PCAA Air Law key terms
PCAA Air Law · Get comfortable with the vocabulary.
- Chicago Convention
- Related: ICAO Annex, Article 5 Transit Rights, Standards and Recommended Practices
The 1944 multilateral treaty that established the legal framework for international civil aviation, creating ICAO and setting out principles on sovereignty, nationality of aircraft, and standards for safety and facilitation.
- ICAO Annex
- Related: Standards and Recommended Practices, Chicago Convention, Differences Notification
One of the numbered technical volumes attached to the Chicago Convention covering a specific field such as personnel licensing, rules of the air, airworthiness, security, or dangerous goods, which member states implement through national regulations.
- Standards and Recommended Practices
- Related: ICAO Annex, Differences Notification
ICAO provisions of two strengths: Standards are mandatory specifications whose uniform application is necessary for safety or regularity, while Recommended Practices are desirable but not obligatory; states must notify differences from Standards.
- Article 5 Transit Rights
- Related: Chicago Convention, Freedom of the Air
The Chicago Convention provision allowing non-scheduled flights of other contracting states to enter, cross, or land for non-traffic purposes without prior permission, subject to the right of the overflown state to require landing.
- Freedom of the Air
- Related: Article 5 Transit Rights, Bilateral Air Services Agreement
A set of commercial aviation rights describing what an airline of one state may do in another state's territory, ranging from overflight and technical stops to carrying traffic between or within foreign states.
- Bilateral Air Services Agreement
- Related: Freedom of the Air, Traffic Right
A treaty between two states granting each other's designated airlines the right to operate specified routes and capacities, usually naming the airlines, routes, and traffic rights permitted.
- Traffic Right
- Related: Bilateral Air Services Agreement, Freedom of the Air
The entitlement under an air services agreement to carry passengers, cargo, or mail between specified points, distinguishing commercial operations from mere overflight or technical landing.
- Differences Notification
- Related: Standards and Recommended Practices, ICAO Annex
The formal process by which a contracting state informs ICAO of any national regulation that diverges from an adopted Standard, so that the divergence is published and visible to other states.
- Pakistan Civil Aviation Act
- Related: Pakistan Civil Aviation Authority, Civil Aviation Rules
The national legislation establishing the legal basis for civil aviation regulation in Pakistan, empowering the government and the Authority to make rules on aircraft, personnel, aerodromes, safety, and security.
- Pakistan Civil Aviation Authority
- Related: Pakistan Civil Aviation Act, Civil Aviation Rules, Air Operator Certificate
The statutory body responsible for regulating civil aviation in Pakistan, including safety oversight, licensing of personnel and aerodromes, airworthiness, security, and economic regulation of air services.
- Civil Aviation Rules
- Related: Pakistan Civil Aviation Authority, Pakistan Civil Aviation Act
Subsidiary regulations made under the Civil Aviation Act that set detailed requirements for operations, licensing, airworthiness, aerodromes, and security, mirroring ICAO Annex content in national law.
- Safety Oversight
- Related: Pakistan Civil Aviation Authority, Air Operator Certificate
A state's regulatory function of ensuring that aviation participants comply with applicable requirements, delivered through certification, inspection, audit, and enforcement rather than through direct operational control.
- Commercial Pilot Licence
- Related: Type Rating, Instrument Rating, Medical Certificate
A flight crew licence permitting the holder to act as pilot in command of aircraft in commercial operations and to carry passengers for remuneration, subject to the ratings and experience requirements held.
- Airline Transport Pilot Licence
- Related: Commercial Pilot Licence, Type Rating
The highest grade of flight crew licence, required for pilots in command of multi-crew commercial air transport aircraft, carrying the most demanding experience, knowledge, and skill prerequisites.
- Type Rating
- Related: Commercial Pilot Licence, Recency Requirement
An authorisation entered on a licence permitting the holder to fly a specific aircraft type, granted after type-specific training, examination, and where required simulator or aircraft checking.
- Instrument Rating
- Related: Commercial Pilot Licence, Instrument Flight Rules
A licence endorsement allowing the holder to fly under instrument flight rules and in instrument meteorological conditions, requiring demonstrated competence in instrument flight and approach procedures.
