A free Premium account on the FCL.055 website! Read here
Sign up to unlock all our services and 15164 corrected and explained questions.

Question 290-1 : Blind transmission shall be made ? [ Diploma registration ]

On the designated frequency frequency in use

Question 290-2 : The expression 'transmitting blind due to receiver failure' implies that no answer is expected it shall be used by ?

An aircraft station being aware of receiver failure.

exemple 394: An aircraft station being aware of receiver failure
An aircraft station doing blind transmissions at a 'non-towered' airfield. a radar controller performing a par or sre final approach. a ground station broadcasting information to all listening stations.

Question 290-3 : What is the consequence of a microphone button stuck on transmit switched on ?

The frequency can not be used by others.

exemple 398: The frequency can not be used by others
Readability will improve for all stations. none. other stations will have to use the ''words twice'' technique.

Question 290-4 : Within the european region an aircraft experiencing radio communication failure on an ifr departure has to squawk 7600 and ?

Maintain the level last assigned by the atc for a period of 7 minutes and then climb in accordance with the flight plan.

exemple 402: Maintain the level last assigned by the atc for a period of 7 minutes and then climb in accordance with the flight plan
Climb immediately to the cruising level indicated in the flight plan. land at the departure aerodrome in any case. maintain the altitude last assigned by atc for a period of 5 minutes and then continue in accordance with the flight plan.

Question 290-5 : In a metar ?

The wind direction is measured relative to true north.

exemple 406: The wind direction is measured relative to true north
If no significant changes, message is updated with intervals of 20 minutes. given visibility is the lowest horizontal visibility. only cb clouds are reported.

Question 290-6 : Approaching runway 34 under a moderate rain atc passes the following information 'runway covered with a film of water of less than 3 mm' you have to expect ?

A medium to good braking action.

exemple 410: A medium to good braking action
A good braking action. a braking coefficient of 50% a contaminated runway.

Question 290-7 : Under fog condition what is the correct way of transmitting visibility by the atc ?

500 m.

exemple 414: 500 m
500 ft. 0,5 km. 500 yard.

Question 290-8 : A radiotelephony distress message should start with the following signal ?

Mayday mayday mayday.

exemple 418: Mayday mayday mayday
Detresfa, detresfa, detresfa pan pan, pan pan, pan pan urgency, urgency, urgency

Question 290-9 : An aircraft in distress shall send the following signal by radiotelephony ?

Mayday mayday mayday.

exemple 422: Mayday mayday mayday
Pan pan, pan pan, pan pan urgency, urgency, urgency detresfa, detresfa, detresfa

Question 290-10 : An aircraft in state of emergency shall squawk ?

Code 7700.

exemple 426: Code 7700
Code 7500 code 6700 code 7600

Question 290-11 : An urgency message shall be preceded by the radiotelephony urgency signal ?

Pan pan spoken three times.

Icao annex 10 chapter 2 533 radiotelephony urgency communications5331 action by the aircraft reporting5232 an urgency condition53311 in addition to being preceded by the radiotelephony urgency signal pan pan preferably spoken three times and each word of the group pronounced as the french word 'panne' the urgency message to be sent by an aircraft reporting an urgency condition shall a be on the air ground frequency in use at the timeb consist of as many as required of the following elementsspoken distinctly and if possible in the following order 1 the name of the station addressed2 the identification of the aircraft3 the nature of the urgency condition4 the intention of the person in command5 present position level ie flight level altitude etc as appropriate and heading6 any other useful information
exemple 430: Pan pan spoken three times
Alerfa, spoken three times. urgency,spoken three times. mayday, spoken three times.

Question 290-12 : Distress is defined as ?

A condition of being threatened by serious andor imminent danger and requiring immediate assistance.

