In these Regulations, unless the context otherwise requires-
"acrobatic flight"
means manoeuvres intentionally performed by an aircraft involving an abrupt change in its attitude, an abnormal attitude or an abnormal variation in speed;
"advisory airspace"
means an airspace of defined dimensions or designated route, within which air traffic advisory service is available;
"advisory route"
means a designated route along which air traffic advisory service is available;
"aerodrome"
means a defined area on land or water including any buildings, installations and equipment intended to be used either wholly or in part for the arrival, departure and surface movement of aircraft;
"aerodrome control tower"
means a unit established to provi air traffic control service to aerodrome traffic;
"aerodrome traffic"
means all traffic on the manoeuvring ar of an aerodrome and all aircraft flying in the vicinity of - aerodrome;
"aerodrome traffic zone"
means an airspace of defins dimensions established around an aerodrome for tl protection of aerodrome traffic;
"Aeronautical Information Publication"
means a publicatic issued by or with the authority of a State and containi1 aeronautical information of a lasting character essential air navigation;
"aeronautical station"
means a land station in the aeronautic mobile service which in certain instances, may be locate for example, on board a ship or on a platform at sea;
"aeroplane"
means a power-driven heavier-than-air aircra deriving its lift in flight chiefly from aerodynamic reactio: on surfaces which remain fixed under given conditions. flight;
"airborne collision avoidance system"
means an aircraft syste based on secondary surveillance radar transponder signz which operates independently of ground based equipme to provide advice to the pilot on potential conflicti aircraft that are equipped with secondary surveillan radar transponders;
"aircraft"
means a machine that derives support in the atmosphe from the reactions of the air, other than the reactions of air against the earth's surface;
"air traffic"
means all aircraft in flight or operating on the manoeuvring area of an aerodrome;
"air traffic advisory service"
means a service provided within advisory airspace to ensure separation, in so far as practical. between aircraft which are operating on instrument flight rules flight plans;
"air traffic control clearance"
means authorisation for an aircraft to proceed under conditions specified by an air traffic control unit;
"air traffic control service"
means a service provided for the purpose of-
(a)
preventing collision between aircraft;
(b)
preventing collision on manoeuvring area between aircraft and obstructions; and
(c)
expediting and maintaining an orderly flow of air traffic;
"air traffic control unit"
means an area control centre, approach control unit or aerodrome control tower;
"air traffic service"
includes flight information service, alerting service, air traffic advisory service, or air traffic control service;
"air traffic services airspaces"
means airspaces of defined dimensions, alphabetically designated, within which specific types of flights may operate and for which air traffic services and rules of operation are specified;
"air traffic services reporting office"
means a unit established for the purpose of receiving reports concerning air traffic services and flight plans submitted before departure;
"air traffic service route"
means a specified route designed for channeling the flow of traffic as necessary for the provision of air traffic services;
"air traffic services unit"
includes air traffic control unit, flight information centre or air traffic services reporting office;
"airway"
means a control area or portion of the area established in the form of a corridor;
"alerting service"
means a service provided to notify appropriate organisations regarding aircraft in need of search and rescue aid and assist such organisations as required;
"alternate aerodrome"
means an aerodrome to which an aircraft may proceed when it becomes either impossible or inadvisable to proceed to or to land at the aerodrome of intended landing; and includes the following-
(a)
take-off alternate: an alternate aerodrome at which an aircraft can land should this become necessary shortly after take-off and it is not possible to use the aerodrome of departure;
(b)
en-route alternate: an aerodrome at which an aircraft would be able to land after experiencing an abnormal or emergency condition while en-route;
(c)
destination alternate: an alternate aerodrome to which an aircraft may proceed should it become either impossible or inadvisable to land at the aerodrome of intended landing;
(d)
ETOPS en-route alternate: a suitable and appropriate alternate aerodrome at which an aeroplane would be able to land after experiencing an engine shutdown or other abnormal or emergency condition while en route in an ETOPS operation;
"altitude"
means the vertical distance of a level, a point or an object considered as a point, measured from mean sea level;
"anti-collision light"
means a flashing red or flashing white light showing in all directions for the purpose of enabling the aircraft to be more readily detected by a pilot of distant aircraft;
"approach control unit"
means a unit established to provide air traffic control service to controlled flights arriving at or departing from, one or more aerodromes;
"appropriate air traffic service authority"
means the relevant authority designated by the State responsible for providing air traffic services in the airspace concerned;
"apron"
means a defined area on a land aerodrome, intended to accommodate aircraft for purposes of loading or unloading passengers, mail or cargo, fuelling, parking or maintenance;
"area control centre"
means a unit established to provide air traffic control service to controlled flights in control areas under its jurisdiction;
"area navigation"
means a method of navigation which permits aircraft operation on any desired flight path within the coverage of ground or space-based navigation aids or within the limits of the capability of self-contained aids, or a combination of these.
