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Flight Planning

Browse Flight Planning terms for pilots, air traffic controllers, cabin crew and aviation learners.

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การแก้ไขความยาวรันเวย์ตามความลาดและอุณหภูมิ

Adjustment applied to declared runway length to account for runway slope and ambient temperature effects on aircraft performance.

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การไต่ขั้นสุดท้ายหลังการขึ้นจอด

Climb segment after acceleration and flap retraction up to en‑route climb altitude with one-engine inoperative.

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ขั้นที่สองของการไต่

Climb segment from gear retraction to acceleration altitude with one-engine inoperative, maintaining prescribed gradient.

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ข้อกำหนดการไต่ระดับขณะเข้าใกล้

The minimum climb gradient that an aircraft must meet during the missed approach phase, considering one engine inoperative.

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ความชันการไต่ขั้นต่ำ

Lowest climb gradient required to ensure obstacle clearance or meet procedure design criteria.

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ความชันการไต่ในการลงจอด

Minimum climb performance required during a go-around or missed approach with all engines operating.

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ความยาว 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.

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ความยาวทางหยุด

The length of a stopway usable in the event of a rejected take-off, beyond the take-off run available.

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ความยาวพื้นที่ปลอดสิ่งกีดขวาง

A defined rectangular area beyond the runway, free of obstructions, suitable for aircraft to continue take-off in case of engine failure.

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ความยาวรันเวย์สมดุล

Runway length at which accelerate-go and accelerate-stop distances are equal under specified conditions.

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ความลึกของการปนเปื้อนน้ำ

Vertical Thickness Of Water, Slush, Or Other Moisture‑Related Contaminants On The Runway Measured In Millimetres For Performance Calculations.

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ความสูงตัดสินใจ

Specified altitude in precision approach at which a missed approach must be initiated if runway not in sight.

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ความสูงตามความกดอากาศ

Altitude indicated when the altimeter is set to the standard pressure setting of 1013.25 hPa (29.92 inHg).

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ความสูงเชิงความหนาแน่น

Altitude at which the aircraft feels it is flying based on current pressure, temperature, and humidity, affecting performance.

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ความเร็วความปลอดภัยการบินขึ้น

Target airspeed reached after V2 during take‑off, providing sufficient climb gradient with one engine inoperative.

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ความเร็วพลังงานเบรกสูงสุด

The highest speed from which an aircraft can stop without exceeding the maximum brake energy limit, used to ensure brake system integrity and safety.

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ความเร็วลงจอดอ้างอิง

Target speed established by crew to optimize landing safety and performance, typically VREF plus wind correction.

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ความเร็วสูงสุดของยาง

The highest ground speed a tire can sustain without risking structural failure, defined by aircraft and tire manufacturers.

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ความเร็วอากาศที่ปรับเทียบแล้ว

Indicated airspeed corrected for instrument and position errors, used for accurate performance calculations.

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ความเร็วอากาศเทียบเท่า

Indicated airspeed corrected for compressibility effects at altitude, used for performance comparisons.

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ความเร็วอ้างอิงขณะเข้าใกล้

Speed selected for use on final approach segment, ensuring safe control margin above stall but stable profile.

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น้ำหนักการใช้งานพื้นฐาน

The weight of an aircraft including crew, unusable fuel, and all necessary fluids for operation, excluding payload and usable fuel.

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น้ำหนักขณะอยู่ลานจอด

The total weight of the aircraft while parked at the ramp, including fuel, payload, and all crew and equipment before engine start or taxi.

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น้ำหนักเปล่าขณะใช้งาน

The weight of an aircraft including all standard items and operating fluids but excluding payload and usable fuel.

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ผิวส่วนภาควิสัย

An obstacle‑free area beyond the runway threshold, providing required visual clearance during the final approach segment.

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พื้นผิวเว้นสิ่งกีดขวาง

Imaginary inclined plane established to ensure minimum safe vertical separation between aircraft flight paths and obstacles.

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รหัสสภาพรันเวย์

Numeric Value From 0 To 6 Indicating The Braking Action And Surface Condition Of A Runway As Published In A Runway Condition Report.

