ATPL Air Law (010) study materials
ATPL Air Law (010) study resources

ATPL Air Law (010) key terms

ATPL Air Law (010) · Get comfortable with the vocabulary.

Chicago Convention

The 1944 Convention on International Civil Aviation that established ICAO and the core principles of international air law, including sovereignty, nationality, and safety standards.

Related: ICAO Annexes, Article 5 Transit, Article 6 Non-scheduled
ICAO Annexes

The 19 technical standards and recommended practices (SARPs) attached to the Chicago Convention, covering licensing, rules of the air, airworthiness, and other operational fields.

Related: Chicago Convention, Standards and Recommended Practices (SARPs), PANS
Standards and Recommended Practices (SARPs)

ICAO provisions: Standards are binding requirements for member states; Recommended Practices are desirable but not mandatory. Both aim to harmonize international civil aviation.

Related: ICAO Annexes, PANS, Article 38 Differences
Article 5 Transit

Chicago Convention article allowing non-scheduled flights of other contracting states to transit or land for non-traffic purposes without prior permission, subject to state regulations.

Related: Article 6 Non-scheduled, Chicago Convention, Freedom of the Air
Article 6 Non-scheduled

Chicago Convention article stating that no scheduled international air service may operate over or into a state's territory without special permission or authorization.

Related: Article 5 Transit, Freedom of the Air, Chicago Convention
Freedom of the Air

A set of commercial aviation rights (first through ninth) granting airlines privileges such as overflight, technical stops, and carrying traffic between states, typically negotiated in bilateral agreements.

Related: Article 6 Non-scheduled, Bilateral Air Services Agreement, Cabotage
Cabotage

The carriage of passengers or cargo between two points within the same state by an aircraft of another state. Generally restricted unless specifically permitted.

Related: Freedom of the Air, Bilateral Air Services Agreement, Chicago Convention
ICAO

The International Civil Aviation Organization, a UN specialized agency that develops international standards and recommended practices for civil aviation safety, security, and efficiency.

Related: Chicago Convention, ICAO Annexes, PANS
PANS

Procedures for Air Navigation Services: ICAO documents containing operational procedures approved by the Council, often more detailed than SARPs and used by states.

Related: ICAO Annexes, Standards and Recommended Practices (SARPs), Doc 4444
Article 38 Differences

Chicago Convention article requiring a state that cannot comply with an international standard to notify ICAO of the differences between its national regulations and the standard.

Related: Standards and Recommended Practices (SARPs), ICAO Annexes, Chicago Convention
Aircraft Nationality

The state whose register an aircraft is entered in; aircraft have the nationality of the state of registry and must display appropriate nationality and registration marks.

Related: Certificate of Registration, Registration Mark, Article 17 Nationality
Certificate of Registration

A document issued by the state of registry that records the aircraft's nationality, registration mark, and owner, and must be carried on board.

Related: Aircraft Nationality, Certificate of Airworthiness, Registration Mark
Certificate of Airworthiness

A document issued by the state of registry certifying that the aircraft is airworthy and complies with the applicable airworthiness requirements.

Related: Certificate of Registration, Airworthiness Directive, Minimum Equipment List
Minimum Equipment List (MEL)

A document approved by the state of registry that specifies which instruments and equipment may be inoperative for dispatch, subject to stated conditions and limitations.

Related: Certificate of Airworthiness, Airworthiness Directive, Dispatch
Airworthiness Directive (AD)

A mandatory notice issued by an airworthiness authority to correct an unsafe condition on an aircraft, engine, or component; compliance is required for continued airworthiness.

Related: Certificate of Airworthiness, Minimum Equipment List, Continuing Airworthiness
Continuing Airworthiness

The set of processes and tasks ensuring an aircraft remains in a condition that meets applicable airworthiness requirements throughout its operational life.

Related: Airworthiness Directive, Certificate of Airworthiness, Maintenance
Registration Mark

The unique alphanumeric identifier assigned to an aircraft by its state of registry, displayed on the aircraft along with the nationality mark.

Related: Aircraft Nationality, Certificate of Registration, Nationality Mark
Nationality Mark

The distinctive letter or symbol assigned by ICAO to a state, used as part of the aircraft registration mark to indicate the aircraft's nationality.

Related: Registration Mark, Aircraft Nationality, ICAO
Licence Validity

The period during which a flight crew licence remains valid, subject to conditions such as medical fitness, recent experience, and recurrent training.

Related: Medical Certificate, Type Rating, Recency
Medical Certificate

A document issued by an approved medical examiner certifying a pilot's fitness to fly, classified by class (1, 2, or 3) with different validity periods and privileges.

Related: Licence Validity, Recency, Crew Licensing
Type Rating

An authorization entered on a pilot licence permitting the holder to act as pilot on a specific aircraft type, usually requiring training and a skills test.

Related: Licence Validity, Recency, Crew Licensing
Recency

The requirement for a pilot to have completed specified take-offs, landings, or instrument approaches within a preceding period to exercise licence privileges.

Related: Licence Validity, Type Rating, Medical Certificate
Crew Licensing

The process by which a state issues licences to flight crew, ensuring they meet the requirements of ICAO Annex 1 and national regulations.

Related: Licence Validity, Type Rating, Medical Certificate
Instrument Flight Rules (IFR)

Rules governing flight under which the pilot operates primarily by reference to instruments and follows ATC clearances and instrument procedures.

Related: Visual Flight Rules (VFR), Air Traffic Control Clearance, Flight Plan
Visual Flight Rules (VFR)

Rules allowing flight with visual reference to the ground, subject to specified visibility and cloud clearance minima and, in controlled airspace, an ATC clearance.