Icao annex 10 volume 2 aeronautical telecommunications53 distress and urgency radiotelephony communication procedures5311 distress and urgency traffic shall comprise all radiotelephony messages relative to the distress and urgency conditions respectively distress and urgency conditions are defined as a distress a condition of being threatened by serious andor imminent danger and of requiring immediate assistanceb urgency a condition concerning the safety of an aircraft or other vehicle or of some person on board or within sight but which does not require immediate assistance
exemple 434: A condition of being threatened by serious andor imminent danger and requiring immediate assistance
A condition concerning the safety of a person on board or within sight and requiring immediate assistance. a condition concerning the attitude of an aircraft when intercepting the localizer during an ils approach. a condition concerning the safety of an aircraft or of a person on board, but which does not require immediate assistance.

Question 290-13 : The distress message shall contain as many as possible of the following elementsdetails ?

Aircraft call sign nature of distress pilot's intention present position level and heading.

exemple 438: Aircraft call sign nature of distress pilot's intention present position level and heading
Aircraft call sign, present position, assistance required aircraft call sign, aerodrome of departure, position and level aircraft call sign, route of flight, destination airport

Question 290-14 : The frequency used for the first transmission of a 'mayday' call shall be ?

The frequency currently in use.

exemple 442: The frequency currently in use
Any other international emergency frequency any frequency at pilot's discretion the distress frequency 121.5 mhz

Question 290-15 : Urgency is defined as ?

A condition concerning the safety of an aircraft other vehicles or of a person on board but which does not require immediate assistance.

exemple 446: A condition concerning the safety of an aircraft other vehicles or of a person on board but which does not require immediate assistance
A condition of being threatened by serious and/or imminent danger and of requiring immediate assistance a condition concerning the safety of a person on board or within sight and requiring immediate assistance a condition concerning the attitude of an aircraft when intercepting the localizer during an ils approach

Question 290-16 : What action should be taken by the aircraft station first receiving a distress message ?

Immediately acknowledge the distress message.

Annex 10 volume 2 53 distress and urgency radiotelephony communication procedures 5322 action by the station addressed or first station acknowledging the distress message a immediately acknowledge the distress message b take control of the communications or specifically and clearly transfer that responsibility advising the aircraft if a transfer is madec take immediate action to ensure that all necessaryinformation is made available as soon as possible to 1 the ats unit concerned2 the aircraft operating agency concerned or its representative in accordance with pre established arrangementsd warn other stations as appropriate in order to prevent the transfer of traffic
exemple 450: Immediately acknowledge the distress message
Ask the station to change to frequency 121.5 mhz. request the nature of emergency in progress, and request further intentions. request position of the station in distress.

Question 290-17 : What are the propagation characteristics of vhf ?

Practically straight line similar to light waves.

Light waves and radio waves are both electromagnetic waves differing onlyin frequency and wavelengthelectromagnetic waves travel in straight lines unless acted upon by some outside forcevhf propagation characteristics are ideal for short distance terrestrial communication with a range generally somewhat farther than line of sight from the transmitter
exemple 454: Practically straight line similar to light waves
The waves are reflected at the ionosphere at the height of about 100 km and reach the earth surface in the form of sky-waves. the waves travel along the surface of the earth and penetrate into valleys in a way that topographical obstacles have no influence. similar to short waves with practically no atmospheric disturbance.

Question 290-18 : A message concerning a protected medical transport operated by aircraft assigned exclusively to medical transportation shall be preceded by the signal ?

Pan pan medical.

exemple 458: Pan pan medical
Medical transport protected transport pan pan transport

Question 290-19 : A signal sent by radiotelephony consisting of the spoken word mayday mayday mayday means ?

Imminent danger threatens the aircraft and immediate assistance is required.

exemple 462: Imminent danger threatens the aircraft and immediate assistance is required
The aircraft has a message to transmit concerning adverse weather conditions along its route of flight. the aircraft is forced to perform a fuel dumping procedure. the aircraft has a very urgent message to transmit concerning the safety of a ship, aircraft or vehicle.

