Card Set Information
API 12 25
Tactical Pilotage Chart
: equally spaced concentric circles
: straight lines converging at poles
: constant distance
: Plot as straight lines
intended flight path
angular distance of the aircraft's longitudinal axis from a reference
acual flight path over the ground
angular difference between true north and magnetic north
connects points of equal variation
Mag Var Formulas
MC=TC - East Var
MC=TC + West Var
Each time zone is centered on a meridian that is a multiple of ________ degrees.
On lambert conformal one nautical mile equals __________ and can be measured along a __________ line.
one minute of arc , longitude
All merdians of Lambert conformal charts are oriented toward (true/magnetic) north pole.
_________ is a chart made from a cylindrical projection.
Primary and Secondary Compass Systems
Primary: Remote Gyro Vertical Compass Card
Secondary: Stand-by Compass (Wet Compass)
Three types of Electronic Navigation
Signals from Ground Stations (TACAN, VORTAC etc)
Self Transmitted Signals (Radar, Doppler etc)
Inertial Navigation System
Tacan radials are (true/magnetic)
For every ______ degrees celsius the temperature varies from standard, the altimeter will be in error ______%.
11 , 4
Enroute winds from a forecaster are ______ winds while surface winds received from ATC and Approach/Departure Control are ________ winds.
the angle between true heading and track
if the crosswind component is 10% of true airspeed, the Crab Angle should be 6 degrees.
amount of correction an aircraft must be turned into the wind in order to maintain desired course
The primary purpose of a jet log is _______.
How do you find CAS?
IAS corrected for instrument error
How do you find GS?
TAS corrected for head or tail winds
In order to find TAS, what information do you need?
PA, CAS, OAT
What information do you need to find the Mach number?
CAS and PA
What information do you need to calculate inflight winds?
TK, TAS, Winds
What are the 4 steps in flight planning?
1. True course and direction
2. True heading and Ground speed
3. Estimate time en-route using GS
4. Use time to estimate fuel consumption.
What is the main means of Navigation?
What are the 4 factors of Navigation?
Speed, Position, Direction, Time
How many great circles are Latitude Lines, Which ones?
What is the prime meridian?
The Great Circle that passes through Greenwich England
What is the 180 meridian?
International Date Line
What are the main instruments used in Navigation?
Clock, BDHI, and Airspeed Indicator
What are the 2 secondary instruments used in navigation?
Altimeter, OAT Gauge
What is the Remote Gyro Vertical Compass Card?
The BDHI. It is the primary means of direction.
What are forms of Ground Based Radar?
VORTAC and TACAN
What are forms of space based radar?
What are Longitude great circles referred to as?
What are the two types of charts used in Air Navigation?
Operational Navigation Chart (ONC)
Tactical Plan Chart (TPC)
What is a Lambert Conformal Chart?
A conformal chart where the parallels are curved and the straight lines are the meridians
What is used to measure True Course?
What is the plotter used for?
To measure direction
What are Dividers used for?
To measure distance
How many degrees are in 1 hour of rotation?
How do you find IAS?
Read it off of the cockpit gauge