Related: Instrument Flight Rules (IFR), Air Traffic Control Clearance, Flight Plan
Air Traffic Control Clearance

An authorization for an aircraft to proceed under specified traffic conditions, issued by ATC to ensure separation and safe, orderly flow.

Related: Instrument Flight Rules (IFR), Flight Plan, Separation
Separation

The spacing maintained between aircraft (vertical, lateral, or longitudinal) by ATC or the pilot to prevent collisions and reduce risk of collision.

Related: Air Traffic Control Clearance, Airspace Classification, Radar Control
Airspace Classification

The categorization of airspace into classes (A to G) by ICAO, each defining the type of flights allowed, separation provided, and services available.

Related: Separation, Air Traffic Control Clearance, Controlled Airspace
NOTAM

A notice distributed by means of telecommunication containing information concerning the establishment, condition, or change of any aeronautical facility, service, procedure, or hazard.

Related: AIP, Aeronautical Information Circular (AIC), Aeronautical Charts
AIP

Aeronautical Information Publication: a state's official publication containing permanent aeronautical information essential to air navigation, organized in sections.

Related: NOTAM, Aeronautical Information Circular (AIC), Aeronautical Charts
Aeronautical Information Circular (AIC)

A notice containing information that does not qualify for a NOTAM or AIP, such as administrative or explanatory material relating to flight safety.

Related: NOTAM, AIP, Aeronautical Charts
Aeronautical Charts

Maps specifically designed for air navigation, showing terrain, airspace, navigation aids, and other information required for flight planning and execution.

Related: AIP, NOTAM, Aeronautical Information Circular (AIC)
Accident

An occurrence associated with the operation of an aircraft in which a person is fatally or seriously injured, or the aircraft sustains substantial damage, or is missing.

Related: Serious Incident, Incident, Investigation
Serious Incident

An incident involving circumstances indicating a high probability of an accident, such as a near collision, engine failure, or runway incursion.

Related: Accident, Incident, Investigation
Incident

An occurrence, other than an accident, associated with the operation of an aircraft that affects or could affect the safety of operations.

Related: Accident, Serious Incident, Investigation
Investigation

The process conducted by an accident investigation authority to determine the causes of an accident or incident and to make safety recommendations.

Related: Accident, Serious Incident, Incident
Unlawful Interference

Acts such as hijacking, sabotage, or attacks against aviation that endanger the safety of civil aviation, addressed by security measures and international conventions.

Related: Security Programme, Safeguarding, Tokyo Convention
Security Programme

A set of measures and procedures adopted by a state or operator to protect civil aviation against acts of unlawful interference.

Related: Unlawful Interference, Safeguarding, Screening
Safeguarding

Measures taken to protect aircraft, passengers, and facilities from unlawful interference, including access control and screening.

Related: Unlawful Interference, Security Programme, Screening
Facilitation

The set of regulations and procedures aimed at expediting and simplifying the clearance of aircraft, passengers, crew, baggage, and cargo across international borders.

Related: Customs, Immigration, Health Requirements
Customs

The government authority responsible for collecting duties and controlling the import and export of goods, including aircraft stores and cargo.

Related: Facilitation, Immigration, Health Requirements
Immigration

The government authority that controls the entry and exit of persons, including checking passports, visas, and crew documentation.

Related: Facilitation, Customs, Health Requirements
Health Requirements

Regulations concerning public health measures such as vaccination certificates and quarantine, applied to international air travel to prevent disease spread.

Related: Facilitation, Customs, Immigration
EASA

The European Union Aviation Safety Agency, responsible for civil aviation safety regulation and certification in Europe, including rulemaking and oversight.

Related: EU Regulation 2018/1139, Part-FCL, Air Operator Certificate (AOC)
EU Regulation 2018/1139

The basic regulation establishing EASA and common rules for civil aviation safety in the EU, covering airworthiness, licensing, operations, and oversight.

Related: EASA, Part-FCL, Air Operator Certificate (AOC)
Part-FCL

The EU regulation (in Commission Regulation (EU) No 1178/2011) that sets requirements for flight crew licensing, including training, medical, and privileges.

Related: EASA, EU Regulation 2018/1139, Licence Validity
Air Operator Certificate (AOC)

A certificate issued by a state authority to an operator authorizing commercial air transport operations, subject to compliance with applicable regulations.

Related: EASA, EU Regulation 2018/1139, Operations Manual
Tokyo Convention

The 1963 Convention on Offences and Certain Other Acts Committed on Board Aircraft, which gives the aircraft commander authority to restrain persons and establishes jurisdiction.

Related: Unlawful Interference, Hague Convention, Montreal Convention
Hague Convention

The 1970 Convention for the Suppression of Unlawful Seizure of Aircraft, requiring states to criminalize hijacking and prosecute or extradite offenders.

Related: Tokyo Convention, Montreal Convention, Unlawful Interference
Montreal Convention

The 1999 Convention for the Unification of Certain Rules for International Carriage by Air, governing carrier liability for passenger injury, delay, and baggage/cargo loss.

Related: Tokyo Convention, Hague Convention, Liability
Liability

The legal responsibility of a carrier for damage, injury, or delay in international carriage, often subject to limits and conditions set by conventions.

Related: Montreal Convention, Warsaw Convention, Insurance
Insurance

A contract by which an operator transfers risk of loss to an insurer, often required by law to cover passenger, third-party, and hull liabilities.

Related: Liability, Montreal Convention, Air Operator Certificate (AOC)