Question 290-20 : A signal sent by radiotelephony consisting of the spoken words pan pan pan pan pan pan means ?

The aircraft has a very urgent message to transmit concerning the safety of a ship aircraft or other vehicle but immediate assistance is not required.

exemple 466: The aircraft has a very urgent message to transmit concerning the safety of a ship aircraft or other vehicle but immediate assistance is not required
The aircraft is diverting from the route cleared because of a thunderstorm and asks for immediate reclearance an aircraft on final approach is starting the missed approach procedure imminent danger threatens the aircraft and immediate assistance is required

Question 290-21 : An aircraft squawking 7700 indicates to the ground station that ?

The aircraft is in distress.

Question 290-22 : On hearing an urgency message a pilot shall ?

Monitor the frequency to ensure assistance if required.

exemple 474: Monitor the frequency to ensure assistance if required
Impose radio silence on the frequency in use change the frequency, because radio silence will be imposed on the frequency in use acknowledge the message immediately

Question 290-23 : Radio silence can be imposed by an aeronautical station in case of ?

Distress traffic.

exemple 478: Distress traffic
Urgency communication. overload of the frequency. technical difficulties.

Question 290-24 : The distress communication and silence conditions shall be terminated by transmitting a messagewhich words shall this message include ?

Distress traffic ended.

exemple 482: Distress traffic ended
Emergency communication finished mayday traffic ended disregard distress communication, out

Question 290-25 : The distress signal and the distress message to be sent by an aircraft in distress be on ?

The air ground frequency in use at the time.

exemple 486: The air ground frequency in use at the time
The emergency frequency in any case the regional guard frequency the fis frequency designated for the airspace concerned

Question 290-26 : The urgency message to be sent by an aircraft reporting an urgency condition shall contain at least the following elementsdetails ?

Aircraft call sign nature of the urgency condition pilot's intention present position level and heading.

exemple 490: Aircraft call sign nature of the urgency condition pilot's intention present position level and heading
Name of the station addressed, present position, assistance required aircraft identification, aerodrome of departure, level and heading aircraft call sign, destination airport, eta at destination, route of flight

Question 290-27 : What do the spoken words pan pan medical mean ?

The message which follows concerns a protected medical transport operated by aircraft assigned exclusively to medical transportation.

exemple 494: The message which follows concerns a protected medical transport operated by aircraft assigned exclusively to medical transportation
The phrase/signal is inadmissible in radiotelephony. the aircraft has an urgent need of medical care upon landing at destination airport. the aircraft has a sick passenger on board and requests priority to land.

Question 290-28 : When an aircraft is no longer in distress it shall transmit a message cancelling the distress conditionwhich words shall this message include ?

cancel distress.

exemple 498: cancel distress
... mayday cancelled ... distress condition terminated ... mayday, resuming normal operations

Question 290-29 : When an aircraft station receives the call all stations stephenville radar distress traffic ended it is requested ?

To resume normal communication with stephenville radar.

exemple 502: To resume normal communication with stephenville radar
Discontinue communication with stephenville radar. to impose silence to other stations in its vicinity. acknowledge receipt of this message.

Question 290-30 : When an aircraft station receives the call all stations stephenville radar stop transmitting mayday it is requested ?

Not to interfere with the distress communication.

exemple 506: Not to interfere with the distress communication
To leave the frequency in use. to assist stephenville radar in handling the distress traffic. to continue normal communication on the frequency in use.

Question 290-31 : Which of the following messages shall a station in control of distress use to impose silence ?

Stop transmitting mayday.

exemple 510: Stop transmitting mayday
Stop transmitting, distress. stop transmitting, emergency. all stations in this frequency, mayday traffic.

Question 290-32 : The term pan pan medical is pursuant to which convention ?

Geneva.

exemple 514: Geneva
Tokyo. stockholm. chicago.

Question 290-33 : To which frequency bands do the frequencies 118000 136975 mhz of the aeronautical mobile service belong ?