"Authority"
means the Uganda Civil Aviation Authority established under section 3 of the Civil Aviation Authority Act;
"automatic dependent surveillance"
means a_ surveillance technique in which aircraft automatically provide, vie a data link, data derived from on-board navigation anc position-fixing systems, including aircraft identification four dimensional position and additional data as appropriate;
"automatic dependent surveillance - broadcast"
refers to a means by which aircraft, aerodrome vehicles and other objects can automatically transmit or receive data such as identification, position and additional data, as appropriate, in a broadcast mode via a data link;
"automatic dependent surveillance - Contract agreement"
means a reporting plan establishing the conditions of automatic dependent surveillance-Contract data reporting;
"automatic dependent surveillance - contract"
refers to a means by which the terms of an automatic dependent surveillance - contract will be exchanged between the ground system and the aircraft, via a data link, specifying under what conditions automatic dependent surveillance contract reports would be initiated, and what data would be contained in the reports;
"ceiling"
means the height above the ground or water of the base of the lowest layer of cloud below 6,000 metres (20 000 feet) covering more than half the sky;
"command and control link"
means the data link between the remotely piloted aircraft and the remote pilot station for the purposes of managing the flight;
"competent authority"
in relation to Uganda, means the Authority and in relation to any other State, the authority responsible under the law of that state for promoting the safety of civil aviation;
"control area"
means a controlled airspace extending upwards from a specified limit above the earth;
"controlled aerodrome"
means an aerodrome at which air traffic control service is provided to aerodrome traffic;
"controlled airspace"
means an airspace of defined dimensions within which air traffic control service is provided in accordance with the airspace classification and includes air traffic services airspace classes A, B, C, D and E;
"controlled flight"
means a flight which is subject to an air traffic control clearance;
"control zone"
means a controlled airspace extending upwards from the surface of the earth to a specified upper limit;
"cruise climb"means an aeroplane cruising technique resulting in a net increase in altitude as the aeroplane mass decrease;
"cruising level"
means a level maintained during a significant portion of a flight;
"currency point"
has the meaning assigned to it in Schedule 1;
"current flight plan"
means a flight plan, including changes, if any, brought about by subsequent clearances;
"danger area"
means an airspace of defined dimensions within which activities dangerous to the flight of aircraft may exist at specified times;
"data link communications"
means a form of communication intended for the exchange of messages via a data link;
"detect and avoid"
means the capability to see, sense or detect conflicting traffic or other hazards and take the appropriate action;
"estimated off-block time"
means the estimated time at which an aircraft will commence movement associated with departure;
"estimated time of arrival"
means-
(a)
for instrument flight rules flights, the time at which it is estimated that the aircraft will arrive over that designated point, defined by reference to navigation aids, from which it is intended that an instrument approach procedure will be commenced, or, if no navigation aid is associated with the aerodrome, the time at which the aircraft will arrive over the aerodrome; and
(b)
for visual flight rules flights, the time at which it is estimated that the aircraft will arrive over the aerodrome;
"expected approach time"
means the time at which air traffic control expects that an arriving aircraft, following a delay, will leave the holding fix to complete its approach for a landing;
"filed flight plan"
means the flight plan as filed with an air traffic service unit by the pilot or a designated representative, without any subsequent changes;
"flight"
means in the case of-
(a)
an aeroplane or glider, from the moment it first moves for the purpose of taking off until the moment when it next comes to rest after landing;
(b)
an airship or free balloon, from the moment when it first becomes detached from the surface until the moment when it next becomes attached to the surface or comes to rest on the surface;
"flight information centre"
means a unit established to provide flight information service and alerting service;
"flight information region"
means an airspace of defined dimensions within which flight g information service and alerting service are provided;
"flight information service"
means a service provided for the purpose of giving advice and information useful for the safe and efficient conduct of flights;
"flight level"
means a surface of constant atmospheric pressure which is related to a specific pressure datum, 1013.2 hectopascals (hPa), and is separated from other such surfaces by specific pressure intervals;
"flight plan"
means specified information provided to air traffic service units, relative to an intended flight or portion of a flight of an aircraft;
"flight visibility"
means the visibility forward from the cockpit of an aircraft in flight;
