altitude de decisão
Specified altitude in precision approach at which a missed approach must be initiated if runway not in sight.
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Flight Planning
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altitude de densidade
Altitude at which the aircraft feels it is flying based on current pressure, temperature, and humidity, affecting performance.
View termaltitude de pressão
Altitude indicated when the altimeter is set to the standard pressure setting of 1013.25 hPa (29.92 inHg).
View termcombustível alternativo em rota
Fuel required to fly from the destination to an alternate aerodrome en‑route under planned conditions.
View termcombustível reserva fixa
Fixed quantity of fuel required to be carried for emergencies as per regulatory minimum reserve rules.
View termcombustível reserva variável
Additional reserve fuel calculated proportionally to flight time beyond the fixed reserve, for unforeseen delays.
View termcombustível taxi‑in
Estimated fuel required for taxiing after landing, including clearing runway and reaching gate.
View termcombustível taxi‑out
Fuel required for engine start, taxi, and contingencies before take-off.
View termComponente De Vento Cruzado
Wind Component Perpendicular To The Runway Centerline, Affecting Aircraft Lateral Control During Take‑Off And Landing.
View termcomponente de vento de cara
The component of the wind along the runway axis directed opposite to aircraft’s travel, used for performance calculations.
View termComponente De Vento De Cauda
Wind Blowing In The Same Direction As Aircraft Movement, Reducing Lift And Increasing Required Take‑Off Or Landing Distance.
View termComponente De Vento De Frente
Wind Blowing Opposite To Aircraft Movement, Increasing Lift And Reducing Required Take‑Off Or Landing Distance.
View termComprimento Da Stopway
Length Of The Designated Area Beyond The Runway End That Can Be Used To Decelerate During A Rejected Take‑Off, As Part Of ASDA.
View termcomprimento da área de parada
The length of a stopway usable in the event of a rejected take-off, beyond the take-off run available.
View termcomprimento da área limpa
A defined rectangular area beyond the runway, free of obstructions, suitable for aircraft to continue take-off in case of engine failure.
View termcomprimento de pista balanceado
Runway length at which accelerate-go and accelerate-stop distances are equal under specified conditions.
View termcorreção de comprimento de pista para inclinação e temperatura
Adjustment applied to declared runway length to account for runway slope and ambient temperature effects on aircraft performance.
View termcorrida de decolagem disponível
Declared length of runway suitable for the ground run of an aircraft taking off, excluding clearway.
View termCódigo De Condição Da Pista
Numeric Value From 0 To 6 Indicating The Braking Action And Surface Condition Of A Runway As Published In A Runway Condition Report.
View termDecolagem Com Temperatura Flex
Take‑off Using An Assumed Temperature Higher Than Actual To Reduce Thrust And Prolong Engine Life While Meeting Performance Requirements.
View termdistância acelerar-prosseguir requerida
Distance needed to accelerate to decision speed, experience an engine failure and continue take-off to 35 ft above runway.
View termdistância de decisão disponível
Distance from threshold to point on runway where go‑around decision altitude is reached, allowing a missed‑approach before runway end.
View termdistância de decolagem disponível
Declared length of runway plus clearway that is available and suitable for the ground run of an aircraft taking off.
View termdistância de pouso disponível
Declared length of runway that is available and suitable for the ground run of an aircraft landing.
View termdistância de pouso requerida
Calculated distance an aircraft needs to land and come to a complete stop under existing conditions.
View termdistância de rolagem no solo
The distance from brake-release or acceleration point to airplane lift-off during take‑off roll.
View termEmpuxo Contínuo Máximo
The highest level of engine thrust that can be used continuously without time limitation under normal operating conditions.
View termEmpuxo De Decolagem Reduzido
Reduced engine thrust setting used for take-off to extend engine life, improve fuel efficiency, and meet noise abatement procedures.
View termEmpuxo De Decolagem Reduzido
Thrust Less Than Maximum Take‑Off Thrust Applied During Take‑Off To Increase Engine Life And Optimize Operational Efficiency.
View termgradiente de subida na aterragem
Minimum climb performance required during a go-around or missed approach with all engines operating.
View termGradiente Mínimo De Subida
Lowest climb gradient required to ensure obstacle clearance or meet procedure design criteria.
View termMatriz De Avaliação Da Condição Da Pista
Standardized Tool Used To Assign Runway Condition Codes Based On Surface Type And Contaminant Characteristics, Supporting Aircraft Performance Assessment.
View termpeso em rampa
The total weight of the aircraft while parked at the ramp, including fuel, payload, and all crew and equipment before engine start or taxi.
View termpeso operacional básico
The weight of an aircraft including crew, unusable fuel, and all necessary fluids for operation, excluding payload and usable fuel.
View termpeso operacional vazio
The weight of an aircraft including all standard items and operating fluids but excluding payload and usable fuel.
View termProfundidade Da Contaminação Por Água
Vertical Thickness Of Water, Slush, Or Other Moisture‑Related Contaminants On The Runway Measured In Millimetres For Performance Calculations.
View termRelatório De Ação De Frenagem
Pilot‑reported Assessment Of Actual Aircraft Braking Performance On A Runway Surface.
View termRequisito De Subida Na Aproximação
The minimum climb gradient that an aircraft must meet during the missed approach phase, considering one engine inoperative.
View termsubida do segundo segmento
Climb segment from gear retraction to acceleration altitude with one-engine inoperative, maintaining prescribed gradient.
View termsubida final de descolagem
Climb segment after acceleration and flap retraction up to en‑route climb altitude with one-engine inoperative.
View termsuperfície de segmento visual
An obstacle‑free area beyond the runway threshold, providing required visual clearance during the final approach segment.
View termsuperfície de separação de obstáculos
Imaginary inclined plane established to ensure minimum safe vertical separation between aircraft flight paths and obstacles.
View termtaxa de variação de temperatura da atmosfera padrão
The rate at which temperature decreases with altitude under standard atmospheric conditions, 2 °C per 1000 ft or 6.5 °C per 1000 m.
View termtrajetória líquida de decolagem
Minimum vertical profile flown after take‑off, reduced from gross climb to ensure obstacle clearance following critical-engine failure
View termvelocidade calibrada do ar
Indicated airspeed corrected for instrument and position errors, used for accurate performance calculations.
View termvelocidade de referência de aproximação
Speed selected for use on final approach segment, ensuring safe control margin above stall but stable profile.
View termvelocidade de referência de pouso
Target speed established by crew to optimize landing safety and performance, typically VREF plus wind correction.
View termvelocidade de segurança de descolagem
Target airspeed reached after V2 during take‑off, providing sufficient climb gradient with one engine inoperative.
View termvelocidade equivalente do ar
Indicated airspeed corrected for compressibility effects at altitude, used for performance comparisons.
View termVelocidade Máxima De Energia De Travagem
The highest speed from which an aircraft can stop without exceeding the maximum brake energy limit, used to ensure brake system integrity and safety.
View termVelocidade Máxima Do Pneu
The highest ground speed a tire can sustain without risking structural failure, defined by aircraft and tire manufacturers.
View termvento cruzado máximo demonstrado
The highest crosswind component at which satisfactory control was demonstrated during aircraft certification flight tests.
View term