Mayday
International radiotelephony distress signal used to indicate a grave and imminent threat requiring immediate assistance.
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Emergencies
Browse Emergencies terms for pilots, air traffic controllers, cabin crew and aviation learners.
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Pan-Pan
International urgency signal indicating a situation requiring assistance but not immediately life-threatening.
View termأسطوانة إطفاء حريق المحرك
A pressurized container installed in aircraft engines used to release extinguishing agent when a fire is detected.
View termإجراء غير طبيعي
A specific set of steps followed by pilots to address system malfunctions or unusual situations not classified as emergencies.
View termإجراءات الذاكرة
A set of critical procedures that flight crew must perform from memory during certain emergencies without consulting checklists first.
View termإخلاء المقصورة
An emergency procedure where passengers and crew exit the aircraft rapidly using all available exits, typically initiated after landing or in a critical situation.
View termإدخال دفة غير مقصود
An unintentional or spontaneous rudder movement not initiated by the pilot, potentially affecting aircraft yaw stability and directional control.
View termإقلاع مرفوض
A procedure in which a take-off is intentionally aborted by the flight crew after the aircraft has started to roll but before it has lifted off the runway.
View termإنذار حريق
Automated alert indicating detection of fire or overheat in an aircraft system area, requiring immediate crew action.
View termاختطاف طائرة
The unlawful seizure of an aircraft by an individual or group, often involving threats or force, during any phase of flight.
View termاختلال توازن الوقود
A condition in which there is a significant difference in the quantity of fuel between the left and right tanks, potentially affecting aircraft stability or flight performance.
View termارتفاع حرارة النظام الهيدروليكي
A condition in which the aircraft hydraulic system exceeds its normal operating temperature limits, potentially leading to system degradation or failure.
View termاستخدام طاقم الطائرة لأقنعة الأوكسجين
The action taken by flight crew to don oxygen masks during situations such as smoke, fumes, or cabin depressurization.
View termاستخدام قارب النجاة
The procedure of deploying and utilizing inflatable life rafts by crew and passengers following a water landing, in accordance with emergency protocols.
View termاستخدام مخرج الطوارئ فوق الجناح
The operation of over-wing emergency exits by passengers or crew during evacuation procedures, usually in the case of land or water evacuations.
View termاصطدام طائر
A collision between an aircraft and one or more birds, often occurring during takeoff or landing and potentially affecting flight safety.
View termاضطراب شديد
Turbulence causing large, abrupt changes in altitude and/or attitude, usually resulting in momentary loss of control and difficulty in maintaining aircraft control.
View termالحد الأدنى للوقود
A state where an aircraft’s fuel supply has reached minimum landing level; any additional delay may lead to emergency.
View termالدخان داخل المقصورة
Presence of smoke in the passenger or flight deck cabin, indicating potential fire requiring immediate attention.
View termانحراف كامل لدفة التوجيه
A condition in which the rudder deflects fully to one side due to system failure or malfunction, potentially causing severe yaw deviation.
View termانخفاض الضغط السريع
A sudden and unexpected loss of cabin pressure, requiring immediate descent and use of supplemental oxygen.
View termانسداد منفذ الضغط الساكن
An obstruction in the static pressure port of an aircraft, leading to erroneous altitude, airspeed, and vertical speed indications, potentially affecting flight safety.
View termانطفاء كلا المحركين
A critical emergency in which both engines of an aircraft stop producing thrust due to flameout, often requiring immediate gliding and restart procedures.
View termانفجار الإطار
A condition where an aircraft tyre bursts during taxi, take-off, or landing, possibly affecting braking or steering.
View termانفصال المحرك
A catastrophic in-flight event where the engine detaches from the aircraft structure, requiring immediate emergency handling.
View termباب معدات الهبوط مفتوح
A situation where the landing gear doors remain open after gear extension or retraction, indicating a potential malfunction or aerodynamic hazard.
View termتجمد أنبوب بيتو
Ice formation in the pitot tube, which can obstruct accurate airspeed measurement, potentially leading to unreliable or erroneous cockpit indications.
View termتحذير من السقوط الهوائي
An alert that warns the pilot of an impending aerodynamic stall, usually through audible or tactile signals like a horn or stick shaker.
View termتحذير وعي التضاريس
A warning generated by aircraft systems indicating proximity to terrain that may result in controlled flight into terrain (CFIT).