"glider"
means a non-power-driven heavier-than-air aircraft, deriving its lift in flight chiefly from aerodynamic reactions on surfaces, which remain fixed under given conditions of flight;
"ground visibility"
means the visibility at an aerodrome, as reported by an accredited observer or by automatic systems;
"heading"
means the direction in which the longitudinal axis of an aircraft is pointed, usually expressed in degrees from North (true, magnetic, compass or grid);
"heavier-than-air aircraft"
means an aircraft deriving its lift in flight chiefly from aerodynamic forces;
"height"
means the vertical distance of a level, a point or an object considered as a point, measured from a specified datum;
"helicopter"
means a heavier-than-air aircraft supported in flight chiefly by the reactions of the air on one or more power- driven rotors on substantially vertical axis;
"instrument flight rules flight"
means a flight conducted in accordance with the instrument flight rules;
"instrument approach operations"
means an approach and landing using instruments for navigation guidance based on an instrument approach procedure and there are two methods for executing instrument approach operations-
(a)
a two-dimensional (2D) instrument approach operation, using lateral navigation guidance only; and
(b)
a three-dimensional (3D) instrument approach Operation using lateral and vertical navigation guidance;
"instrument approach procedure"
means a series of pre- determined manoeuvres by reference to flight instruments, with specified protection from obstacles from the initial approach fix, or where applicable, from the beginning of a srtined arrival route to a point from which a landing can be a mpleted and thereafter, if a landing is not completed, to a a at which holding or enroute obstacle clearance
tli 4 apply; and instrument approach procedures are Sified as follows-
(a)
non-precision approach procedure - an instrument approach procedure designed for 2D instrument approach operations Type A;
(b)
approach procedure with vertical guidance- a performance-based navigation instrument approach procedure designed for 3D instrument approach operations Type A;
(c)
precision approach procedure - an_ instrument approach procedure based on navigation systems (ILS, MLS, GLS and SBAS Cat I) designed for 3D instrument approach operations Type A or B;
"instrument meteorological conditions"
means meteorological conditions expressed in terms of visibility, distance from cloud and ceiling, less than the minima specified for visual meteorological conditions;
"landing area"
means that part of a movement area intended for the landing or take-off of aircraft;
"lateral and vertical guidance"
means guidance provided either by-
(a)
aground based radio navigation aid; or
(b)
computer-generated navigation data from ground based, space-based, self-contained navigation aids or a combination of the three;
"level"
means the vertical position of an aircraft in flight and includes height, altitude or flight level;
"manoeuvring area"
means that part of an aerodrome to be used for the take-off, landing and taxiing of aircraft, excluding aprons;
"movement area"
means that part of an aerodrome used for the take-off, landing and taxiing of aircraft, consisting of the manoeuvring area and the aprons;
"night"
means the time between 15 minutes after sunset arm 15 minutes before sunrise, sunrise and sunset beim determined at surface level, and includes any tims between sunset and sunrise when an unlighted aircraft other unlighted prominent object cannot clearly be seen = a distance of 4,572 metres;
"operator"
means a person, organisation or enterprise engage in or offering to engage in an aircraft operation;
"overtaking aircraft"
means an aircraft that approaches anothe from the rear on a line forming an angle of less than 7¢ degrees with the plane of symmetry of the latter, so that i is in such a position with reference to the other aircraft tha at night it should be unable to see either of the aircraft': left (port) or right (starboard) navigation lights;
"parascending parachute"
means a parachute which is towed by cable in such a manner as to cause it to ascend;
"pilot-in-command"
means the pilot designated by the operato: or in the case of general aviation, the owner as being ir command and charge with the safe conduct of a flight;
"'pressure-altitude"
means an atmospheric pressure expressed in terms of altitude which corresponds to that pressure in the standard atmosphere;
"problematic use of substances"
means the use of one or more psychoactive substances by aviation personnel in a way that-
(a)
constitutes a direct hazard to the user or endangers the lives, health or welfare of others; or
(b)
causes or worsens an occupational, social, mental or physical problem or disorder;
"prohibited area"
means an airspace of defined dimensions, above the land areas or territorial waters of a State, within . which the flight of aircraft is prohibited;
"psychoactive substance"
includes alcohol, opioids, cannabinoids, sedatives and hypnotics, cocaine, other psychostimulants, hallucinogens, and volatile solvents, excluding coffee and tobacco;
"radiotelephony"
means a form of radio communication primarily intended for the exchange of information in the form of speech;
"remote pilot"
