アプローチ参照速度
Speed selected for use on final approach segment, ensuring safe control margin above stall but stable profile.
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Flight Planning
Browse Flight Planning terms for pilots, air traffic controllers, cabin crew and aviation learners.
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クリアウェイ長
A defined rectangular area beyond the runway, free of obstructions, suitable for aircraft to continue take-off in case of engine failure.
View termストップウェイの長さ
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 termストップウェイ長
The length of a stopway usable in the event of a rejected take-off, beyond the take-off run available.
View termセグメント2の上昇
Climb segment from gear retraction to acceleration altitude with one-engine inoperative, maintaining prescribed gradient.
View termディシジョン高度
Specified altitude in precision approach at which a missed approach must be initiated if runway not in sight.
View termデレート離陸推力
Reduced engine thrust setting used for take-off to extend engine life, improve fuel efficiency, and meet noise abatement procedures.
View termネット離陸飛行経路
Minimum vertical profile flown after take‑off, reduced from gross climb to ensure obstacle clearance following critical-engine failure
View termバランスドフィールド長
Runway length at which accelerate-go and accelerate-stop distances are equal under specified conditions.
View termビジュアルセグメントサーフェス
An obstacle‑free area beyond the runway threshold, providing required visual clearance during the final approach segment.
View termファイナル離陸上昇
Climb segment after acceleration and flap retraction up to en‑route climb altitude with one-engine inoperative.
View termフレックス離陸
Take‑off Using An Assumed Temperature Higher Than Actual To Reduce Thrust And Prolong Engine Life While Meeting Performance Requirements.
View termブレーキ性能報告
Pilot‑reported Assessment Of Actual Aircraft Braking Performance On A Runway Surface.
View termランプ重量
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 term使用可能な着陸距離
Declared length of runway that is available and suitable for the ground run of an aircraft landing.
View term使用可能な離陸滑走距離
Declared length of runway suitable for the ground run of an aircraft taking off, excluding clearway.
View term使用可能な離陸距離
Declared length of runway plus clearway that is available and suitable for the ground run of an aircraft taking off.
View term参照着陸速度
Target speed established by crew to optimize landing safety and performance, typically VREF plus wind correction.
View term可変予備燃料
Additional reserve fuel calculated proportionally to flight time beyond the fixed reserve, for unforeseen delays.
View term向かい風成分
Wind Blowing Opposite To Aircraft Movement, Increasing Lift And Reducing Required Take‑Off Or Landing Distance.
View term向かい風成分
The component of the wind along the runway axis directed opposite to aircraft’s travel, used for performance calculations.
View term固定予備燃料
Fixed quantity of fuel required to be carried for emergencies as per regulatory minimum reserve rules.
View term圧力高度
Altitude indicated when the altimeter is set to the standard pressure setting of 1013.25 hPa (29.92 inHg).
View term地上走行距離
The distance from brake-release or acceleration point to airplane lift-off during take‑off roll.
View term基本運用重量
The weight of an aircraft including crew, unusable fuel, and all necessary fluids for operation, excluding payload and usable fuel.
View term密度高度
Altitude at which the aircraft feels it is flying based on current pressure, temperature, and humidity, affecting performance.
View term必要な加速継続距離
Distance needed to accelerate to decision speed, experience an engine failure and continue take-off to 35 ft above runway.
View term必要な着陸距離
Calculated distance an aircraft needs to land and come to a complete stop under existing conditions.
View term斜面および温度に対する滑走路長補正
Adjustment applied to declared runway length to account for runway slope and ambient temperature effects on aircraft performance.
View term最大タイヤ速度
The highest ground speed a tire can sustain without risking structural failure, defined by aircraft and tire manufacturers.
View term最大ブレーキエネルギー速度
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 term最大実証クロスウィンド
The highest crosswind component at which satisfactory control was demonstrated during aircraft certification flight tests.
View term最大連続推力
The highest level of engine thrust that can be used continuously without time limitation under normal operating conditions.
View term最小上昇勾配
Lowest climb gradient required to ensure obstacle clearance or meet procedure design criteria.
View term標準大気温度逓減率
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 term横風成分
Wind Component Perpendicular To The Runway Centerline, Affecting Aircraft Lateral Control During Take‑Off And Landing.
View term水分汚染深さ
Vertical Thickness Of Water, Slush, Or Other Moisture‑Related Contaminants On The Runway Measured In Millimetres For Performance Calculations.
View term決心距離利用可能
Distance from threshold to point on runway where go‑around decision altitude is reached, allowing a missed‑approach before runway end.
View term減推力離陸
Thrust Less Than Maximum Take‑Off Thrust Applied During Take‑Off To Increase Engine Life And Optimize Operational Efficiency.
View term滑走路状態コード
Numeric Value From 0 To 6 Indicating The Braking Action And Surface Condition Of A Runway As Published In A Runway Condition Report.
View term滑走路状態評価マトリックス
Standardized Tool Used To Assign Runway Condition Codes Based On Surface Type And Contaminant Characteristics, Supporting Aircraft Performance Assessment.
View term相当対気速度
Indicated airspeed corrected for compressibility effects at altitude, used for performance comparisons.
View term着陸後滑走燃料
Estimated fuel required for taxiing after landing, including clearing runway and reaching gate.
View term着陸時の上昇勾配
Minimum climb performance required during a go-around or missed approach with all engines operating.
View term経路上代替空港燃料
Fuel required to fly from the destination to an alternate aerodrome en‑route under planned conditions.
View term較正対気速度
Indicated airspeed corrected for instrument and position errors, used for accurate performance calculations.
View term追い風成分
Wind Blowing In The Same Direction As Aircraft Movement, Reducing Lift And Increasing Required Take‑Off Or Landing Distance.
View term進入上昇要件
The minimum climb gradient that an aircraft must meet during the missed approach phase, considering one engine inoperative.
View term運航空虚重量
The weight of an aircraft including all standard items and operating fluids but excluding payload and usable fuel.
View term障害物クリアランス面
Imaginary inclined plane established to ensure minimum safe vertical separation between aircraft flight paths and obstacles.
View term離陸前滑走燃料
Fuel required for engine start, taxi, and contingencies before take-off.
View term離陸安全速度
Target airspeed reached after V2 during take‑off, providing sufficient climb gradient with one engine inoperative.
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