CAAP Flight Dispatcher key terms
CAAP Flight Dispatcher · Get comfortable with the vocabulary.
- Air Operator Certificate (AOC)
- Related: Operations Specifications, Philippine Civil Aviation Regulations (PCAR)
A certificate issued by the Civil Aviation Authority of the Philippines authorizing an operator to conduct commercial air transport operations, specifying the types of aircraft and kinds of operations permitted.
- Operations Specifications (OpsSpecs)
- Related: Air Operator Certificate (AOC), Minimum Equipment List (MEL)
The document attached to an AOC that lists specific authorizations, limitations, and conditions such as routes, aerodromes, approaches, and special procedures an operator may use.
- Philippine Civil Aviation Regulations (PCAR)
- Related: ICAO Annex 6, Air Operator Certificate (AOC)
The national regulatory framework issued by the Civil Aviation Authority of the Philippines, largely aligned with ICAO Annexes, governing licensing, operations, airworthiness, and air traffic services.
- ICAO Annex 6
- Related: Philippine Civil Aviation Regulations (PCAR), Flight Time Limitations
The international standard covering operation of aircraft, setting requirements for flight operations, crew, fuel, instruments, and record keeping for commercial air transport.
- Flight Time Limitations (FTL)
- Related: Duty Period, Circadian Rhythm
Regulatory limits on how many hours a crew member may fly and be on duty within defined periods, intended to control fatigue and preserve safe performance.
- Duty Period
- Related: Flight Time Limitations (FTL), Rest Period
The elapsed time from when a crew member reports for duty to when they are released from it, including flying and ground duties but excluding rest.
- Rest Period
- Related: Duty Period, Circadian Rhythm
An uninterrupted block of time free of all duty during which a crew member may sleep and recover before the next duty period.
- Operational Flight Plan
- Related: Fuel Policy, Alternate Aerodrome
A document prepared for a specific flight listing route, altitudes, fuel, weights, alternates, and expected conditions, used by the crew and retained for operational control.
- Alternate Aerodrome
- Related: Operational Flight Plan, Contingency Fuel
An aerodrome to which an aircraft may proceed if landing at the intended destination becomes impossible or inadvisable, requiring adequate weather and runway suitability.
- Equal Time Point (ETP)
- Related: Point of No Return (PNR), Drift Down
The point along a route where the time needed to reach either of two diversion aerodromes is the same, used for planning diversions on long overwater sectors.
- Point of No Return (PNR)
- Related: Equal Time Point (ETP), Contingency Fuel
The furthest point along a route from which an aircraft can still return to its departure aerodrome with the fuel remaining, after which continuation is the only option.
- Fuel Policy
- Related: Final Reserve Fuel, Contingency Fuel
The operator's approved method for calculating fuel uplift, defining taxi, trip, contingency, alternate, final reserve, and additional fuel components for each flight.
- Final Reserve Fuel
- Related: Fuel Policy, Contingency Fuel
The minimum fuel that must remain on landing, typically 30 minutes of holding at 1,500 feet above the alternate, protecting against unforeseen delays.
- Contingency Fuel
- Related: Final Reserve Fuel, Fuel Policy
Fuel carried to cover unplanned deviations such as weather, routing, or traffic delays, usually a percentage of trip fuel or a time-based allowance.
- Zero Fuel Weight (ZFW)
- Related: Maximum Takeoff Weight (MTOW), Center of Gravity (CG)
The total weight of the aircraft and its contents excluding usable fuel, used as a limiting structural weight for planning payload.
- Maximum Takeoff Weight (MTOW)
- Related: Zero Fuel Weight (ZFW), Balanced Field Length
The highest weight at which an aircraft is certified to begin the takeoff roll, limited by structure, runway length, climb performance, or obstacle clearance.
- Center of Gravity (CG)
- Related: Zero Fuel Weight (ZFW), Load Sheet
The point where the aircraft's total weight is considered concentrated, which must stay within a certified forward and aft range for control and performance.
- Load Sheet
- Related: Center of Gravity (CG), Zero Fuel Weight (ZFW)
A document showing the distribution of traffic load, total weights, and the resulting center of gravity position, signed before departure as a loading record.
- Balanced Field Length
- Related: Maximum Takeoff Weight (MTOW), V1
The runway length at which the accelerate-stop distance equals the accelerate-go distance, giving the greatest allowable takeoff weight for a runway.
- V1
- Related: Balanced Field Length, V2
The decision speed at which a failure is recognized and the takeoff can either be safely continued or safely stopped on the remaining runway.
- V2
- Related: V1, Drift Down
The takeoff safety speed that must be maintained to at least 35 feet above the runway end with one engine inoperative, ensuring minimum climb gradient.
- Drift Down
- Related: V2, Equal Time Point (ETP)
A descent to a lower altitude after an engine failure at high altitude, where the aircraft can maintain level flight on remaining thrust until a suitable diversion.
