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8/3/2019 CarlisleATSOCASWebbrief
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ATSOCAS ATSOCAS
AIR TRAFFIC SERVICES OUTSIDE AIR TRAFFIC SERVICES OUTSIDECONTROLLED AIRSPACECONTROLLED AIRSPACE
Commences 12Commences 12thth March 2009March 2009
Presentation derived from CAP 774, delivered to Cumbria basedPresentation derived from CAP 774, delivered to Cumbria based
pilots on 10pilots on 10thth
February 2009February 2009© K Packer © K Packer
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PRESENTED BYPRESENTED BY
K PACKER,
MANAGER AIR
TRAFFIC SERVICES
STOBART AIR
CARLISLE AIRPORT
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What is changing?What is changing?
Flight Information Service
becomes Basic Service
Radar Information Servicebecomes Traffic Service
Radar Advisory Service
becomes Deconfliction Service
Approach Control Service
becomes Procedural Service
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What is not changing?What is not changing?
Alerting Service
Service within the ATZ
Friendly service from Carlisle Tower
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Why change?Why change?
Prior to the ATSOCAS Review being initiated, AAIB andUKAB reports increasingly indicated either errors or alack of understanding by both pilots and controllers.
Feedback from CAA Safety Evenings highlightedfrequent variances in service standards and provisions.
There were differences between Military and Civil ATCprovision of Radar Information Service (RIS) and Radar
Advisory Service (RAS).
For the first time military controllers will be working froma Civil Aviation Publication.
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Why change?Why change?
Some aspects of civil co-ordination phraseologyhas been harmonised with military phrases.
Military controllers will soon be working from a joint civil /military phrase book.
The contents of the packages had to bechanged,
You can not keep the same name if the ruleshave changed.
ICAO use the name FIS for the whole range of services, so the UK could not use it for only oneaspect!
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Some of the key changesSome of the key changes
More tightly defined conditions for passing trafficinformation under Basic Service;
Change from 'separation' to 'deconfliction' - more than just a name change, a change in culture and attitude -'best endeavours' rather than 'must always achieve aseparation';
Procedural Service brought into line with rest of ATSOCAS suite of services regarding deconfliction of aircraft, flight conditions, etc.;
- Detailed information and guidance on duty of care;
Defined RTF for provision of ATSOCAS.
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Basic ServiceBasic Service
Flight Rules and Meteorological
Conditions
IFR or VFR any meteorological conditions.
Identification Not required
Traffic Information None ± outside an Aerodrome Traffic Zone (ATZ),
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Basic ServiceBasic Service
Deconfliction ± Pilots responsibility
Terrain - Pilots responsibility
Headings none, unless the pilothas entered into an
agreement
Levels none, unless the pilothas entered into an
agreement
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How will this be done at CarlisleHow will this be done at Carlisle(1)(1)
After departure ATC will request your operation area andlevel.
After departure, if relevant general information will be
given i.e. PA38 near Gt Orton, last reported at 1500 ft.
If a controller considers that aircraft will be in closeproximity, information may be issued to the pilot. Theother aircraft requested to update their level and position
information. The pilots are wholly responsible for collision avoidance.
A request may still be made to report turning over alocation to aid spatial awareness of other pilots.
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How will this be done at CarlisleHow will this be done at Carlisle(2)(2)
We will expect you to update ATC with your position andlevel if you hear someone is likely to get close to you.
We also provide an Alerting service, no change there. If
we don¶t get a report that we are expecting, we will takeaction. We obviously respond to your Pan or Mayday.
With regard to flight within the ATZ, specific and, whereappropriate, updated traffic information will be provided
to aircraft operating in an ATZ.
However students will not be spoon fed information on joining or leaving traffic as this will prevent them fromdeveloping a spatial awareness technique
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Procedural ServiceProcedural Service
Flight Rules/Meteorological Conditions
IFR or VFR, VMC or IMC
Identification - No Aircraft do not need to be identified in
order for a Procedural Service to be
provided.
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Procedural ServiceProcedural Service
Traffic Information
If it is considered that a confliction may
exist, on aircraft being provided with aBasic Service .
The pilot is wholly responsible for collision
avoidance.
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Procedural ServiceProcedural Service
Deconfliction
A controller shall provide deconflictioninstructions by allocating
Levels, Radials,
Tracks,
Time restrictions,
Deconfliction from other Procedural aircraft Deconfliction advice cannot be provided against
unknown aircraft
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Procedural ServiceProcedural Service
Terrain
Terrain clearance would be achieved:
when following notified instrument approachprocedures.
when climbing to the ATC unit¶s terrain safe level
However, if a pilot wishes to operate below ATC unitterrain safe levels, controllers shall advise the pilot of theterrain safe level and remind him of his terrain
responsibilities.
Pilot remains wholly responsible for terrain clearance atall times.
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Procedural ServiceProcedural Service
Lateral, Longitudinal and Time Restrictions
Unless safety is likely to be compromised, a pilot
shall not change radial, track, or time
Levels
Controllers will normally provide level allocations
for positioning, sequencing, navigational
assistance, or to achieve deconfliction minima.
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Procedural ServiceProcedural Service
What will this mean at Carlisle
Service principally aimed at :
IFR departures,
NDB approaches,
Flights in IMC
Remember ± NDB approach ± there may beunknown traffic
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PhraseologyPhraseology
Generic Traffic Information
When providing a Basic Service, thecontroller may provide traffic information in
general terms to assist with the pilot¶s
situational awareness
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Basic PhraseologyBasic Phraseology
GRNCH, gliding activity over Skelling Farm¶.
