Quiz
COMS TEST PREP4
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Fragen in diesem Quiz (55)
1152 VMC is:
- AO Short for Visual Meteorological conditions
- BO Concerns the way in which instrument flight rules may be interpreted
- CO Short for Very Marginal Conditions as broadcast by VOLMET
- DO Only to be used under direct air traffic control
2153 A VASIS indicates through the:
- AO Location of lights positioned at the touchdown end of a runway, the vertical disposition of an aircraft with regard to the correct height down the glideslope
- BO Radio Altimeter System, the vertical separation of conflicting air traffic
- CO EICAS the vertical disposition of the aircraft in respect to an airway centre line
- DO Aircraft ILS system, the attitude and position of the aircraft in relation to the glideslope
3154 The frequency range of a VDF station is:
- AO 30 MHz to 300 MHz
- BO 10 MHz to 200 MHz
- CO 3 MHz to 30 MHz
- DO 15 MHz to 400 MHz
4155 VORTAC is:
- AO A combined VOR and TACAN combination where the bearing is from the VOR element and the range from the TACAN element
- BO A combined VOR and TACAN combination where the bearing is from the TACAN and the range from the VOR
- CO Range and bearing are supplied from the TACAN element and the VOR is a switch on device
- DO TACAN refined for missed approach positioning
5156 A Notice to Airmen (NOTAM) is issued when:
- AO Information concerning the establishment, condition or change in any aeronautical facility, service, procedure or hazard needs to be promulgated
- BO An actual weather report is unavailable within the next period of 6 hours
- CO A TAF is not available
- DO A passenger shortfall is evident at the booking in stage
6157 The standard frequency range for UHF communications is:
- AO 300 to 3000 MHz
- BO 10 to 40 MHz
- CO 3000 to 6000 MHz
- DO 30 to 300 MHz
7158 A SIGMET is issued when:
- AO Significant weather phenomena which may affect the safety of the aircraft is forecast for en-route operations
- BO Snow is forecast at the destination airport
- CO SST operations are inhibited by significant solar activity
- DO Passenger handling is unavailable during the silent hours
8159 The standard frequency range for HF communications is:
- AO 3 to 30 MHz
- BO 300 to 3000 MHz
- CO 30 to 300 MHz
- DO 3000 + MHz
9160 CAVOK means:
- AO No cloud below 5000 feet or below the minimum sector altitude, whichever is greater; no CB, thunderstorms or precipitation; visibility 10 kms or more, no shallow fog, or low drifting snow
- BO The runway is dry
- CO No destination diversion is available
- DO No departure airfield diversion is available
10161 UTC:
- AO is an abbreviation for co-ordinated universal time
- BO concerns the availability of aircraft towing facilities
- CO concerns the notification of the closure of taxiways
- DO concerns the way in which the Earth is divided into time zones and the positioning of the International Date Line
11162 ETA is short for:
- AO Estimated time of arrival or estimated arrival
- BO Estimated terminal approach time
- CO Estimated terminal arrival time
- DO Equivalent time zone actual weather prefix
12163 A METAR is:
- AO An actual airfield meteorological report
- BO A departure point weather forecast
- CO An actual en-route weather report
- DO A destination alternate weather forecast
13164 ATIS is:
- AO Automatic Terminal Information Service
- BO Mode C
- CO A secondary surveillance radar device
- DO Provided by VOLMET
14165 RCC is:
- AO A Rescue Co-ordination Centre
- BO A VOLMET service
- CO An ATIS Service
- DO Concerns radiation warnings and is measured in milli-rems or milli-Sieverts
15166 A VOLMET service provides:
- AO Meteorological information for aircraft in flight
- BO Company operations information prior to departure
- CO Company information prior to arrival at destination
- DO Advises Flight Crew on the availability of Customs officials at first point of entry into the USA
16167 When an aircraft lands with QNH set the altimeter will read:
- AO Airfield elevation
- BO Flight Level
- CO Zero
- DO QFE and is the same as QNH
17168 SSR is:
- AO Secondary surveillance radar
