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 termАварийная посадка на воду
The controlled emergency landing of an aircraft on water.
View termАварийная ситуация с топливом
A condition where an aircraft’s fuel state is such that without immediate landing, safe completion of flight is doubtful.
View termАварийное снижение
A rapid descent initiated by flight crew in response to a pressurization failure, smoke, or other onboard emergency.
View termАварийный радиомаяк
A radio beacon automatically activated to transmit a distress signal, assisting search and rescue in locating an aircraft in distress.
View termАварийный радиомаяк
A portable beacon transmitting a distress signal for search and rescue, sometimes used interchangeably with ELT in aviation.
View termАварийный Режим Управления
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 termАвтоматический внешний дефибриллятор
A portable device used to deliver an electric shock to restore normal heart rhythm during sudden cardiac arrest on board.
View termАльтернативная тормозная система
A backup braking system used when the primary brake system fails or becomes unavailable.
View termАльтернативный Режим Управления
A degraded mode in fly-by-wire aircraft providing limited flight envelope protections, used when normal law is lost due to system faults.
View termАномальная процедура
A specific set of steps followed by pilots to address system malfunctions or unusual situations not classified as emergencies.
View termАптечка первой помощи
A collection of supplies and equipment for use in giving first aid in case of minor injuries or medical needs onboard.
View termБаллон для тушения пожара двигателя
A pressurized container installed in aircraft engines used to release extinguishing agent when a fire is detected.
View termБыстрая декомпрессия
A sudden and unexpected loss of cabin pressure, requiring immediate descent and use of supplemental oxygen.
View termВоздухозаборник набегающего потока
An air intake system that uses forward motion of the aircraft to force external air into ducts for ventilation or pressurization.
View termВыход за пределы ВПП
An incident where an aircraft veers off or overruns the runway surface during take-off or landing.
View termДисбаланс Топлива
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 termДым в кабине
Presence of smoke in the passenger or flight deck cabin, indicating potential fire requiring immediate attention.
View termДым В Отсеке Авионики
Smoke detected in the avionics bay, indicating potential fire or overheating of electronic components, requiring immediate response and system isolation.
View termЗаклинивание рулевых поверхностей
A condition in which the aircraft's primary or secondary flight control surfaces become unresponsive or stuck due to mechanical failure or obstruction.
View termЗасорение Статического Порта
An obstruction in the static pressure port of an aircraft, leading to erroneous altitude, airspeed, and vertical speed indications, potentially affecting flight safety.
View termЗащитная Поза
A body position adopted by passengers and crew to minimize injury during an imminent impact or emergency landing, as per operator instructions.
View termИспользование кислородной маски экипажем
The action taken by flight crew to don oxygen masks during situations such as smoke, fumes, or cabin depressurization.
View termИспользование Крыльевого Выхода
The operation of over-wing emergency exits by passengers or crew during evacuation procedures, usually in the case of land or water evacuations.
View termИспользование Спасательного Плота
The procedure of deploying and utilizing inflatable life rafts by crew and passengers following a water landing, in accordance with emergency protocols.
View termКод транспондера 7700
The ATC transponder code universally set to indicate a general emergency, alerting controllers to an onboard emergency situation.
View termКонтроль безопасности
An official inspection of an aircraft or passengers by security personnel to ensure no security threats are present.
View termКраткое руководство
A cockpit manual containing condensed checklists and procedures for abnormal and emergency situations.
View termКритическая по времени контрольная карта
A checklist containing emergency procedures that must be executed immediately to prevent loss of control or further danger.
View termМанёвр ухода от сдвига ветра
A predefined and trained maneuver to escape from windshear conditions during takeoff or landing.
View termМедицинская чрезвычайная ситуация
A critical health-related situation on board requiring immediate attention and possible diversion to the nearest suitable airport.
View termМинимальный запас топлива
A state where an aircraft’s fuel supply has reached minimum landing level; any additional delay may lead to emergency.
View termНарушающий порядок пассажир
A passenger whose disruptive or violent behaviour interferes with the safety or order of the flight and crew instructions.
View termНедостоверная Приборная Скорость
A condition where the airspeed readings provided by the pitot-static system are incorrect or inconsistent, potentially leading to hazardous flight control inputs.
View termНезаконное вмешательство
An act of unlawful seizure, threat or attack against an aircraft, its passengers, crew or ground infrastructure that endangers aviation safety.
View termНеисправность шасси
A failure in the aircraft's landing gear system preventing proper extension or retraction.
View termНепроизвольный Ввод Руля Направления
An unintentional or spontaneous rudder movement not initiated by the pilot, potentially affecting aircraft yaw stability and directional control.
View termНизкий уровень топлива
A condition where the fuel remaining is less than planned final reserve but not yet an emergency.
View termОбледенение В Полёте
The buildup of ice on aircraft surfaces during flight due to supercooled water droplets freezing on contact, which can impair performance or control.
View termОбледенение Трубки Пито
Ice formation in the pitot tube, which can obstruct accurate airspeed measurement, potentially leading to unreliable or erroneous cockpit indications.
View termОбнаружение Дыма В Туалете
An alert triggered by smoke sensors in the aircraft lavatory indicating possible fire, requiring immediate cabin crew and cockpit response.
View termОдновременный отказ двух гидросистем
A simultaneous failure of two independent hydraulic systems on an aircraft, significantly degrading control and operational capability.
View termОтделение двигателя
A catastrophic in-flight event where the engine detaches from the aircraft structure, requiring immediate emergency handling.
View termОтказ гидравлической системы
A malfunction in the aircraft's hydraulic system, potentially affecting control surfaces, landing gear, or brakes.