View termتدخل غير قانوني
An act of unlawful seizure, threat or attack against an aircraft, its passengers, crew or ground infrastructure that endangers aviation safety.
View termتدريب على الدخان
A practiced emergency procedure used by flight or cabin crew to respond to smoke or fire in the aircraft.
View termتراكم الجليد أثناء الطيران
The buildup of ice on aircraft surfaces during flight due to supercooled water droplets freezing on contact, which can impair performance or control.
View termتسرب هواء من نظام السحب
An unintended escape of high-pressure air from the aircraft bleed air system, which may affect pressurization, anti-ice, or environmental control systems.
View termتشغيل بأجهزة جزئية
Flight conducted with limited or failed cockpit instruments, typically requiring reliance on backup or standby indicators for basic attitude, navigation, or altitude references.
View termتشغيل بالبطارية فقط
A condition where the aircraft’s electrical system is operating solely on battery power, typically due to the failure of all generators or external power sources.
View termتعطّل وحدة تكييف الهواء
An automatic or commanded shutdown of an air conditioning pack due to overtemperature, overpressure, or system fault, impacting cabin environmental control.
View termتغذية وقود متقاطعة
A procedure that allows fuel to be transferred from one tank to another, typically to correct a fuel imbalance or supply an engine when a tank is low.
View termتفتيش أمني
An official inspection of an aircraft or passengers by security personnel to ensure no security threats are present.
View termتفقد أمان المقصورة
A safety verification by cabin crew to ensure passengers are seated, seat belts fastened, cabin items stowed, and emergency equipment is ready before take-off or landing.
View termتمديد عجلات الهبوط يدوياً
The deployment of the aircraft's landing gear using a non-powered, manual backup system in the event of hydraulic or electrical failure.
View termتمرين الهبوط الاضطراري في الماء
A procedure practiced by cabin crew and passengers for emergency water landings, including life vest use, brace position, and evacuation steps.
View termتنبيه حل من نظام تجنب التصادم
An instruction issued by the aircraft's TCAS system to avoid potential collision with another aircraft, advising a vertical maneuver.
View termتنشيط هزاز عصا التحكم
The activation of a device that rapidly vibrates the control column to warn the pilot of an impending aerodynamic stall.
View termتهديد بوجود قنبلة
A reported or suspected presence of an explosive device on board an aircraft or within the airport area.
View termتوغل في المدرج
Any occurrence at an aerodrome involving the incorrect presence of an aircraft, vehicle, or person on the protected area of a surface designated for the landing and take-off of aircraft.
View termتوقف في أجهزة التحكم بالطائرة
A condition in which the aircraft's primary or secondary flight control surfaces become unresponsive or stuck due to mechanical failure or obstruction.
View termجهاز إرسال محدد موقع الطوارئ
A radio beacon automatically activated to transmit a distress signal, assisting search and rescue in locating an aircraft in distress.
View termجهاز إزالة الرجفان الخارجي التلقائي
A portable device used to deliver an electric shock to restore normal heart rhythm during sudden cardiac arrest on board.
View termحالة طبية طارئة
A critical health-related situation on board requiring immediate attention and possible diversion to the nearest suitable airport.
View termحالة طوارئ وقود
A condition where an aircraft’s fuel state is such that without immediate landing, safe completion of flight is doubtful.
View termحالة وقود منخفضة
A condition where the fuel remaining is less than planned final reserve but not yet an emergency.
View termحريق في مقصورة الشحن
A detected or suspected fire in the aircraft's cargo hold, requiring immediate fire suppression and emergency procedures.
View termحريق وحدة الطاقة المساعدة
A fire involving the auxiliary power unit, typically located in the aircraft's tail, requiring immediate shutdown and fire suppression.
View termخروج عن المدرج
An incident where an aircraft veers off or overruns the runway surface during take-off or landing.
View termدخان في حجرة الأجهزة الإلكترونية
Smoke detected in the avionics bay, indicating potential fire or overheating of electronic components, requiring immediate response and system isolation.
View termراكب غير منضبط
A passenger whose disruptive or violent behaviour interferes with the safety or order of the flight and crew instructions.
View termرمز جهاز التلقين 7700
The ATC transponder code universally set to indicate a general emergency, alerting controllers to an onboard emergency situation.
