ADIRS-1 tidak berfungsi
Primary ADIRS channel 1 failed; aircraft relying on remaining or standby navigation sources in accordance with MEL.
View termCategories
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 siaga
Independent backup ADIRU providing attitude, heading, and air-data when primary systems are degraded or failed.
View termBatasan dispatch
Restrictive condition under which an aircraft may be dispatched due to system defect or MEL, affecting allowable operation.
View termBuletin layanan tertunda
Manufacturer’s recommended modification or inspection not yet incorporated; outstanding action listed in maintenance records.
View termCacat Log Kabin
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 termCatatan dampak operasional
Written record in technical log noting operational effects or limitations resulting from an aircraft defect, MEL, or deferred item.
View termConsumable telah diisi ulang
A maintenance log entry confirming replenishment of expendable items such as oil, hydraulic fluid, or oxygen.
View termdaftar penyimpangan konfigurasi
An official document specifying permissible aircraft configuration deviations that do not affect safe flight, used for dispatch with non-standard configurations.
View termDaftar Peralatan Minimum
An approved document listing the minimum equipment required for safe operation of an aircraft, permitting specified inoperative items under controlled conditions.
View termDaftar Peralatan Minimum ETOPS
The Minimum Equipment List applicable to extended-range (ETOPS) flights, specifying the minimum required equipment for oceanic and remote area operations.
View termDaftar Peralatan Minimum Operator
The MEL approved by the state of the operator, tailored to specific airline operations, listing minimum equipment required for dispatch.
View termDeviasi kompas
Error between magnetic compass indication and actual magnetic heading exceeding permissible limits; requires calibration swing.
View termDiperlukan tes fungsional
Indicates requirement for an operational or systems test to confirm correct function of a repaired or replaced item.
View termDirektif kampanye armada
Mandatory maintenance or modification order issued by the operator or manufacturer, applicable to an entire fleet.
View termDirektif kelaikan udara dicatat
Mandatory compliance record entered in technical log documenting completion of authority-issued safety directive.
View termDispatch Dengan Unit Daya Tambahan
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 termentri buku catatan
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 termEntri Pekerjaan Non-Rutin
A maintenance log entry documenting unscheduled or unexpected technical issues or discrepancies detected during aircraft operations, requiring attention beyond regular or planned maintenance.
View termGenerator tambahan tidak berfungsi
Aircraft auxiliary power unit (APU) generator not providing electrical power, requiring external source for ground operations and start.
View termInterfon tidak berfungsi
Internal crew communication system not functioning, affecting cockpit-cabin coordination and triggering MEL action.
View terminterval perbaikan
The maximum period permitted by the MEL for rectifying an inoperative item before mandatory maintenance is required.
View termitem berulang
A recurring defect or observation required to be checked, recorded, or repeated at intervals specified in the MEL or logbook.
View termItem Daftar Penyimpangan Konfigurasi
An entry in the Configuration Deviation List authorizing dispatch with specific external or configuration deviations, within specified limitations.
View termItem Daftar Penyimpangan Konfigurasi
An authorized deviation from aircraft configuration detailed in the Configuration Deviation List, permitting dispatch with specific missing or inoperative external parts.
View termitem tidak boleh terbang
An inoperative or missing item which, according to MEL or regulatory requirements, prevents the aircraft from being legally dispatched.
View termIzin penerbangan ferry
Authority granted to reposition an aircraft without revenue passengers, often under MEL limitations, to maintenance or delivery point.
View termKartu tugas selesai
Documented evidence that all steps of an assigned maintenance task card have been performed and signed off.
View termkategori 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 termkategori B
A Minimum Equipment List category requiring rectification of an inoperative item within three consecutive calendar days, excluding the day of discovery.
View termkategori C
A Minimum Equipment List category requiring rectification of an inoperative item within ten consecutive calendar days, excluding the day of discovery.
View termkategori D
A Minimum Equipment List category requiring rectification of an inoperative item within 120 consecutive calendar days, excluding the day of discovery.
View termKeausan Rem
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 termKegagalan katup anti-ice
Malfunction of wing or engine anti-ice valve preventing hot-air flow, compromising ice protection and requiring flight profile adjustment.
View termKegagalan Transponder
The aircraft’s transponder is not transmitting, impacting radar identification and requiring ATC notification and alternate procedures.
View termKontrol tindakan tertunda
Cockpit switch or placard indicating an MEL-approved deferred maintenance item that must not be activated in flight.
View termKuantitas Hidrolik Rendah
Indicates that the fluid level in a hydraulic reservoir is below the specified minimum for safe system operation.
View termKursi kru tidak berfungsi
Flight-deck seat fails to lock, adjust, or retract, potentially compromising crew safety and requiring MEL evaluation.
View termLaporan cacat awak pesawat
Written logbook entry by flight crew describing observed technical defect or malfunction requiring maintenance action.
View termlaporan cacat yang ditunda
A formal record noting a defect which has been deferred under MEL/CDL procedures, including details of rectification plan and interval.
View termLaporan kesulitan layanan
Official report filed to aviation authority documenting significant aircraft/system in-service malfunction, defect, or repeated failure.
View termLembar Pengiriman Teknis
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 termnomor kontrol
A unique identifier assigned to a deferred defect, MEL/CDL item, or maintenance entry for tracking and compliance.
View termPaket AC Tidak Berfungsi
Indicates a failure of an air-conditioning pack, possibly affecting cabin pressurization and requiring MEL compliance before dispatch.
