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UNNMANED AIRCRAFT SYSTEMS –NATIONAL CHALLENGES
UAS/RPAS Legal WorkshopCologne – 23 May 2013
Gerry Corbett – Flight Operations PolicyUK CAA Safety Regulation Group
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Scope
- UK policy towards UAS operations
- Current activities/where we currently are
- Future requirements/steps
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The Current Situation
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The scale/range of the subject
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Fundamental Principles
� They are Aircraft – not ‘drones’ ‘toys’ ‘UAVs’ etc
� They are Piloted – albeit remotely
� equivalence – to manned aviation (level of capability)
� No ‘automatic rights’ - to airspace or special privileges
� Transparency – to ATC
�Operate within the bounds of existing legislation� Internationally Shared View (UK, EASA, FAA, ICAO, other NAAs)
The existing aviation legislation is designed to enable the safe and efficient operation of manned aircraft in all classes of airspace.
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General Considerations
� ‘Pilot in Command’ Responsibilities� Piloting ‘function’ same for manned and unmanned –
both ‘move’ aircraft through the air� Same Airspace, Same Weather, Same Rules
�Pilot ‘separated’ from aircraft� Avoidance of collisions/Lookout principles� Airworthiness� Integrity of ‘link’ to aircraft� Complex Flight Control Systems
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UAS Ops Within UK Airspace
�Visual Line of Sight (VLOS)� ‘See and Avoid’ responsibilities through direct vis ual
observation (visually managed)
� Limited range- Size/Colour, weather conditions
� 400ft vertical, 500m horizontal – basic limits
� Extended VLOS -ops within/beyond 400ft/500m, RP’s ‘direct visual contact’ requirement addressed differently – collision avoidance still achieved through ‘visual observatio n’
�Beyond Visual Line of Sight (BVLOS)� Detect and Avoid System
� Segregated Airspace (if no D&A system fitted)
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Small Unmanned Aircraft (SUA)� “Any unmanned aircraft, other than a balloon or a k ite,
having a mass of not more than 20kg without its fue l but including any articles or equipment installed or at tached at the commencement of its flight”
� Note - this does not differentiate between model/recreatio nal or other uses
� SUA are exempted from the majority of the UK Air Na vigation Order (UK Air Law), but 3 specific articles apply: Arts 138, 166 & 167
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Mystery as £20k 'spy' helicopter goes under cover in city
“DESPERATE: (name removed) searches the skies for his missing Draganflyer X6 helicopter”
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Regulation/Operation of Small UAS (Urban environments etc)
Balance of Risk
Judgement
Risk of injury to
members of the
public
Risk of consequences
to victims of
emergency or crime
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ANO 2009 - Key Articles
�138 – Endangerment� ‘A person shall not recklessly or negligently permit an aircraft to
endanger persons or property’
�166 – Small Unmanned Aircraft (20kg or less)
� Articles or animals must not be dropped ……so as to endanger persons or property
� The ‘person in charge’ may only fly the aircraft if reasonably satisfied that the flight can safely be made
� Person in charge must maintain ‘Direct Unaided visual contact’ – for the purpose of avoiding collisions (ie. VLOS flights only)
� >7kg ATC permission for A,C,D,E airspace, ATZ’s, >400ft.� Flights for the purpose of aerial work require specific permission to be
granted by the CAA.
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ANO 2009 - Key Articles
�167 – Small Unmanned Surveillance Aircraft� ‘SUSA’ is a small unmanned aircraft equipped to
undertake any form of surveillance or data acquisition.
� Unless in accordance with a permission from the CAA, a SUSA must not be flown:� Over or within 150m of congested area or assembly of >1000 people� Within 50m of vessels, vehicles or structures (not under the control
of the person in charge of the aircraft)� Within 50m of any person (exceptions exist for take-off/landing (30m)
and persons under the control of the person in charge of the aircraft)
� Art 167 ‘covers off’ flights which are not aerial work
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Small UAS Operations
� Regs proportionate to the potential risk, ‘light touch’ where suitable
� Specific aim “to protect those not involved in the activity” � Permissions – required where greater level of detail is required
� Aerial work, flight close to people/property
� For safety purposes only, not ‘privacy’ (Privacy aspects are covered by the data protection regulations)
� Small UAS Currently the biggest/most notable development area (Police, Fire, ‘security’, Aerial PhotSurveys)� Over 180 Small UAS operators currently flying in UK
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ANO 2009 – Legal Aspects
� A congested area in relation to a city, town or settlement, means any area which is substantially used for residential, industrial, commercial or recreational purposes
� Offences under Arts 166 and 167 are both Summary Only Offences and, therefore, have 6 months statutory time limit.