View termسخونة زائدة في المكابح
A situation in which the aircraft's braking system exceeds safe operating temperatures, potentially reducing effectiveness or causing damage.
View termسرعة جوية غير موثوقة
A condition where the airspeed readings provided by the pitot-static system are incorrect or inconsistent, potentially leading to hazardous flight control inputs.
View termضربة الذيل
An incident in which the tail of the aircraft contacts the runway surface during take-off or landing due to excessive pitch attitude.
View termضربة برق
A direct or indirect electrical discharge from the atmosphere to an aircraft, potentially causing damage to avionics, surfaces, or structural systems.
View termعدة الإسعافات الأولية
A collection of supplies and equipment for use in giving first aid in case of minor injuries or medical needs onboard.
View termعطل المحرك
A condition where one or more aircraft engines cease to provide thrust, requiring immediate emergency procedures.
View termعطل في النظام الهيدروليكي
A malfunction in the aircraft's hydraulic system, potentially affecting control surfaces, landing gear, or brakes.
View termعطل في صمام مدخل الهواء الديناميكي
A malfunction where the ram air inlet door fails to open or close properly, affecting ventilation and cooling of avionics or cabin systems.
View termعطل في معدات الهبوط
A failure in the aircraft's landing gear system preventing proper extension or retraction.
View termفشل مزدوج في المحرك
A critical emergency situation where both engines of a multi-engine aircraft cease functioning in flight.
View termفقدان الضغط
A condition in which an aircraft's cabin fails to maintain the required pressure differential compared to the outside atmosphere.
View termفقدان ضغط المقصورة
A sudden or gradual loss of cabin pressure, requiring immediate response such as emergency descent and oxygen use.
View termفقدان مزدوج لنظام الهيدروليك
A simultaneous failure of two independent hydraulic systems on an aircraft, significantly degrading control and operational capability.
View termقائمة التحقق الحرجة زمنياً
A checklist containing emergency procedures that must be executed immediately to prevent loss of control or further danger.
View termقائمة التحقق من الحالات غير الطبيعية
A predefined checklist used by pilots to address abnormal but not emergency situations.
View termكتيب المرجع السريع
A cockpit manual containing condensed checklists and procedures for abnormal and emergency situations.
View termكشف الدخان في دورة المياه
An alert triggered by smoke sensors in the aircraft lavatory indicating possible fire, requiring immediate cabin crew and cockpit response.
View termمدخل هواء الدفع الديناميكي
An air intake system that uses forward motion of the aircraft to force external air into ducts for ventilation or pressurization.
View termمنارة تحديد موقع الطوارئ
A portable beacon transmitting a distress signal for search and rescue, sometimes used interchangeably with ELT in aviation.
View termمناورة الهروب من قص الرياح
A predefined and trained maneuver to escape from windshear conditions during takeoff or landing.
View termنشر أقنعة الأوكسجين للركاب
The automatic or manual release of oxygen masks for passengers in response to cabin depressurization or smoke.
View termنشر مزلق الطوارئ
The act of activating and extending the inflatable escape slide on an aircraft to facilitate emergency evacuation.
View termنظام الأجهزة الاحتياطية
An independent set of basic flight instruments that provide critical information in case of primary display failure.
View termنظام التحكم البديل
A degraded mode in fly-by-wire aircraft providing limited flight envelope protections, used when normal law is lost due to system faults.
View termنظام التحكم المباشر
A degraded flight control mode in fly-by-wire aircraft where control surfaces respond directly to pilot input without flight envelope protection.
View termنظام التحكم غير الطبيعي
A rare fallback flight control law in fly-by-wire aircraft used under severe system failures where no flight envelope protections are available and handling characteristics are degraded.
View termنظام تحذير القرب من الأرض
An onboard system that alerts pilots if the aircraft is in immediate danger of flying into the ground or an obstacle.
View termنظام فرامل احتياطي
A backup braking system used when the primary brake system fails or becomes unavailable.
View termهبوط اضطراري على الماء
The controlled emergency landing of an aircraft on water.
View termهبوط طارئ
A rapid descent initiated by flight crew in response to a pressurization failure, smoke, or other onboard emergency.
View termهبوط على الماء
An intentional or emergency landing of an aircraft on a body of water due to operational necessity or system failure.
View termوضعية الحماية
A body position adopted by passengers and crew to minimize injury during an imminent impact or emergency landing, as per operator instructions.
View term