- BO Primary surveillance radar
- CO Supersonic operations requirement
- DO To do with METAR and TAF information
18170 The production of a radio transmission can be likened to the operation of a switchable:
- AO Transformer
- BO AC electric motor
- CO DC motor
- DO DC generator
19171 One megahertz (MHz) is equal to:
- AO 1 000 000 Hz or 1000 kHz
- BO 10 000 Hz
- CO 1000 Hz
- DO 10 000 000 Hz
20172 An aerial is supplied with:
- AO AC current
- BO AC and DC power
- CO DC power
- DO An effective halve wave unmodulated carrier wave
21173 The radiation fields of an aerial consist of two varying elements that are perpendicular to each other:
- AO The magnetic and electrical fields
- BO The stator and rotor fields
- CO The magnetic and isogonal fields
- DO A variable carrier wave with a toroidal transmitter
22174 Wavelength can be determined from the formula:
Note: In some text books, the symbol for the basic radio wave frequency is C. For calculations, it is better to use 300 000 000 m s-1 and refer all dimensions to metres or fractions thereof:- AO 300/F = λ
- BO 300/λ = W
- CO 300/W = λ²
- DO F/300 = λ
23175 Which of the following statements is correct:
- AO The lower the frequency the longer the range and the highest frequencies are attenuated by moisture and are used in radar equipment
- BO The higher frequencies do not penetrate the ionosphere
- CO The higher the frequency of a radio wave the longer the range
- DO Smooth surfaces are very poor reflectors of radio waves.
24176 The maximum theoretical range of a VHF signal can be derived from the following formula:
- AO 1.25 x [? height if transmitter (ft) + ?height of receiver (ft)]
- BO Height of transmitter/height of receiver = the range in meters
- CO 1.25 x [height of transmitter (ft) + height of receiver (ft)]
- DO 1.25 x [height of transmitter² + height of receiver²]
25177 A detector and a discriminator remove the intelligence from the radio waves of:
- AO AM and FM sets respectively
- BO FM sets only
- CO Radar sets only
- DO AM sets only
26178 The HF radio frequency range is:
- AO 2850 to 22 000 kHz
- BO 121.5 to 243 MHz
- CO 108.0 to 117.95 MHz
- DO 2850 to 22 000 MHz
27179 A radio direction finding station will use the following Q code to pass a true heading (no wind ) to an aircraft to head for that station:
- AO QUJ
- BO QGE
- CO QTF
- DO QDM
28180 If QFE is set, the altimeter will read the height above the:
- AO QFE reference datum
- BO Pressure altitude of the stated reference point
- CO Standard pressure level
- DO Transition level
29181 A Class B position is accurate to within:
- AO 20 NM (37 km)
- BO 15NM (9 km)
- CO 10 NM (6 km)
- DO 30 NM (48 km)
30182 The order of priority when passing flight details is as follows:
- AO Callsign, aircraft type, position, heading, altitude, conditions, estimate, request
- BO Callsign, aircraft type, heading, altitude, estimate, conditions, request, position
- CO Callsign, altitude, estimate, request, position, aircraft type, heading, conditions
- DO Aircraft type, callsign, position, heading, altitude, conditions, estimate, request
31183 The priority of messages, in descending order, is:
- AO Distress, urgency, direction finding messages
- BO Direction finding messages, distress, urgency
- CO Height, speed, condition
- DO Flight regularity messages, meteorological conditions
32184 An example of the content of a flight regularity message is as follows:
- AO Messages concerning the servicing of the aircraft
- BO Individual requirements of passenger or crew members
- CO Individual dietary requirements of a passenger or crew member
- DO Weather on route
33185 A PAN message is defined as follows:
- AO A condition concerning the safety of an aircraft or other vehicle, or of some person on board or within sight, but does not require immediate assistance
- BO Medical assistance only is required immediately after the aircraft lands
- CO A condition of being threatened by serious and/or imminent danger and of requiring immediate assistance
- DO PAN is no longer used in aircraft telecommunications
34186 A request 'WORDS TWICE' means that:
- AO As a request, "communication is difficult, please send every word or group of words twice"
- BO Communication is difficult, please send all groups of words twice
- CO The receiver station is being switched off and this will be transmitted twice
- DO The alternative word, "acknowledge" need no longer be used
35187 BREAK BREAK is used to:
- AO Indicate the separation between parts of a message or messages
- BO Acknowledge a diplomatic meaning to a request
- CO Means that hi-jackers are on board and assistance is required after landing
- DO Used when entering a military combat zone under military radar
36188 To expedite communications, the use of phonetic spelling should not be used unless:
- AO Transmission conditions are poor and intelligibility of the message is distorted
- BO The message is to do with PAN
- CO Unless the message is to do with PAN MEDICAL
- DO The message is to do with MAYDAY
37189 In VHF communications the words:
- AO OUT and OVER are not normally used
- BO GO AHEAD and I SAY AGAIN are not normally used
- CO OUT and ROGER are not normally used
- DO STANDBY and VERIFY are not normally used
38190 A call to a station followed by the suffix ARRIVAL after its callsign is a transmission to:
- AO Approach control radar arrivals
- BO The tower
- CO Clearance delivery
- DO Approach control
39191 The words READ BACK mean:
- AO Repeat all, or the specified part, of this message back to me exactly as received
- BO Repeat all of this message back to me
- CO Repeat squawk
- DO Repeat cleared altitude
40192 An aircraft call sign shall be chosen from one of the following possibilities:
- AO The registration letters of the aircraft or, the telephony designator of the aircraft operating agency or, telephony designator of the operating agency followed by the flight identification number
- BO The registration letters of the aircraft or, the telephony designator of the operating agency
- CO The telephony designator of the operating agency and the flight identification number only
- DO The registration letters of the aircraft only
41193 An aircraft call sign may be abbreviated, once contact has been established and provided that no confusion is likely to occur, to the form of:
- AO The first and at least the last two characters of the registration letters or, the telephony designator of the operating agency and at least two characters of the aircraft registration
- BO All of the registration letters only
- CO The telephony designator of the operating agency and all registration letters
- DO The telephony designator of the operating agency and the last two numbers of the flight identification
42194 When a ground station wishes to broadcast information the message is prefaced by:
- AO ALL STATIONS
- BO CALL SIGNS………..
- CO AIRCRAFT IN MY VICINITY
- DO ALL CALL SIGNS
43195 If an ALL STATIONS call is made:
- AO No reply is expected unless individual stations are asked to acknowledge receipt
- BO No reply is ever to be made
- CO Acknowledgement of an ALL STATIONS call is mandatory
- DO It must be repeated after an acknowledgement of receipt is made
44196 The basic phraseology for transfer of control is:
- AO CONTACT (unit call sign - frequency) AT (place or time) IF NO contact (instructions)
- BO CONTROL CHANGE TO (unit call sign - frequency) OVERHEAD (place or time)
- CO TRANSFER TO (unit call sign - frequency) OVERHEAD (place or time)
- DO CHANGE TO (frequency - unit call sign)
45197 A route clearance should be ideally passed to an aircraft:
- AO Prior to start when work loads are low, mistakes are less likely to happen and aircraft manoeuvring is not taking place
- BO Just prior to take-off so that the pilot gets the latest information
- CO During the Take-Off Checks
- DO During taxi
46198 The words TAKE OFF are only to be used when:
- AO An aircraft is cleared for take-off or, when cancelling a take-off clearance. At all other times the words DEPARTURE or AIRBORNE is used. Readback is mandatory
- BO An aircraft is cleared to start
- CO When clearance delivery authorises its use
- DO An aircraft is cleared to line-up only
47199 A radio test procedure consists of the following items:
- AO The station identification being called, the aircraft call sign, the words RADIO CHECK shall be used and the frequency being used
- BO The station identification and the words RADIO CHECK only
- CO The words RADIO CHECK only
- DO The station identification being used, the aircraft call sign and the words RADIO CHECK
48200 The readability of test transmissions is classified as follows:
- AO 5 - perfectly readable to 1 - unreadable
- BO 5 - unreadable to 1 - perfectly readable
- CO Class A - perfectly readable to Class E - unreadable
- DO Class E - perfectly readable to Class A - unreadable
49201 A test call shall not continue for more than:
- AO 10 seconds
- BO 8 seconds
- CO 12 seconds
- DO 5 seconds
50202 A distress call content is to be as follows:
- AO 1. MAY DAY (three times if possible) on the frequency in use at the time
2. Name of station addressed (if time permits)
3. The aircraft identification
4. The nature of the distress condition
5. The intention of the person in command
6. Present position
7. Level (flight level, altitude, height)
8. Heading - BO 1. PAN (three times if possible)
2. Aircraft
3. Name of station addressed
4. The aircraft identification
5. The nature of the distress condition 6. Intentions 7. Level 8. Heading - CO 1. MAY DAY (three times if possible) on 121.5 MHz
2. Name of station addressed (if time permits)
3. Aircraft identification
4. The nature of the distress condition
5. intention of the person in command
6. Present position
7. Level
8. Heading - DO 1. MAY DAY (three times if possible) on 249 MHz
2. The aircraft identification
3. He intentions of the person in command
4. Level
5. Present position
6. Heading
- AO 1. MAY DAY (three times if possible) on the frequency in use at the time
51203 On receiving a distress call, the receiving station shall:
- AO Acknowledge, take control of communications, make sure all information is made available to ATS, the operating agency and warn other stations
- BO Acknowledge and transfer control of communications to the operating agency
- CO Acknowledge and transfer the distress aircraft to another frequency to avoid air traffic control conflict
- DO Acknowledge and transfer communications control to the aircraft in distress
52204 An urgency call content is to be as follows:
- AO PAN PAN PAN (on the frequency in use)
Name of station addressed
Identification of the aircraft
The nature of the urgency condition
The intention of the person in command - BO PAN PAN PAN
Aircraft identification
The intention of the person in command
Heading
Height
Position - CO MAY DAY (three times - this is mandatory)
Heading
Position
Level
Aircraft identification
The intention of the person in command - DO PAN PAN PAN (on 121.5MHz)
Present position
Heading aircraft identification
The intention of the person in command
The identification of the station being called
- AO PAN PAN PAN (on the frequency in use)
53205 Radar information relating to conflicting traffic should where possible be given in the following form:
- AO Relative bearing in clock terms, distance from, direction of flight of conflicting traffic, and level, type and relative speed (slow or fast). Relative movement should be described as closing, parallel, opposite direction etc
- BO Relative bearing in degrees T, speed, height and heading of conflicting traffic
- CO Relative bearing in degrees M, speed, height and heading.
- DO Relative bearing in degrees left or right, heading,speed, height
54206 Wind velocity is transmitted in:
- AO Degrees magnetic and knots
- BO Degrees True and knots
- CO Degrees True and MPH
- DO Degrees magnetic and MPH
55207 If an aircraft radio receiver fails the aircraft should:
- AO Transmit using the phrase TRANSMITTING BLIND DUE TO RECEIVER FAILURE at the scheduled times, or positions on the frequency in use and state the time of the next transmission. The SSR, if fitted, should be selected to 7600
- BO As above but squawk 7700
- CO As above but squawk 7500
- DO None of the above
Informationen
- Beschreibung
- COMS TEST PREP4
- Autor
- tsampikos pompou
- Sprache
- English
- Aufrufe
- 410
- Schlagwörter
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