GBJNN, multiple aircraft known to be operating 2 miles North of Anthorn¶.
GOECM, PA28 estimating DCS at time 25, altitude 2000 feet¶.
GCDRP, Hawk reported routing from Longtown to
the south below altitude 500 feet¶.
GJLIN, helicopter conducting power line inspection between Carlisleand Wigtown below altitude 500 feet¶.
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PhraseologyPhraseology -- Traffic ServiceTraffic Service ± ± DescentDescent
Below ATC Unit Terrain Safe LevelsBelow ATC Unit Terrain Safe Levels
Pilot: µ(Aircraft identity), request descent to
altitude 1000 feet¶.
ATC: µ(Aircraft identity), taking your ownterrain clearance, descent approved¶.
Pilot: µMy own terrain clearance, descent
approved, (aircraft identity)¶.
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Traffic ServiceTraffic Service
A Traffic Service shall only be provided by
a controller with access to an
ATS surveillance system i.e. Radar
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Traffic ServiceTraffic Service
Flight Rules and Meteorological Conditions
IFR or VFR and in VMC or IMC
P ilots should be aware that a Traffic Service
might not be appropriate for flight in
IMC when other services are available.
Identification
The controller shall identify the aircraft, informthe pilot that he is identified, and maintain
identity.
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Traffic ServiceTraffic Service
Traffic Information
The controller shall pass traffic informationon relevant traffic, and shall update the
traffic information if it continues toconstitute a definite hazard,
Deconfliction
Pilot is expected to discharge his collisionavoidance responsibility withoutassistance from the controller.
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Traffic ServiceTraffic Service
Terrain
Traffic Service may be provided below ATC unit
terrain safe levels; however, pilots remain
responsible for terrain clearance at all times.
Headings
A pilot may operate under his own navigation or
a controller may provide headings for the purpose of positioning, sequencing or as
navigational assistance.
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Traffic ServiceTraffic Service
Levels
Pilots may select their own operating
levels or may be provided with level allocations
by the controller for the positioning and/or
sequencing of traffic or for navigational assistance.
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DECONFLICTIONDECONFLICTION
Only be provided by a controller with access toan ATS surveillance system.
IFR or VFR and in VMC or IMC
A pilot who is not suitably qualified to fly in IMCshall not request a Deconfliction Service unlesscompliance permits the flight to be continued in
VMC. Identification
The controller shall identify the aircraft, informthe pilot that he is identified
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DECONFLICTIONDECONFLICTION
Traffic Information
The controller may, subject to workload, passtraffic information on deconflicted
traffic in order to improve the pilot¶s situationalawareness.
Deconfliction
A controller shall provide traffic information,accompanied with a heading and/or level
aimed at achieving a planned deconflictionminima.
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DECONFLICTIONDECONFLICTION
Terrain
A Deconfliction Service shall only be provided toaircraft operating at or above the ATC unit¶s
terrain safe level,
Unless when climbing to the ATC unit¶s terrainsafe level, or when following notified instrument
approach procedures.
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DECONFLICTIONDECONFLICTION
Headings
A pilot may operate under his own navigation or a controller may provide headings for
the purpose of positioning, sequencing,navigational assistance, or to achieve
deconfliction minima.
Levels
Controllers will normally provide level allocationsfor positioning, sequencing,navigationalassistance, or to achieve deconfliction minima.
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Basic SummaryBasic Summary
Rules & Weather IFR or VFR IMC or VMC
Identification Not required
Traffic Information None ± outside an
Aerodrome Traffic Zone Deconfliction ± Pilots responsibility
Terrain - Pilots responsibility
Headings none, unless the pilot hasentered into an agreement
Levels none, unless the pilot hasentered into an agreement
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Procedural SummaryProcedural Summary
Rules/ Weather IFR or VFR, VMC or IMC
Identification - No
Traffic Information On a Basic Service aircraft. Pilot responsible
for collision avoidance.
Deconfliction A controller shall provide deconfliction fromother procedural aircraft
Deconfliction advice cannot be provided against unknown aircraft.
Terrain Above the ATC unit¶s terrain safe level or
instrument procedure
Track and Time Pilot shall not change radial, track, or time
Levels ATC allocate levels
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Traffic SummaryTraffic Summary
Radar
Rules and Weather IFR or VFR and in VMC or IMC
Identification Aircraft identified
Traffic Information Traffic information on relevant traffic,
Deconfliction Pilot responsible for collision avoidance
Terrain May be provided below ATC unit terrain safe levels;
Pilots remain responsible for terrain clearance at all times.
Headings A pilot may operate under his own navigation heading
Allocated only at or above an ATC unit¶s terrain safe level.
Levels Pilots may select their own operating levels
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Deconfliction SummaryDeconfliction Summary
Provision - Radar
Rules and weather - IFR or VFR and VMC or IMC
Identification - Yes
Traffic Information - On deconflicted traffic for pilot¶s situationalawareness.
Deconfliction ±5NM laterally or
3000 ft vertically againstun-coordinated traffic
3NM laterally or 1000 ft /500 ft verticallyagainst known traffic
Terrain - Only operating at or above the ATC unit¶sterrain safe level,
Headings - Own navigation or ATC provide for positioning,
sequencing, navigational assistance, or toachieve deconfliction minima.
Levels - ATC for positioning, sequencing, navigationalassistance, or to achieve deconfliction minima.
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That¶s all folksThat¶s all folks
Further information
www.airspacesafety.com/content/ATSOC AS.asp
Google CAP 774
Carlisle ATC 01228 573 641
kevin.packer@carlisleairport.co.uk
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