View termОтказ двигателя
A condition where one or more aircraft engines cease to provide thrust, requiring immediate emergency procedures.
View termОтказ двух двигателей
A critical emergency in which both engines of an aircraft stop producing thrust due to flameout, often requiring immediate gliding and restart procedures.
View termОтказ двух двигателей
A critical emergency situation where both engines of a multi-engine aircraft cease functioning in flight.
View termОтказ Клапана Впуска Воздуха
A malfunction where the ram air inlet door fails to open or close properly, affecting ventilation and cooling of avionics or cabin systems.
View termОтключение Кондиционерного Пакета
An automatic or commanded shutdown of an air conditioning pack due to overtemperature, overpressure, or system fault, impacting cabin environmental control.
View termОткрыт люк шасси
A situation where the landing gear doors remain open after gear extension or retraction, indicating a potential malfunction or aerodynamic hazard.
View termПерегрев гидросистемы
A condition in which the aircraft hydraulic system exceeds its normal operating temperature limits, potentially leading to system degradation or failure.
View termПерегрев тормозов
A situation in which the aircraft's braking system exceeds safe operating temperatures, potentially reducing effectiveness or causing damage.
View termПерекачка Топлива Между Бачками
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 termПитание Только От Аккумулятора
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 termПожар в грузовом отсеке
A detected or suspected fire in the aircraft's cargo hold, requiring immediate fire suppression and emergency procedures.
View termПожар вспомогательной силовой установки
A fire involving the auxiliary power unit, typically located in the aircraft's tail, requiring immediate shutdown and fire suppression.
View termПожарное предупреждение
Automated alert indicating detection of fire or overheat in an aircraft system area, requiring immediate crew action.
View termПолное Отклонение Руля Направления
A condition in which the rudder deflects fully to one side due to system failure or malfunction, potentially causing severe yaw deviation.
View termПолёт С Частичным Отказом Приборов
Flight conducted with limited or failed cockpit instruments, typically requiring reliance on backup or standby indicators for basic attitude, navigation, or altitude references.
View termПотеря Герметизации
A condition in which an aircraft's cabin fails to maintain the required pressure differential compared to the outside atmosphere.
View termПредупреждение о близости к земле
A warning generated by aircraft systems indicating proximity to terrain that may result in controlled flight into terrain (CFIT).
View termПредупреждение о Сваливании
An alert that warns the pilot of an impending aerodynamic stall, usually through audible or tactile signals like a horn or stick shaker.
View termПрерванный Взлёт
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 termПриводнение
An intentional or emergency landing of an aircraft on a body of water due to operational necessity or system failure.
View termПроверка Безопасности Кабины
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 termПроникновение на ВПП
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 termПроцедуры по памяти
A set of critical procedures that flight crew must perform from memory during certain emergencies without consulting checklists first.
View termРазвертывание Аварийного Трапа
The act of activating and extending the inflatable escape slide on an aircraft to facilitate emergency evacuation.
View termРазгерметизация кабины
A sudden or gradual loss of cabin pressure, requiring immediate response such as emergency descent and oxygen use.
View termРазрыв шины
A condition where an aircraft tyre bursts during taxi, take-off, or landing, possibly affecting braking or steering.
View termРежим Прямого Управления
A degraded flight control mode in fly-by-wire aircraft where control surfaces respond directly to pilot input without flight envelope protection.
View termРезервная система приборов
An independent set of basic flight instruments that provide critical information in case of primary display failure.
View termРекомендация TCAS
An instruction issued by the aircraft's TCAS system to avoid potential collision with another aircraft, advising a vertical maneuver.
View termРучной выпуск шасси
The deployment of the aircraft's landing gear using a non-powered, manual backup system in the event of hydraulic or electrical failure.
View termСильная Турбулентность
Turbulence causing large, abrupt changes in altitude and/or attitude, usually resulting in momentary loss of control and difficulty in maintaining aircraft control.
View termСистема предупреждения о сближении с землей
An onboard system that alerts pilots if the aircraft is in immediate danger of flying into the ground or an obstacle.
View termСрабатывание Вибратора Штурвала
The activation of a device that rapidly vibrates the control column to warn the pilot of an impending aerodynamic stall.
View termСрабатывание кислородных масок для пассажиров
The automatic or manual release of oxygen masks for passengers in response to cabin depressurization or smoke.
View termСтолкновение с птицей
A collision between an aircraft and one or more birds, often occurring during takeoff or landing and potentially affecting flight safety.
View termУгон самолёта
The unlawful seizure of an aircraft by an individual or group, often involving threats or force, during any phase of flight.
View termУгроза взрыва
A reported or suspected presence of an explosive device on board an aircraft or within the airport area.
View termУдар Молнии
A direct or indirect electrical discharge from the atmosphere to an aircraft, potentially causing damage to avionics, surfaces, or structural systems.
View termУдар Хвостовой Части
An incident in which the tail of the aircraft contacts the runway surface during take-off or landing due to excessive pitch attitude.
View termУтечка Отборного Воздуха
An unintended escape of high-pressure air from the aircraft bleed air system, which may affect pressurization, anti-ice, or environmental control systems.
View termУчебная Тренировка По Приводнению
A procedure practiced by cabin crew and passengers for emergency water landings, including life vest use, brace position, and evacuation steps.
View termУчение по задымлению
A practiced emergency procedure used by flight or cabin crew to respond to smoke or fire in the aircraft.
View termЧек-лист нештатных ситуаций
A predefined checklist used by pilots to address abnormal but not emergency situations.
View termЭвакуация из салона
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 term