View termPelampung keselamatan hilang
Required passenger flotation device absent from its assigned seat location, rendering that position unserviceable until replaced in accordance with the MEL.
View termPemantauan kondisi
Ongoing process of assessing system or component health through data and trend analysis to guide maintenance decisions.
View termPemeriksaan akan jatuh tempo
Notification that a scheduled inspection interval will be reached within a short time frame, requiring planning.
View termPemeriksaan di luar siklus
Maintenance inspection not aligned with normal cycle, scheduled according to special interval or condition.
View termPenalti Berat
An increase in operational weight or a reduction in allowable weight imposed due to specific inoperative equipment or configuration deviations.
View termPenalti Kinerja
A reduction in aircraft performance, such as climb, takeoff, or landing, resulting from inoperative systems or configuration deviations.
View termpenerbangan berturut-turut
A sequence of successive flights where certain MEL/CDL items may remain deferred or require repeated checks as specified.
View termPenerbangan cek perawatan
Post-maintenance air test conducted to verify aircraft performance and systems before return to commercial service.
View termPengendali tekanan kabin 1 tidak berfungsi
Primary automatic pressurization channel failed; crew managing cabin differential in manual mode per QRH procedures.
View termPenggantian komponen terjadwal
Pre-planned replacement of a part or system component at a specified interval or due time according to maintenance schedule.
View termPenggantian komponen terjadwal
Pre-planned replacement of an aircraft component at specific intervals in accordance with the maintenance schedule.
View termpenundaan
A formal process allowing a non-essential inoperative item to be left unrepaired for a specified time under MEL/CDL limits.
View termPenutup pitot terpasang
Protective pitot-tube cover still fitted, blocking dynamic-pressure input and rendering airspeed indications unreliable.
View termpenyimpangan dispatch
An authorized variation from standard aircraft configuration or equipment status, documented for legal dispatch of a flight.
View termPenyimpangan Konfigurasi
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 termPeralatan dan Perabot Tidak Esensial
Equipment and furnishings that are not required for safe operation or regulatory compliance and may be inoperative without affecting dispatch eligibility.
View termperalatan dan perabot tidak penting
Equipment or furnishings that are not essential for the airworthiness or safety of the flight and may be deferred.
View termperalatan minimum
The essential items that must be serviceable for an aircraft to be dispatched under the MEL; if not available, flight is not permitted.
View termPeralatan pernapasan pelindung hilang
Required PBE smoke-hood absent from crew station or galley, violating safety regulations until replaced.
View termPerintah rekayasa telah diterapkan
Formal modification or repair directive implemented and documented by engineering, referenced in aircraft technical records.
View termPerlu troubleshooting
Further diagnostic action needed to isolate cause of technical fault or failure not resolved by initial inspection.
View termPerpanjangan interval perbaikan
Formal approval to extend the allowable period for repair of a deferred defect beyond original MEL interval.
View termplakat
An official sign or label installed in the cockpit or cabin to indicate equipment limitations, status, or required procedures per MEL or CDL.
View termProsedur alternatif diperlukan
Standard operating sequence unavailable; crew must follow officially published alternate or contingency checklist.
View termprosedur operasional
A mandatory action or set of actions required by flight crew to safely operate an aircraft system, especially with an MEL/CDL item.
View termprosedur pemeliharaan
A required action by maintenance personnel to address an MEL/CDL item, often prerequisite for dispatch or rectification.
View termPusat kontrol perawatan
Centralized department overseeing aircraft technical status, defect clearance, and authorizing maintenance actions and MEL deferrals.
View termRadio VHF 1 Tidak Berfungsi
Primary VHF radio channel 1 is not functional, requiring use of alternate radio or backup for ATC communications.
View termReferensi bab ATA
Standardized reference number identifying aircraft system/component according to the ATA 100/2200 maintenance coding system.
View termReferensi kartu kerja
Unique identifier of a maintenance work card specifying approved procedures for inspection, repair, or modification.
View termRevisi Prosedur Sementara
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 termRilis bersertifikat untuk layanan
Formal written declaration by licensed engineer that aircraft or component is airworthy and fit for return to operation.
View termSeluncuran evakuasi tidak berfungsi
Inflatable escape slide at an aircraft door unserviceable, precluding passenger carriage until rectified or deferred per MEL.
View termSistem Antiselip Tidak Berfungsi
A condition where the antiskid braking system is not operational, requiring alternate braking procedures and possible performance penalties.
View termSpoiler Nonaktif
A system status where one or more spoiler panels are intentionally or automatically rendered inoperative for the flight.
View termStart Mesin di Udara
The procedure of starting an engine during flight, often due to engine flameout or following maintenance.
View termStatic wick hilang
Static electricity discharge wick absent from wing or control surface, potentially increasing radio interference until replaced.
View termSuku cadang menunggu pasokan
Maintenance action deferred because required replacement part is not yet available in inventory or supply chain.
View termTake-off Bleed-Off
A take-off performed with engine bleed air turned off to optimize thrust, typically when performance-limited.
View termThrust Reverser Tidak Berfungsi
The thrust reverser mechanism cannot be deployed, requiring alternative braking methods and possibly affecting landing performance.
View termtindakan korektif
The specific maintenance or operational step taken to resolve a defect, discrepancy, or deferred item as documented in the logbook or MEL.
View term