Very high frequency.

Aeronautical mobile service a mobile service between aeronautical stations and aircraft stations or between aircraft stations in which survival craft stations may participate emergency position indicating radio beacon stations may also participate in this service on designated distress and emergency frequenciesicao annex 10 412 frequency separation and limits of assignable frequencies4123 in the band 117975 137 mhz the lowest assignable frequency shall be 118 mhz and the highest 136975 mhz
exemple 518: Very high frequency
Medium frequency. low frequency. very low frequency.

Question 290-34 : Under which of the following circumstances may you expect a solid reception of the tower frequency 1182 mhz ?

Aircraft at high level in the vicinity of the ground station.

1182 mhz is classified as very high frequencies vhf which are line of sight frequencies with practically no ground wave element the vhf range increases with height and the closer you are from the station the better reception you can expect
exemple 522: Aircraft at high level in the vicinity of the ground station
Aircraft at low level, in the vicinity of the ground station, in the radio shadow zone of a hill. aircraft at low level, far away from the ground station, in the radio shadow zone of a hill. aircraft at low level but far away from the ground station.

Question 290-35 : Under which of the following circumstances shall an aircraft squawk 7700 ?

In distress.

exemple 526: In distress
When flying within controlled airspace when passing the transition level when following a sid

Question 290-36 : Under which of the following circumstances shall an aircraft station squawk 7600 ?

In case of radio communication failure.

Doc 4444 883 failure of equipment8831 aircraft radio transmitter failure88311 if two way communication is lost with an aircraft the controller should determine whether or not the aircraft's receiver is functioning by instructing the aircraft on the channel so far used to acknowledge by making a specified manoeuvre and by observing the aircraft's track or by instructing the aircraft to operate ident or to make ssr code andor ads b transmission changesnote transponder equipped aircraft experiencing radiocommunication failure will operate the transponder on mode a code 7600
exemple 530: In case of radio communication failure
When entering bad weather areas. when approaching a prohibited area. when flying over desert areas.

Question 290-37 : What is normally used for atis broadcasts ?

Discrete vhf frequency orand vor.

exemple 534: Discrete vhf frequency orand vor
Voice channel of an ils. ndb frequencies. dme voice channel.

Question 290-38 : What is the minimum frequency separation between consecutive frequencies in the vhf band within the icao eur region ?

833 khz.

As a solution to severe vhf spectrum congestion icao has split the vhf communications band from 25 khz to 833 khz channel spacing the minimum frequency separation between consecutive frequencies in the vhf band is 833 khz
exemple 538: 833 khz
75 khz 25 khz 50 khz

Question 290-39 : Which frequency shall be used for the first transmission of an urgency call ?

The air ground frequency in use at the time.

Icao annex 10 chapter 2urgency a condition concerning the safety of an aircraft or other vehicle or of some person on board or within sight but which does not require immediate assistance53311 in addition to being preceded by the radiotelephony urgency signal pan pan preferably spoken three times and each word of the group pronounced as the french word panne the urgency message to be sent by an aircraft reporting an urgency condition shall a be on the air ground frequency in use at the time b consist of as many as required of the following elements spoken distinctly and if possible in the following order 1 the name of the station addressed2 the identification of the aircraft3 the nature of the urgency condition4 the intention of the person in command5 present position level ie flight level altitude etcas appropriate and heading6 any other useful information
exemple 542: The air ground frequency in use at the time
Any frequency at pilot's discretion. the international emergency frequency. the regional guard frequency.

Question 290-40 : Which is the frequency band containing frequencies of the aeronautical mobile service ?

118000 136975 mhz.

Block allotment of frequencies in mhz is from 118 to 136975 inclusive
exemple 546: 118000 136975 mhz
108.000 - 117.975 mhz 1810 - 2850 khz 11650 - 13200 khz



Exclusive rights reserved. Reproduction prohibited under penalty of prosecution.

11559 Free Training Exam