- Medical Certificate
- Related: Commercial Pilot Licence, Recency Requirement
A document issued by an authorised medical examiner confirming that a licence holder meets the required fitness standard, graded by class according to the privileges of the licence held.
- Recency Requirement
- Related: Type Rating, Medical Certificate
The rule that a licence holder may exercise privileges only if recent experience, such as take-offs, landings, or instrument approaches within a defined period, has been completed and recorded.
- Certificate of Registration
- Related: Nationality Mark, Certificate of Airworthiness, Register of Aircraft
The document evidencing that an aircraft is entered on a national register and therefore possesses the nationality of the registering state, which must be carried or available as specified.
- Nationality Mark
- Related: Certificate of Registration, Registration Mark
The distinctive letter or symbol group identifying the state of registry, which together with the registration mark forms the aircraft's unique identification displayed on the airframe.
- Registration Mark
- Related: Nationality Mark, Register of Aircraft
The unique alphanumeric identifier assigned to an individual aircraft within a state's register, displayed together with the nationality mark on the aircraft.
- Register of Aircraft
- Related: Certificate of Registration, Registration Mark
The official national record listing aircraft entitled to bear the state's nationality, containing particulars of the aircraft, owner, and any charges or changes affecting title.
- Certificate of Airworthiness
- Related: Type Certificate, Airworthiness Directive, Certificate of Registration
A document certifying that an individual aircraft conforms to a type design approved by the state of registry and is considered safe to operate within specified limitations and conditions.
- Type Certificate
- Related: Certificate of Airworthiness, Airworthiness Directive
An approval issued for an aircraft, engine, or propeller design demonstrating that the design meets the applicable airworthiness requirements, forming the basis for individual certificates of airworthiness.
- Airworthiness Directive
- Related: Type Certificate, Certificate of Airworthiness, Continuing Airworthiness
A mandatory instruction issued by a state of design or registry requiring inspection, modification, or limitation on aircraft to correct an unsafe condition, with defined compliance times.
- Continuing Airworthiness
- Related: Airworthiness Directive, Maintenance Organisation Approval
The set of maintenance, inspection, and record-keeping processes that keep an aircraft in a condition conforming to its approved design throughout its operational life.
- Maintenance Organisation Approval
- Related: Continuing Airworthiness, Certificate of Airworthiness
A certificate granted to an organisation demonstrating that it has the facilities, personnel, procedures, and quality system necessary to perform specified maintenance on aircraft or components.
- Instrument Flight Rules
- Related: Visual Flight Rules, Air Traffic Control Clearance, Instrument Rating
The body of rules governing flight conducted by reference to instruments and under air traffic control clearance, specifying separation, communication, and equipment requirements.
- Visual Flight Rules
- Related: Instrument Flight Rules, Controlled Airspace
The rules permitting flight by visual reference to the ground, subject to specified visibility and distance-from-cloud minima, and generally requiring see-and-avoid responsibility by the pilot.
- Air Traffic Control Clearance
- Related: Instrument Flight Rules, Controlled Airspace
An authorisation for an aircraft to proceed under conditions specified by an air traffic control unit, which the pilot must obtain and comply with unless an emergency requires deviation.
- Controlled Airspace
- Related: Air Traffic Control Clearance, Visual Flight Rules
Airspace of defined dimensions within which air traffic control service is provided to controlled flights, classified into categories that determine the clearances and services required.
- Aerodrome Licence
- Related: Rescue and Fire Fighting Service, Obstacle Limitation Surface, Movement Area
A certificate issued by the regulatory authority confirming that an aerodrome meets the prescribed safety standards for its intended operations, including runways, lighting, rescue and fire fighting, and obstacle limitation.
- Rescue and Fire Fighting Service
- Related: Aerodrome Licence, Movement Area
The aerodrome emergency capability, graded by category according to aircraft size and movement levels, providing extinguishing agents, equipment, and trained personnel for aircraft accidents on or near the aerodrome.
- Obstacle Limitation Surface
- Related: Aerodrome Licence, Movement Area
A defined imaginary surface around an aerodrome that objects must not penetrate, established to protect aircraft during approach, landing, and take-off.
- Movement Area
- Related: Aerodrome Licence, Rescue and Fire Fighting Service
The part of an aerodrome used for take-off, landing, and taxiing of aircraft, comprising the manoeuvring area plus aprons, and subject to access control.
