ADIRS-1 ใช้งานไม่ได้
Primary ADIRS channel 1 failed; aircraft relying on remaining or standby navigation sources in accordance with MEL.
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MEL and CDL MEL and CDL
Browse MEL and CDL MEL and CDL terms for pilots, air traffic controllers, cabin crew and aviation learners.
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ADIRU สำรอง
Independent backup ADIRU providing attitude, heading, and air-data when primary systems are degraded or failed.
View termการดำเนินการแก้ไข
The specific maintenance or operational step taken to resolve a defect, discrepancy, or deferred item as documented in the logbook or MEL.
View termการตรวจสอบนอกแผน
Maintenance inspection not aligned with normal cycle, scheduled according to special interval or condition.
View termการติดตามสภาพ
Ongoing process of assessing system or component health through data and trend analysis to guide maintenance decisions.
View termการปล่อยใช้งานที่ได้รับการรับรอง
Formal written declaration by licensed engineer that aircraft or component is airworthy and fit for return to operation.
View termการสึกหรอของเบรก
The condition in which the aircraft’s brake components have undergone material loss due to repeated use, requiring monitoring and possible replacement if limits are exceeded.
View termการอ้างอิงบท ATA
Standardized reference number identifying aircraft system/component according to the ATA 100/2200 maintenance coding system.
View termการอ้างอิงบัตรงาน
Unique identifier of a maintenance work card specifying approved procedures for inspection, repair, or modification.
View termการเบี่ยงเบนโครงสร้าง
A formally approved variation from the aircraft’s standard configuration as specified in the Configuration Deviation List (CDL), which may permit flight with certain external parts missing or inoperative.
View termการเบี่ยงเบนในการปล่อยเครื่อง
An authorized variation from standard aircraft configuration or equipment status, documented for legal dispatch of a flight.
View termการเลื่อน
A formal process allowing a non-essential inoperative item to be left unrepaired for a specified time under MEL/CDL limits.
View termการแก้ไขขั้นตอนชั่วคราว
A temporary update to operational or maintenance procedures, issued before the next official revision, to address urgent safety, regulatory, or operational requirements. Used in documentation and flight operations until formal revision is published.
View termขยายระยะเวลาการแก้ไข
Formal approval to extend the allowable period for repair of a deferred defect beyond original MEL interval.
View termขั้นตอนการบำรุงรักษา
A required action by maintenance personnel to address an MEL/CDL item, often prerequisite for dispatch or rectification.
View termขั้นตอนปฏิบัติงาน
A mandatory action or set of actions required by flight crew to safely operate an aircraft system, especially with an MEL/CDL item.
View termข้อจำกัดการปล่อยเครื่อง
Restrictive condition under which an aircraft may be dispatched due to system defect or MEL, affecting allowable operation.
View termข้อบกพร่องที่บันทึกในสมุดห้องโดยสาร
A discrepancy, malfunction, or abnormality reported by crew and recorded in the aircraft cabin log for maintenance attention, typically affecting passenger or crew services and requiring rectification before or after flight.
View termคำสั่งรณรงค์ฝูงบิน
Mandatory maintenance or modification order issued by the operator or manufacturer, applicable to an entire fleet.
View termค่าความคลาดเข็มทิศ
Error between magnetic compass indication and actual magnetic heading exceeding permissible limits; requires calibration swing.
View termชิ้นส่วนรอการจัดส่ง
Maintenance action deferred because required replacement part is not yet available in inventory or supply chain.
View termช่วงเวลาซ่อมบำรุง
The maximum period permitted by the MEL for rectifying an inoperative item before mandatory maintenance is required.
View termดำเนินการตามคำสั่งวิศวกรรมแล้ว
Formal modification or repair directive implemented and documented by engineering, referenced in aircraft technical records.
View termตัวควบคุมความดันห้องโดยสาร 1 ใช้งานไม่ได้
Primary automatic pressurization channel failed; crew managing cabin differential in manual mode per QRH procedures.
View termต้องการทดสอบการทำงาน
Indicates requirement for an operational or systems test to confirm correct function of a repaired or replaced item.
View termต้องการแก้ไขปัญหา
Further diagnostic action needed to isolate cause of technical fault or failure not resolved by initial inspection.
View termต้องใช้ขั้นตอนสำรอง
Standard operating sequence unavailable; crew must follow officially published alternate or contingency checklist.
View termที่นั่งลูกเรือใช้การไม่ได้
Flight-deck seat fails to lock, adjust, or retract, potentially compromising crew safety and requiring MEL evaluation.
