ATSOCAS - Phoenix Flying School

Report
ATSOCAS
ATSOCAS
‘Air Traffic Services
Outside Controlled
Airspace’
ATSOCAS
effective from
12 March 2009
Where will the ATSOCAS
rules apply?
Classes F & G airspace, which
is everywhere outside
controlled airspace, and in
active TRAs.
…This is an… ‘unknown traffic
environment’
4 levels of Service
•
•
•
•
Basic
Traffic
Deconfliction
Procedural
Basic Service
Pilot: Maximum autonomy…. Without
controller agreement – can alter
heading, route or level at will.
Controller/FISO: NO involvement in
collision avoidance.
Transponder code…can be allocated!
IMC: NOT appropriate.
Traffic Service
Pilot: Responsible for collision avoidance.
Controller: Provide information about
surveillance derived traffic that may
conflict. NO avoidance advice. Aircraft has
to be identified.
IMC: NOT appropriate.
Deconfliction Service
Pilot: Must be able to accept headings or
levels that will take them into IMC.
Controller: Provide information about
surveillance derived traffic that may conflict.
Avoidance advice given. Aircraft has to be
identified.
IMC: YES… not appropriate for VFR
Procedural Service
Pilot: Responsible for collision avoidance.
Must be able to accept routing or level
instructions for flight in IMC.
Controller: Non-surveillance service.
Issues – headings, level and time
instructions.
IMC: YES…
Procedural Service
• Provided at airfields without a surveillance
system to aircraft on IFR approaches or
departures.
• Traffic information provided on known
traffic.
• Transponder code can be issued ..but..
Does NOT imply a surveillance system is
provided.
• Deconfliction instructions will be issued.
Summary
• VMC – Basic & Traffic service.
• IMC - Deconfliction & Procedural
service.
• ATS surveillance – Traffic &
Deconfliction service.
• Terrain clearance – None
• FISO – Basic service only
Typical RT exchange….’Traffic service’
• “Doncaster Radar G PHLY request Traffic
service”
• “G PHLY Doncaster Radar pass your message”
• “G PHLY Cessna 150 Netherthorpe to
Sherburn 2 miles west of Netherthorpe at
2000 ft. Request Traffic service”
• “G LY Traffic service, squawk 6160 QNH 1012,
remain clear of controlled airspace, report
approaching the M62”
• “ Squawk 6160 QNH 1012,remain clear of
controlled airspace, report M62, G LY”
Typical RT exchange..’Deconfliction service’
• “Waddington Radar G PNIX for Deconfliction service”
• “G PNIX Waddington Radar pass your message”
• “G PNIX Cessna 150 Netherthorpe to Fenland 2 miles
north of Mansfield at 2000 ft. Request Deconfliction
service”
• “G IX Deconfliction service, remain clear of controlled
airspace, climb and report level 3000ft QNH 1001 and
squawk 3606”
• “ Remain clear of controlled airspace, climb and report
level 3000ft QNH 1001,squawking 3606, G IX”
“Any Questions?”
Presentation available at:
www.phoenix-flying.co.uk

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