC MELBOURNE and ERSA.
At time 0200Z you set course overhead BENDIGO for WANGARATTA. 15 minutes later you divert left of track to avoid bad weather and fly eventually to overhead TATURA (west of SHEPPARTON).
You have the following inflight information overhead TATURA:
Cruise level …………………….. A055
GPWT wind at A055………… 33 035
TAS ……………………………… 115 kt
The new heading required to track direct from TATURA to WANGARATTA is -
061 degrees M
The CTA steps are centred on aerodrome A. The aircraft is at position X - 5000 ft AMSL. Climbing GS 120 kt.
If controlled airspace protection is desired (ie. remain at least 500 ft above the LL), the minimum % climb gradient required, for a continuous climb on track from X, is closest to -
2.50% climb gradient
You have held a constant HDG and TAS from A to B.
p = 3 nm
q = 6 nn
D1 = 90 nm
D2 = 45 nm
The alteration to your HDG required at B to intercept track at X is
10 degrees right
Refer WAC BRISBANE and ERSA.
You departed DALBY for TAROOM at 2300Z, holding a HDG of 315M. At time 2326Z you obtain a positive fix left of track, overhead CHINCHILLA Township.
Your calculation of the drift you have experienced and the new HDG required to fly from CHINCHILLA direct to TAROOM, are closest to
18 degrees left and 333M
A list of some properties of a Lambert’s Conformal Chart would be …
- approximately correct scale
- conformality (orthomorphism)
- approximately straight great circles
Magnetic variation can be described as …
the angular difference between true north and magnetic north, expressed in degrees east or west
WAC charts join accurately from …
East to West
On a WAC chart, parallels of latitude curve …
concave to the pole
Scale is contracted on a WAC between …
the standard parallels
Refer to the below:
p = 7.5 nm
D = 45 nm
T = 092 degrees M
You have held a constant HDG of 094M and a constant TAS from A to B.
You calculate the drift to be
8 degrees R
Your calculation of the End Of Daylight (EOD) at Darwin on the 1st of January is approximatly …
011005 UTC
Refer to the below information:
The distance from A to B is 70 nm and the FPT markers, p, q and r are at 20 nm intervals. On departure from A at 1230Z, the ETA for B was 1255Z. You are 2 minutes late at position X.
Your revised estimate for arrival at B is …
1302Z
Refer to the below:
p = 2 nm
q = 8 nm
D1 = 100 nm
D2 = 60 nm
HDG and TAS have been constant since departing A at 0540Z. You arrive at B at 0612Z and make an alteration to HDG to regain track in 60 nm.
Your calculation of the time when you will you regain track, 60 nm from B, is closest to …
0631Z
Navigating by visual reference means you should be able to …
fix position at intervals of 30 minutes or less
A Rhumb Line track is …
a line on the surface of a sphere which cuts all meridians at the same angle
Magnetic deviation is …
the angular difference between compass north and magnetic north, expressed in degrees East or West
Refer to ERSA:
After landing at YOUNG (YYNG) airport late in the afternoon, you plan to cancel your SARTIME via radio..
A radio frequency you could use would be …
6565 Khz