View termบัตรงานเสร็จสมบูรณ์
Documented evidence that all steps of an assigned maintenance task card have been performed and signed off.
View termบันทึกคำสั่งความสมควรเดินอากาศแล้ว
Mandatory compliance record entered in technical log documenting completion of authority-issued safety directive.
View termบันทึกผลกระทบการปฏิบัติการ
Written record in technical log noting operational effects or limitations resulting from an aircraft defect, MEL, or deferred item.
View termประกาศซ่อมบำรุงค้างอยู่
Manufacturer’s recommended modification or inspection not yet incorporated; outstanding action listed in maintenance records.
View termประเภท A
A Minimum Equipment List category requiring rectification of an inoperative item within a time period specified in the MEL, usually before next flight.
View termประเภท B
A Minimum Equipment List category requiring rectification of an inoperative item within three consecutive calendar days, excluding the day of discovery.
View termประเภท C
A Minimum Equipment List category requiring rectification of an inoperative item within ten consecutive calendar days, excluding the day of discovery.
View termประเภท D
A Minimum Equipment List category requiring rectification of an inoperative item within 120 consecutive calendar days, excluding the day of discovery.
View termปริมาณไฮดรอลิกต่ำ
Indicates that the fluid level in a hydraulic reservoir is below the specified minimum for safe system operation.
View termปล่อยเที่ยวบินด้วย APU
Authorization for a flight to dispatch with the Auxiliary Power Unit (APU) operating or required, usually due to ground power limitations or MEL stipulations.
View termป้ายประกาศ
An official sign or label installed in the cockpit or cabin to indicate equipment limitations, status, or required procedures per MEL or CDL.
View termฝาครอบพิท็อตติดตั้งอยู่
Protective pitot-tube cover still fitted, blocking dynamic-pressure input and rendering airspeed indications unreliable.
View termระบบป้องกันลื่นไถลไม่ทำงาน
A condition where the antiskid braking system is not operational, requiring alternate braking procedures and possible performance penalties.
View termรายการการเบี่ยงเบนค่ากำหนด
An official document specifying permissible aircraft configuration deviations that do not affect safe flight, used for dispatch with non-standard configurations.
View termรายการข้อยกเว้นโครงสร้าง
An entry in the Configuration Deviation List authorizing dispatch with specific external or configuration deviations, within specified limitations.
View termรายการข้อยกเว้นโครงสร้าง
An authorized deviation from aircraft configuration detailed in the Configuration Deviation List, permitting dispatch with specific missing or inoperative external parts.
View termรายการงานนอกตาราง
A maintenance log entry documenting unscheduled or unexpected technical issues or discrepancies detected during aircraft operations, requiring attention beyond regular or planned maintenance.
View termรายการที่ต้องทำซ้ำ
A recurring defect or observation required to be checked, recorded, or repeated at intervals specified in the MEL or logbook.
View termรายการที่ห้ามใช้งาน
An inoperative or missing item which, according to MEL or regulatory requirements, prevents the aircraft from being legally dispatched.
View termรายการบันทึกในสมุดบันทึก
A formal record in the aircraft technical log documenting the status, action, or deferral of an MEL/CDL item for legal and maintenance tracking.
View termรายการอุปกรณ์ขั้นต่ำ
An approved document listing the minimum equipment required for safe operation of an aircraft, permitting specified inoperative items under controlled conditions.
View termรายการอุปกรณ์ขั้นต่ำ ETOPS
The Minimum Equipment List applicable to extended-range (ETOPS) flights, specifying the minimum required equipment for oceanic and remote area operations.
View termรายการอุปกรณ์ขั้นต่ำของผู้ดำเนินการ
The MEL approved by the state of the operator, tailored to specific airline operations, listing minimum equipment required for dispatch.
View termรายงานข้อบกพร่องของลูกเรือ
Written logbook entry by flight crew describing observed technical defect or malfunction requiring maintenance action.
View termรายงานข้อบกพร่องที่เลื่อน
A formal record noting a defect which has been deferred under MEL/CDL procedures, including details of rectification plan and interval.
View termรายงานปัญหาการให้บริการ
Official report filed to aviation authority documenting significant aircraft/system in-service malfunction, defect, or repeated failure.
View termวาล์วกันน้ำแข็งขัดข้อง
Malfunction of wing or engine anti-ice valve preventing hot-air flow, compromising ice protection and requiring flight profile adjustment.
View termวิทยุ VHF 1 ไม่ทำงาน
Primary VHF radio channel 1 is not functional, requiring use of alternate radio or backup for ATC communications.