- METAR
- Related: TAF, SPECI
A routine coded observation of surface weather at an aerodrome, reporting wind, visibility, cloud, temperature, dew point, and pressure at a stated time.
- TAF
- Related: METAR, Alternate Aerodrome
A forecast of expected aerodrome weather covering a stated period, used to judge whether destination and alternate weather will meet planning minima.
- SPECI
- Related: METAR, TAF
A special aerodrome weather report issued when conditions change significantly and meet specified criteria, such as a sudden drop in visibility or ceiling.
- Low-Level Wind Shear
- Related: Microburst, Microburst Alert
A sudden change in wind speed or direction over a short distance, often near thunderstorms or frontal zones, that can cause large airspeed changes on approach.
- Microburst
- Related: Low-Level Wind Shear, Microburst Alert
A localized downdraft producing a strong outflow at the surface, creating a headwind then tailwind shift that can cause severe performance loss on approach.
- Microburst Alert
- Related: Microburst, Low-Level Wind Shear
A warning issued by low-level wind shear alerting systems when a microburst is detected, advising pilots of hazardous wind conditions near the aerodrome.
- Instrument Landing System (ILS)
- Related: Decision Altitude (DA), Minimum Descent Altitude (MDA)
A precision approach aid providing lateral guidance from a localizer and vertical guidance from a glide path, allowing approaches to low decision heights.
- Decision Altitude (DA)
- Related: Instrument Landing System (ILS), Minimum Descent Altitude (MDA)
The altitude on a precision approach at which a missed approach must be initiated if the required visual reference has not been established.
- Minimum Descent Altitude (MDA)
- Related: Decision Altitude (DA), Instrument Landing System (ILS)
The lowest altitude on a non-precision approach to which descent may continue without the required visual reference to the runway environment.
- Reduced Vertical Separation Minimum (RVSM)
- Related: Altimeter Setting, Required Navigation Performance (RNP)
An airspace designation permitting 1,000-foot vertical spacing between aircraft above a set altitude, requiring approved altimetry and autopilot equipment.
- Required Navigation Performance (RNP)
- Related: Reduced Vertical Separation Minimum (RVSM), Area Navigation (RNAV)
A navigation specification stating the accuracy an aircraft must maintain within a defined airspace, with onboard performance monitoring and alerting required.
- Minimum Equipment List (MEL)
- Related: Configuration Deviation List (CDL), Operations Specifications (OpsSpecs)
An approved document listing instruments and equipment that may be inoperative while still allowing dispatch, subject to stated conditions and repair intervals.
- Dangerous Goods Declaration
- Related: Shipper's Declaration, UN Number
A document completed by the shipper certifying that a consignment has been classified, packed, marked, and labeled in accordance with applicable dangerous goods regulations.
- UN Number
- Related: Dangerous Goods Declaration, Shipper's Declaration
A four-digit identification code assigned to a specific dangerous good or group of goods, used to look up handling, packing, and emergency response information.
- Shipper's Declaration
- Related: Dangerous Goods Declaration, UN Number
The signed statement from the consignor that accompanies a dangerous goods shipment, providing identification, class, quantity, and packing details for acceptance checks.
- Crew Resource Management (CRM)
- Related: Situational Awareness, Threat and Error Management (TEM)
Training and practice that develops effective use of all available resources, including crew, equipment, and information, to improve safety and decision making.
- Threat and Error Management (TEM)
- Related: Crew Resource Management (CRM), Situational Awareness
A framework for recognizing threats to a flight, trapping errors before they escalate, and managing any undesired aircraft state that results.
- Situational Awareness
- Related: Crew Resource Management (CRM), Threat and Error Management (TEM)
A crew's accurate perception and understanding of what is happening around the aircraft, including position, weather, traffic, and system status.
- Circadian Rhythm
- Related: Flight Time Limitations (FTL), Duty Period
The body's internal roughly 24-hour cycle regulating sleep and alertness, which is disrupted by crossing time zones and by night flying.
- Safety Management System (SMS)
- Related: Just Culture, Threat and Error Management (TEM)
A structured set of processes for identifying hazards, assessing and mitigating risk, and assuring safety performance within an aviation organization.
- Just Culture
- Related: Safety Management System (SMS), Crew Resource Management (CRM)
A safety approach that encourages reporting of errors without fear of punishment while still holding people accountable for reckless or intentional acts.
- Altimeter Setting
- Related: Transition Altitude, Reduced Vertical Separation Minimum (RVSM)
The pressure value set on the altimeter subscale so that the instrument indicates the correct altitude or flight level for the phase of flight.
- Transition Altitude
- Related: Altimeter Setting, Reduced Vertical Separation Minimum (RVSM)
The altitude above which a pilot sets the standard pressure reference and reports flight levels instead of altitudes, varying by aerodrome or region.