This document provides definitions and explanations of over 100 terms related to aviation navigation. It covers topics such as instruments, systems, coordinates, units of measurement, components, procedures, weather, directions, and other essential concepts for air navigation. Definitions are grouped alphabetically from A to Z and include common acronyms. The document serves as a comprehensive glossary of navigation terminology for pilots, students, and others interested in aviation.

1. NAVIGATION
ABC

2. A
ALTIMETER, ATTITUDE,
ATTITUDE INDICATOR, AIR
SPEED
INDICATOR,ALTITUDE,
AIRWAY, ADVANCED
NAVIGATION, AIRSPACE,
ADF, AIR NAVIGATION,
AERONAUTICAL CHART,

3. B
BEARING, BEAM, BEACON,
BAROMETRIC ALTIMETER

4. C
COMPASS, COURSE,
CALCULATE, CEILING,
CHART

5. D
DIRECTION, DISTANCE,
DIRECTIONAL GYRO, DEAD
RECKONING, DME, DRIFT
ANGLE, DECLINATION

6. E
EAST, ETA, ETE, ET,
EARTH, EN ROUTE,
EQUATOR, ELAPSED TIME

7. F
FLIGHTPATH,
FLIGHTPLAN,
FREQUENCY, FIX

8. G
GYRO, GYROSCOPE,GROUND,
GENERAL PURPOSE RADAR,
GROUND SPEED, GPS, GREENWICH
MEAN TIME

9. H
HEADING, HORIZON,
HIGH-FREQUENCY,
HEADING INDICATOR,
HORIZONTAL SITUATION
INDICATOR (HSI)

10. I
INSTRUMENTS, ILS, IFR,
INERTIAL SITUATION
INDICATOR, INERTIAL
NAVIGATION SYSTEM,
INCLINATION

11. J
Jeppesen chart – a type of
aeronautical chart
produced by a USA
company and widely used
in aviation

12. K
KILOMETERS, KNOTS

13. L
LONGITUDE, LATITUDE, LATERAL,
LEVEL, LATERAL
NAVIGATION,LONG RANGE
NAVIGATION, LOCALIZER,
LANDMARK, LATERRAL
NAVIGATION (bočna navigacija),
LADAR (laser radar)

14. M
MILES, METERS,
MAPS,MAGNETIC
COMPASS, MAGNETIC
BEARING,

15. N
NON-DIRECTIONAL GYRO,
NAVIGATION, NAUTICAL
MILE, NONDIRECTIONAL
RADIO BEACON, NAVAID,
NORTH

16. O
OBSTRUCTIONS,
OBSERVATION, OFF COURSE,
ON COURSE, ONCOMING
AIRFLOW

17. P
POSITION, PLOTTING,
PILOTAGE

18. Q
QNH (quasi-non-hydrostatic)

19. R
ROUTE, RADIO, RECEIVER,
RADAR, REMOTE, RANGE,
RADIO MAGNETIC INDICATOR

20. S
SYSTEM, SITUATION,
SPACE, SATTELITE, SPEED,
SEA LEVEL, SOUTH

21. T
TRANSPONDER,
TRANSMIT, TRANSMITTER,
TACAN, TURN INDICATOR,
TRACK

22. U
UNEXPECTED WEATHER
CONDITIONS,
UNCONTROLLED
AIRSPACE,UNLIMITED
CEILINIG , UNIT OF DISTANCE

23. V
VORTAC, VFR, VHF, VOR,
VERTICAL SPEED
INDICATOR

24. W
WIND, WEATHER,
WEATHER RADAR, WEST

25. X
XTK (CROSS TRACK DISTANCE)
– BOČNA UDALJENOST OD
KURSA
XTRK ( CROSS TRACK ERROR)
-GREŠKA BOČNOG
ODSTUPANJA OD KURSA

26. Y
YARD, YELLOW ARC, YAGI
ANTENNA(radio antenna)
Yagi antenna is a highly
directional antenna used for
high-frequency radio
communications.
Yellow arc on the dial of an
airspeed indicator identifies a
range of airspeeds that can be
safely flown in calm air, but the
aircraft must not be flown at
these speeds in roughmair.

27. Z
Z-MARKER
A type of directional radio
beacon used to mark a
specific location along an
airway or along an
instrument approach
course