� Art 138 (Endangerment) Difficult to prove but carries maximum of 5 years
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SUAS Legal Challenges� Procedures and Powers� There is no Power of Arrest under the Air Navigation Order� Consider other offences that may have been committed (i.e. Public Order,
Harassment, Offences Against the Person, Offences against Property etc..)� Seizure of equipment an advantage, if arrested. Photograph of equipment if no
arrest� Arrest under s.24 PACE if appropriate
Biggest problem is getting EVIDENCE – A particular p roblem with Small UAS
� Essential evidence� Who controller / pilot was� Details of the equipment used (seized or photograph). In SUSA cases there will
be images / video footage of the flight� Distances from vessels, vehicles, structures or persons (as above) or numbers at
an assembly� Witnesses
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Larger UAS Operations
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Airspace Challenges
�Airspace types/classifications� Different Access permissions� Flight Rules – VFR/IFR� Conspicuity
�ATC Cannot monitor all UA� radar coverage � workload� uncontrolled airspace aspects� cannot track ‘small’ a/c
�Link Loss and Emergencies
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UK AIRSPACE – A Busy Environment
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Visual Lookout……… or lack of it !
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Detect and Avoid
� Generic expression used to reflect a technical capability commensurate with a pilot’s ability to ‘see and avoid’ other air traffic and hazards
� Not ‘just’ Collision Avoidance� Needs to work in ‘Real Time’
� The ‘key’ to full integration
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‘Detect and Avoid’ must enable the pilot of an Unmanned Aircraft to:
� Separation/Traffic avoidance� Perform the same ‘give way’/’maintain sufficient di stance
so as not to cause a hazard’ roles undertaken by t he pilot of a manned a/c iaw the Rules of the Air
� Collision Avoidance� Undertake collision avoidance manoeuvres (ie. ‘last ditch’
avoidance) if the normal separation provision fails � ‘Automatic’ system also required (Eg. If control li nk is
lost)
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Detect What?
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Rules Of The Air
Giving way
Converging flight paths
Detect what?
(implies recognition of aircraft category)
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In Flight Conditions – VMC/IMC?
Visibility?
Distance From Cloud?
Sense what?
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Integration with the Aerodrome EnvironmentHow will a UA/RPA interact with these?
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Segregation ?
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Segregation ?
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UAS Segregation� UK uses Danger Areas as prime tool for UA
segregation purposes� UA flight not considered inherently dangerous� Activity demands an enhanced level of protection bo th to,
and from, other airspace users� Danger Area does not ‘prohibit’ flight however (but
suitable out to FIR boundary – ‘P’ and ‘R’ only enfo rceable to 12nm limit)
� Short term needs may be catered for through temporary airspace restrictions - TDA
�But….Segregation denies airspace to other users
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The challenges of UAS certification
• Certification will be new & novel - system elements?
• UA must be safe to fly over the UK landmass
• UAS specific Certification Specifications still bei ng developed - to some extent, we are going into the unknown
• Certification also includes ops, airspace and other ‘traditional’ pilot actions which are not normally considered for manned aviation – wider and more involved process
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The CAA Certification approach
• CAA is taking the ‘Synthetic Pilot’ approach to UAS certification (ie. the special bit is the bit that ‘used to be’ j ust the pilot)
• Airframe systems are considered separately from the Synthetic Pilot, (the Complex Flight Control System )
• ‘known’ airframe elements = no change
• What are the differences/additions that enable it t o fly Unmanned/Remotely Piloted ?
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Radio Spectrum
To ensure the safety of ‘Remote’ flight, reliable communications are required for:� flight direction commands, response feedback
and positional awareness for the Remote Pilot.� communication between the Remote Pilot and
ATC for ATM purposes, (where applicable).
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Radio Spectrum
There is only a small amount of protected radio spe ctrum allocated for civil UAS operations.
UAS ‘C3’ is potentially ‘spectrum hungry’
Frequency spectrum for all applications is allocate d by the “World Radio Conference” – Next Conference 2015
• How much is required for each aircraft?
• How do you ‘certify’ a signal in space?
• How do you ensure the signal cannot be interrupted? (Airworthiness and Security aspects)
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Where are we trying to get to?
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Next Steps Toward Integration?
� Step-by-Step expansion of operations:
� Visual Line of Sight – below 400 ft / 500m range� Extended Visual Line of Sight� In segregated airspace over sterile surface� In segregated airspace – surface may be populated� In segregated - ‘managed’ interaction with manned
aircraft� In airspace with very low traffic densities/populat ions
(remote, over water)� Airspace and overflight as for manned aircraft
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To Sum Up� As for manned aircraft, unmanned aircraft will only be permitted to
operate in UK airspace if it is considered that it is safe for them to do so
� In the UK today we have a growing and diverse civil UA industry with many SMEs involved using small rotary and fixe d wing aircraft under VLOS. UK’s SUA regulations are propo rtionate, scaleable and have allowed the industry to develop.
� Larger UAS activity shows little development at pre sent (Regulatory or Technical?)
� However – Any regulations must be able to be enforce d� UK airspace is a challenging environment, VLOS belo w 400ft
should not encounter many other aircraft, but D&A a must for full airspace integration, Class G a challenge. Step by step approach to the future
� We are developing appropriate regulation as a part of an international effort.
� ‘Safe to be Flown’- Airworthiness/Cert
� ‘Flown Safely’ – Detect and Avoid, Remote Pilot Quals
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Wales UAS Environment
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Wilts/Salisbury – EGD120, 122 A/B/C