ATS and Airspace Flashcards
What does PPR stand for?
Prior permission required
You’re inbound to an airfield subject to PPR. You have been unable to obtain PPR prior to departure. You arrive overhead and see an aircraft taxying but are unable to get R/T contact. Can you land?
Not unless emergency
Describe 2 of the objectives of ATS as defined by ICAO annex 11.
Prevent collision (air and ground) Expedite and maintain orderly flow Advice and info for safe & efficient flight Notify and assist SAR
What type of ATS is provided in Class G airspace?
Basic and traffic service if requested
What is the purpose of the alerting service?
Provide service to notify appropriate organisations regarding aircraft in need of SAR and assist such organisations as required
The callsign ‘tower’ indicates what type of ATSU?
Aerodrome control service Compliance mandatory
Which type of ATS is indicated by the callsign ‘information’?
Aerodrome flight information service Mandatory instructions on ground. Information in air
Can ‘information’ provide clearances?
No
Which type of ATSU has the callsign ‘radio’?
Air/ground radio info only, pilot discretion
Which 4 types of aerodromes have ATZs?
Government CAA licenced aerodrome EASA certified aerodrome
How do ATZs vary in size?
Runway <1850m - 2000ft, 2NM radius Runway >1850m - 2000ft, 2.5NM radius
Can you operate VFR in IMC conditions?
no
What’s minimum vis required for VMC in class G airspace at 2000ft with IAS 110kts?
5km
As a VFR flight do you need clearance to enter Class E airspace?
no
What is the definition of flight visibility?
The average forward distance that prominent unlit objects can be seen from
What is the transition altitude in UK class G?
3000ft
What type of altitude is a flight level?
alt with standard pressure 1013 set
What are the correct flight levels for the following magnetic tracks? 90 180 270 360
a) odd + 500
b) even + 500
c) even +500
d) odd +500
What is the purpose of a SVFR clearance?
Flight in CTR with weather minima below usual VFR
Vis >1500m & claer of cloud/ in sight of ground must still be met
WHo determines the flight visibility in a CTR?
ATC
ATC gives you SVFR clearnance on a route near high ground. Do you expect them to vector you around it?
no
ATC gives SVFR clarance on route that will go through ATZ. Who is responsible for obtaining the ATZ crossing clearance?
pilot
What is AFPEX?
flight plan software
‘Assisted Flight Planning Exchange Service’
You file a VFR flight plan. Which addresses are required?
Departure, destination, alternate aerodromes
London FIR
Foreign FIRs passing through
DeARTURE ON YOUR vfr FLIGHT PLAN FLIGHT I SDELAYED 45MINS. whAT DO YOU DO?
Submit delay message
VFR flight plan flight, did a weather diversion. Actions after landing?
Inform original destination
ATC gives you zone clearance with a climb profile you are unlikely to be able to achieve. What do you do?
unable to comply
could suggest alternative
What does a radar controller need to do before vectoring you?
locate you on the radar
What is the chart symbol for a TMZ?
Solid pinky red line with altitude
Some airfields have ‘VDF’ alongside their frequency on the 1/2 mil map. What does this signify?
VHF Direction Finding
The ground equipment for QDM QDR etc
Where in the UK will you find class E?
scottish airways
vfr, no radio required
How do ATC rules for VFR differ between Class E and Class D?
Class D - ATC clearance required to enter
Class E - no radio required
What does TMA stand for?
Terminal Manouevering Area
Generally, which units provide radar service in class G? Can other ATSUs provide service? which types?
Usually military e.g. Farnborough, Brize Nortan etc
Radar equipped can do traffic service eg Oxford
non radar tower can provide basic service eg wycombe
WHen can you cross an airway without clearance?
Class E airways when vfr. Most you can’t as class A
What is a conspicuity code?
squawk 7000 - mode C - displays position and altitude
What is an SSR monitoring code?
squawk to indicate listening to a frequency.
see AIP ENR
What are the SSR codes for emergencies and radio failure?
7500 unlawful interference
7600 radio failure
7700 emergency
What class of airspace is a Royal Flight CAS-T?
Class D
Can CAS-T be established in class G airpace?
yes - royal flights class D
How would you find out about CAS-T airspace?
NOTAM
If a CTR was established as CAS-T would you be able to request SVFR clearance through it?
yES class D rules apply
What is the ‘Safetycom’ frequency?
121.5
Give the reference for ‘safetycom’ procedures.
Mayday mayday mayday
Station
Callsign
Type
Nature of emergency
Intentions
Position
Number of pople on board
What is the difference between R/T instructions ‘contact’ and ‘freecall’?
contact - yourdetails have been passed to the next unit. Call them and just say callsign to continue service with next unit
freecall - must go through whole call up procedure with next unit
