01 Introduction to Comms

Question 1

Effect of a stuck PTT button?

Answer 1

It can block a frequency, preventing all communications between ATC and aircraft on that frequency.

Question 2

MSAW?

Answer 2

Minimum Safe Altitude Warning

Question 3

MSA?

Answer 3

Minimum Sector Altitude

Question 4

RNAV?

Answer 4

Area Navigation

Question 5

APV?

Answer 5

Approach with Vertial guidance

Question 6

LPV?

Answer 6

Localizer Performance with Vertical Guidance

Question 7

CTA?

Answer 7

Control Area (Above the ground)

Question 8

CTR?

Answer 8

Control Zone (From the surface to a specific limit)

Question 9

TMA?

Answer 9

Terminal Manouvering Area?

Question 10

MLS?

Answer 10

Microwave Landing System

Question 11

HJ?

Answer 11

Sunrise to sunset

Question 12

HN

Answer 12

Sunset to runrise

Question 13

HO

Answer 13

Service avalaible to meet operational requirements.

Question 14

HS

Answer 14

Service Available During Hours of Scheduled Operations

Question 15

HX

Answer 15

No Specific Working Hours

Question 16

H24

Answer 16

Continous Day and night operations

Question 17

Garbled?

Answer 17

Not understood, Poor resolution.

Question 18

Clipped / Stepped on?

Answer 18

interrupted.

Question 19

QDM

Answer 19

Magnetic bearing to a station (ex: VOR)
(Direct me)

Question 20

QDL

Answer 20

Series of bearings taken at regular intervals

Question 21

QDR

Answer 21

Magnetic bearing from a station
(Direct Radial)

Question 22

QFU

Answer 22

Magnetic bearing of the runway in use

Question 23

QGE

Answer 23

Controlled descent through clouds

Question 24

QGH

Answer 24

Controlled descent through clouds

Question 25

QTE

Answer 25

True bearing from a station (True eminating)

Question 26

QTF

Answer 26

Position in relation to a point of reference or in latitude and longitude

Question 27

QUJ

Answer 27

True bearing to a station (True to the union jack)

Question 28

CAVOK?

Answer 28

CAVOK: Ceilling and Visibility OK. The phrase CAVOK can replace the groups of visibility, present weather and sky condition if the appropriate conditions apply at the same time. These are: * Visibility 10 km or more; * No cloud of operational significance (no cloud base under 5 000 ft or the highest MSA, whichever is greater, and no CB or TCU); * No weather of significance to aviation.

Question 29

Radio Bearing?

Answer 29

The angle between the apparent direction of a definite source of emission of EM waves and the refernece signal.

Question 30

VDF accuracy?

Answer 30

A: +/- 2 degrees B: +/- 5 degrees C: +/- 10 degrees D: Worse the class C **You must read back accuracy**

Question 31

Homer?

Answer 31

**A station that provides VDF on the approach frequency.**