View termศูนย์ควบคุมซ่อมบำรุง
Centralized department overseeing aircraft technical status, defect clearance, and authorizing maintenance actions and MEL deferrals.
View termสตาร์ทเครื่องยนต์ขณะบิน
The procedure of starting an engine during flight, often due to engine flameout or following maintenance.
View termสปอยเลอร์ถูกปิด
A system status where one or more spoiler panels are intentionally or automatically rendered inoperative for the flight.
View termสวิตช์ดำเนินการเลื่อน
Cockpit switch or placard indicating an MEL-approved deferred maintenance item that must not be activated in flight.
View termสไลด์อพยพใช้งานไม่ได้
Inflatable escape slide at an aircraft door unserviceable, precluding passenger carriage until rectified or deferred per MEL.
View termหมายเลขควบคุม
A unique identifier assigned to a deferred defect, MEL/CDL item, or maintenance entry for tracking and compliance.
View termอนุญาตเที่ยวบินเฟอร์รี่
Authority granted to reposition an aircraft without revenue passengers, often under MEL limitations, to maintenance or delivery point.
View termอินเตอร์โฟนใช้การไม่ได้
Internal crew communication system not functioning, affecting cockpit-cabin coordination and triggering MEL action.
View termอุปกรณ์ขั้นต่ำ
The essential items that must be serviceable for an aircraft to be dispatched under the MEL; if not available, flight is not permitted.
View termอุปกรณ์หายใจป้องกันหาย
Required PBE smoke-hood absent from crew station or galley, violating safety regulations until replaced.
View termอุปกรณ์และเฟอร์นิเจอร์ที่ไม่จำเป็น
Equipment or furnishings that are not essential for the airworthiness or safety of the flight and may be deferred.
View termอุปกรณ์และเฟอร์นิเจอร์ที่ไม่จำเป็น
Equipment and furnishings that are not required for safe operation or regulatory compliance and may be inoperative without affecting dispatch eligibility.
View termเครื่องกำเนิดเสริมใช้การไม่ได้
Aircraft auxiliary power unit (APU) generator not providing electrical power, requiring external source for ground operations and start.
View termเครื่องตอบกลับล้มเหลว
The aircraft’s transponder is not transmitting, impacting radar identification and requiring ATC notification and alternate procedures.
View termเครื่องปรับอากาศไม่ทำงาน
Indicates a failure of an air-conditioning pack, possibly affecting cabin pressurization and requiring MEL compliance before dispatch.
View termเครื่องย้อนแรงขับไม่ทำงาน
The thrust reverser mechanism cannot be deployed, requiring alternative braking methods and possibly affecting landing performance.
View termเติมของสิ้นเปลืองแล้ว
A maintenance log entry confirming replenishment of expendable items such as oil, hydraulic fluid, or oxygen.
View termเทคออฟแบบ Bleed-Off
A take-off performed with engine bleed air turned off to optimize thrust, typically when performance-limited.
View termเที่ยวบินตรวจสอบซ่อมบำรุง
Post-maintenance air test conducted to verify aircraft performance and systems before return to commercial service.
View termเที่ยวบินต่อเนื่อง
A sequence of successive flights where certain MEL/CDL items may remain deferred or require repeated checks as specified.
View termเปลี่ยนชิ้นส่วนตามกำหนด
Pre-planned replacement of a part or system component at a specified interval or due time according to maintenance schedule.
View termเปลี่ยนชิ้นส่วนตามกำหนด
Pre-planned replacement of an aircraft component at specific intervals in accordance with the maintenance schedule.
View termเสื้อชูชีพหาย
Required passenger flotation device absent from its assigned seat location, rendering that position unserviceable until replaced in accordance with the MEL.
View termแท่งระบายไฟฟ้าสถิตหาย
Static electricity discharge wick absent from wing or control surface, potentially increasing radio interference until replaced.
View termแผ่นงานส่งมอบทางเทคนิค
A formal document or electronic record certifying an aircraft’s airworthiness and readiness for flight after maintenance actions or inspections, required to be completed and signed by authorized personnel before each departure.
View termโทษน้ำหนัก
An increase in operational weight or a reduction in allowable weight imposed due to specific inoperative equipment or configuration deviations.
View termโทษประสิทธิภาพ
A reduction in aircraft performance, such as climb, takeoff, or landing, resulting from inoperative systems or configuration deviations.
View termใกล้ถึงกำหนดตรวจสอบ
Notification that a scheduled inspection interval will be reached within a short time frame, requiring planning.
View term