- Air Operator Certificate
- Related: Operations Manual, Safety Management System, Pakistan Civil Aviation Authority
The authorisation granted to an operator after demonstrating adequate organisation, procedures, aircraft, and personnel to conduct commercial air transport safely, defining the scope of permitted operations.
- Operations Manual
- Related: Air Operator Certificate, Minimum Equipment List
The document containing the instructions, procedures, and limitations governing an operator's flights, which crew members must comply with and which the regulator approves as part of certification.
- Minimum Equipment List
- Related: Operations Manual, Air Operator Certificate
An approved document specifying which instruments and equipment may be inoperative while the aircraft remains airworthy for flight, subject to stated conditions, limitations, and rectification intervals.
- Safety Management System
- Related: Air Operator Certificate, Safety Occurrence Report
A structured organisational framework for managing safety risk, including hazard identification, risk assessment, occurrence reporting, and continuous improvement, required of certified aviation service providers.
- Unlawful Interference
- Related: Airside Security Restricted Area, Security Screening
Acts such as hijacking, sabotage, hostage-taking, or attacks on aviation facilities that endanger the safety of civil aviation, addressed by security measures and international conventions.
- Security Screening
- Related: Airside Security Restricted Area, Unlawful Interference
The process of examining passengers, baggage, cargo, or persons to detect prohibited items before they enter a security restricted area or board an aircraft.
- Airside Security Restricted Area
- Related: Security Screening, Unlawful Interference
A defined part of an aerodrome with controlled access where security measures apply, separating screened passengers and baggage from unscreened persons and goods.
- Accident
- Related: Serious Incident, Investigation Authority
An occurrence associated with aircraft operation in which a person is fatally or seriously injured, the aircraft sustains substantial damage, or the aircraft is missing or inaccessible, with defined exclusions.
- Serious Incident
- Related: Accident, Safety Occurrence Report
An occurrence, short of an accident, whose circumstances indicate a high probability of an accident, such as near collisions, runway incursions, or serious technical failures in flight.
- Investigation Authority
- Related: Accident, Safety Recommendation
The independent national body responsible for investigating accidents and serious incidents, determining causes and contributing factors, and issuing safety recommendations without apportioning blame.
- Safety Recommendation
- Related: Investigation Authority, Safety Occurrence Report
A proposal issued by an investigating authority to prevent recurrence of an occurrence, addressed to a regulator or operator, which is expected to be answered with action taken.
- Dangerous Goods
- Related: Shipper's Declaration, Dangerous Goods Training
Articles or substances capable of posing a risk to health, safety, property, or the environment when transported by air, classified into hazard classes and permitted only under specified packaging and documentation rules.
- Shipper's Declaration
- Related: Dangerous Goods, Dangerous Goods Training
The document completed by the consignor certifying that a dangerous goods consignment has been classified, packed, marked, and labelled in accordance with the applicable technical instructions.
- Dangerous Goods Training
- Related: Dangerous Goods, Shipper's Declaration
Mandatory instruction for personnel involved in preparing, handling, or accepting dangerous goods, covering classification, limitations, packaging, marking, documentation, and emergency response.
- Facilitation
- Related: Airport Facilitation Committee
The set of rules and practices aimed at expediting the clearance of aircraft, passengers, baggage, cargo, and mail while maintaining compliance with border, health, and customs requirements.
- Airport Facilitation Committee
- Related: Facilitation
A local body at an aerodrome bringing together operators, authorities, and agencies to coordinate and improve the efficient movement of traffic and persons through the airport.
- Carbon Offsetting and Reduction Scheme
- Related: Aircraft Noise Certification, Environmental Impact Assessment
An international scheme requiring operators of larger international flights to offset emissions above a baseline through the purchase of eligible units, complementing technological and operational measures.
- Aircraft Noise Certification
- Related: Carbon Offsetting and Reduction Scheme, Environmental Impact Assessment
The approval process confirming that an aircraft type meets the applicable noise standards for its category, based on measured noise levels at specified approach, sideline, and flyover points.
- Environmental Impact Assessment
- Related: Aircraft Noise Certification, Aerodrome Licence
A structured evaluation of the likely environmental effects of a proposed aviation development or change, such as a new runway, used to inform approval conditions and mitigation measures.