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ระยะทางตัดสินใจที่มี

Distance from threshold to point on runway where go‑around decision altitude is reached, allowing a missed‑approach before runway end.

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ระยะทางลงจอดที่ต้องการ

Calculated distance an aircraft needs to land and come to a complete stop under existing conditions.

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ระยะทางลงจอดที่ใช้ได้

Declared length of runway that is available and suitable for the ground run of an aircraft landing.

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ระยะทางวิ่งขึ้นที่ใช้ได้

Declared length of runway plus clearway that is available and suitable for the ground run of an aircraft taking off.

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ระยะทางเร่ง-ต่อเนื่องที่ต้องการ

Distance needed to accelerate to decision speed, experience an engine failure and continue take-off to 35 ft above runway.

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ระยะล้อแตะพื้น

The distance from brake-release or acceleration point to airplane lift-off during take‑off roll.

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ระยะวิ่งขึ้นที่ใช้ได้

Declared length of runway suitable for the ground run of an aircraft taking off, excluding clearway.

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รายงานการเบรก

Pilot‑reported Assessment Of Actual Aircraft Braking Performance On A Runway Surface.

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ลมขวางสูงสุดที่สาธิตได้

The highest crosswind component at which satisfactory control was demonstrated during aircraft certification flight tests.

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ส่วนประกอบลมต้าน

The component of the wind along the runway axis directed opposite to aircraft’s travel, used for performance calculations.

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องค์ประกอบลมขวาง

Wind Component Perpendicular To The Runway Centerline, Affecting Aircraft Lateral Control During Take‑Off And Landing.

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องค์ประกอบลมตาม

Wind Blowing In The Same Direction As Aircraft Movement, Reducing Lift And Increasing Required Take‑Off Or Landing Distance.

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องค์ประกอบลมต้าน

Wind Blowing Opposite To Aircraft Movement, Increasing Lift And Reducing Required Take‑Off Or Landing Distance.

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อัตราลดอุณหภูมิชั้นบรรยากาศมาตรฐาน

The rate at which temperature decreases with altitude under standard atmospheric conditions, 2 °C per 1000 ft or 6.5 °C per 1000 m.

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เชื้อเพลิงลากจูงออก

Fuel required for engine start, taxi, and contingencies before take-off.

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เชื้อเพลิงลากจูงเข้า

Estimated fuel required for taxiing after landing, including clearing runway and reaching gate.

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เชื้อเพลิงสำรองคงที่

Fixed quantity of fuel required to be carried for emergencies as per regulatory minimum reserve rules.

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เชื้อเพลิงสำรองทางอากาศระหว่างเส้นทาง

Fuel required to fly from the destination to an alternate aerodrome en‑route under planned conditions.

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เชื้อเพลิงสำรองผันแปร

Additional reserve fuel calculated proportionally to flight time beyond the fixed reserve, for unforeseen delays.

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เทค‑ออฟอุณหภูมิเฟลกซ์

Take‑off Using An Assumed Temperature Higher Than Actual To Reduce Thrust And Prolong Engine Life While Meeting Performance Requirements.

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เมทริกซ์ประเมินสภาพทางวิ่ง

Standardized Tool Used To Assign Runway Condition Codes Based On Surface Type And Contaminant Characteristics, Supporting Aircraft Performance Assessment.

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เส้นทางบินขึ้นสุทธิ

Minimum vertical profile flown after take‑off, reduced from gross climb to ensure obstacle clearance following critical-engine failure

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แรงขับต่อเนื่องสูงสุด

The highest level of engine thrust that can be used continuously without time limitation under normal operating conditions.

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แรงขับในการขึ้นที่ลดลง

Reduced engine thrust setting used for take-off to extend engine life, improve fuel efficiency, and meet noise abatement procedures.

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แรงขับในการขึ้นที่ลดลง

Thrust Less Than Maximum Take‑Off Thrust Applied During Take‑Off To Increase Engine Life And Optimize Operational Efficiency.

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