means a person charged by the operator with duties essential to the operation of a remotely piloted aircraft and who manipulates the flight controls, as appropriate, during flight time;
"remote pilot station"
means the component of the remotely piloted aircraft system containing the equipment used to pilot the remotely piloted aircraft;
"remotely piloted aircraft"
means an unmanned aircraft which is piloted from a remote pilot station;
"remotely piloted aircraft observer"
means a trained and competent person designated by the operator who, by visual observation of the remotely piloted aircraft, assists the remote pilot in the safe conduct of the flight;
"remotely piloted aircraft system"
means a remotely piloted aircraft, associated remote pilot station, the required command and control links and any other components as specified in the type design;
"repetitive flight plan"
means a flight plan related to a series of frequently recurring, regularly operated individual flights
with identical basic features, submitted by an operator for retention and repetitive use by air traffic service units;
"reporting point"
means a specified geographical location in relation to which the position of an aircraft can be reported;
"restricted area"
means an airspace of defined dimensions, above the land areas or territorial waters of a State, within which the flight of an aircraft is restricted in accordance with certain specified conditions;
"runway"
means a defined rectangular area on a land aerodrome prepared for the landing and take-off of aircraft;
"safety-sensitive personnel"
means persons who might endanger aviation safety if they perform their duties and functions improperly including, crew members, aircraft maintenance personnel and air traffic controllers;
"simulated instrument flight"
means a flight during which mechanical or optical devices are used in order to reduce the field of vision or the range of visibility from the cockpit of the aircraft;
"signal area"
means an area on an aerodrome used for the display of ground signals;
"special visual flight rules"
means a visual flight rules traffic cleared by air traffic control to operate within the control zone under meteorological conditions below the visual meteorological conditions or at night;
"special visual flight rules flight"
means a visual flight rules flight cleared by traffic control to operate within a control zone in meteorological conditions below visual meteorological conditions;
"secondary surveillance radar"
means a surveillance radar system which uses interrogators and transponders;
"taxiing"
means movement of an aircraft on the surface of an aerodrome under its own power, excluding take-off and landing;
"taxiway"
means a defined path on a land aerodrome established for the taxiing of aircraft and intended to provide a link between one part of the aerodrome and another and includes-
(a)
aircraft stand taxi lane - a portion of an apron designated as a taxiway and intended to provide access to aircraft stands only;
(b)
apron taxiway -a portion of a taxiway system located on an apron and intended to provide a through taxi route across the apron;
(c)
rapid exit taxiway - a taxiway connected to a runway at an acute angle and designed to allow landing aeroplanes to turn off at higher speeds than are achieved on other exit taxiways thereby minimising runway occupancy times;
"total estimated elapsed time"
means-
(a)
for instrument flight rules flights, the estimated time required from take-off to arrive over that designated point, defined by reference to navigation aids, from which it is intended that an instrument approach procedure will be commenced or, if no navigation aid is associated with the destination aerodrome, to arrive over the destination aerodrome; and
(b)
for visual flight rules flights, the estimated time required from take-off to arrive over the destination aerodrome;
"track"
means the projection on the earth's surface of the pat of an aircraft, the direction of which path at any point usually expressed in degrees from North (true, magnet= or grid);
"traffic information"
means information issued by an air traffi services unit to alert a pilot to other known or observe air traffic which may be in proximity to the position c intended route of flight and help the pilot avoid a collisior
"transition altitude"
means the altitude at or below which th vertical position of an aircraft is controlled by referenc to altitudes;
"unmanned free balloon"
means a non-power-driven, unmannec lighter-than-air aircraft in free flight;
"visual flight rules flight"
means a flight conducted in accordance with the visual flight rules;
"visibility"
for aeronautical purposes means the greater of-
(a)
the greatest distance at which a black object suitable dimensions, situated near the ground, can b seen and recognised when observed against a brigk background;
(b)
the greatest distance at which lights in the vicinity ¢ 1 000 candelas can be seen and identified against a unlit background;
"visual line-of-sight operation"
means an operation in whic the remote pilot or remotely piloted aircraft observ maintains direct unaided visual contact with the remote! piloted aircraft;
"visual meteorological conditions' means meteorologic conditions expressed in terms of visibility distance fro cloud, and ceiling, equal to or better than specified minim
