Abnormales Verfahren
A specific set of steps followed by pilots to address system malfunctions or unusual situations not classified as emergencies.
View termCategories
Emergencies
Browse Emergencies terms for pilots, air traffic controllers, cabin crew and aviation learners.
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Abnormes Steuergesetz
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 termAbschaltung Der Klimaanlage
An automatic or commanded shutdown of an air conditioning pack due to overtemperature, overpressure, or system fault, impacting cabin environmental control.
View termAktivierung des Steuerknüppelrüttlers
The activation of a device that rapidly vibrates the control column to warn the pilot of an impending aerodynamic stall.
View termAlternatives Bremssystem
A backup braking system used when the primary brake system fails or becomes unavailable.
View termAlternatives Steuergesetz
A degraded mode in fly-by-wire aircraft providing limited flight envelope protections, used when normal law is lost due to system faults.
View termAusfall beider Hydrauliksysteme
A simultaneous failure of two independent hydraulic systems on an aircraft, significantly degrading control and operational capability.
View termAuslösung Der Notrutsche
The act of activating and extending the inflatable escape slide on an aircraft to facilitate emergency evacuation.
View termAuslösung der Passagier-Sauerstoffmasken
The automatic or manual release of oxygen masks for passengers in response to cabin depressurization or smoke.
View termAuswendig gelernte Verfahren
A set of critical procedures that flight crew must perform from memory during certain emergencies without consulting checklists first.
View termAutomatisierter externer Defibrillator
A portable device used to deliver an electric shock to restore normal heart rhythm during sudden cardiac arrest on board.
View termBeidseitiger Triebwerksausfall
A critical emergency in which both engines of an aircraft stop producing thrust due to flameout, often requiring immediate gliding and restart procedures.
View termBlitzeinschlag
A direct or indirect electrical discharge from the atmosphere to an aircraft, potentially causing damage to avionics, surfaces, or structural systems.
View termBlockierung der Flugsteuerung
A condition in which the aircraft's primary or secondary flight control surfaces become unresponsive or stuck due to mechanical failure or obstruction.
View termBodenannäherungs-Warnsystem
An onboard system that alerts pilots if the aircraft is in immediate danger of flying into the ground or an obstacle.
View termBombendrohung
A reported or suspected presence of an explosive device on board an aircraft or within the airport area.
View termBrand im Frachtraum
A detected or suspected fire in the aircraft's cargo hold, requiring immediate fire suppression and emergency procedures.
View termBrand im Hilfstriebwerk
A fire involving the auxiliary power unit, typically located in the aircraft's tail, requiring immediate shutdown and fire suppression.
View termBrandwarnung
Automated alert indicating detection of fire or overheat in an aircraft system area, requiring immediate crew action.
View termBremsenüberhitzung
A situation in which the aircraft's braking system exceeds safe operating temperatures, potentially reducing effectiveness or causing damage.
View termCheckliste für unnormale Verfahren
A predefined checklist used by pilots to address abnormal but not emergency situations.
View termDirektes Steuergesetz
A degraded flight control mode in fly-by-wire aircraft where control surfaces respond directly to pilot input without flight envelope protection.
View termDoppelter Triebwerksausfall
A critical emergency situation where both engines of a multi-engine aircraft cease functioning in flight.
View termDruckverlust in der Kabine
A condition in which an aircraft's cabin fails to maintain the required pressure differential compared to the outside atmosphere.
View termEisbildung Im Flug
The buildup of ice on aircraft surfaces during flight due to supercooled water droplets freezing on contact, which can impair performance or control.
View termErsatzinstrumentensystem
An independent set of basic flight instruments that provide critical information in case of primary display failure.
View termErste-Hilfe-Kasten
A collection of supplies and equipment for use in giving first aid in case of minor injuries or medical needs onboard.
View termFahrwerksklappe Offen
A situation where the landing gear doors remain open after gear extension or retraction, indicating a potential malfunction or aerodynamic hazard.
View termFahrwerksstörung
A failure in the aircraft's landing gear system preventing proper extension or retraction.
View termFlug Mit Eingeschränkter Instrumentierung
Flight conducted with limited or failed cockpit instruments, typically requiring reliance on backup or standby indicators for basic attitude, navigation, or altitude references.
View termFlugzeugentführung
The unlawful seizure of an aircraft by an individual or group, often involving threats or force, during any phase of flight.
View termGelände-Warnung
A warning generated by aircraft systems indicating proximity to terrain that may result in controlled flight into terrain (CFIT).
View termHeckaufsetzer
An incident in which the tail of the aircraft contacts the runway surface during take-off or landing due to excessive pitch attitude.
View termHydrauliksystemausfall
A malfunction in the aircraft's hydraulic system, potentially affecting control surfaces, landing gear, or brakes.
View termHydrauliküberhitzung
A condition in which the aircraft hydraulic system exceeds its normal operating temperature limits, potentially leading to system degradation or failure.
View termKabinen-Dekompression
A sudden or gradual loss of cabin pressure, requiring immediate response such as emergency descent and oxygen use.
View termKabinen-Sicherheitskontrolle
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 termKabinenrauch
Presence of smoke in the passenger or flight deck cabin, indicating potential fire requiring immediate attention.
View termKabinenräumung
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 termKraftstoff-Querförderung
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 termKraftstoffungleichgewicht
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 termLöschflasche für Triebwerksbrand
A pressurized container installed in aircraft engines used to release extinguishing agent when a fire is detected.
View termManuelles Ausfahren des Fahrwerks
The deployment of the aircraft's landing gear using a non-powered, manual backup system in the event of hydraulic or electrical failure.
View termMayday
International radiotelephony distress signal used to indicate a grave and imminent threat requiring immediate assistance.
View termMedizinischer Notfall
A critical health-related situation on board requiring immediate attention and possible diversion to the nearest suitable airport.
View termMindesttreibstoff
A state where an aircraft’s fuel supply has reached minimum landing level; any additional delay may lead to emergency.
View termNiedriger Treibstoffvorrat
A condition where the fuel remaining is less than planned final reserve but not yet an emergency.
View termNotabstieg
A rapid descent initiated by flight crew in response to a pressurization failure, smoke, or other onboard emergency.
View termNotfunkbake
A radio beacon automatically activated to transmit a distress signal, assisting search and rescue in locating an aircraft in distress.
View termNotfunkbake
A portable beacon transmitting a distress signal for search and rescue, sometimes used interchangeably with ELT in aviation.
View termNotwasserung
The controlled emergency landing of an aircraft on water.
View termNotwasserungsübung
A procedure practiced by cabin crew and passengers for emergency water landings, including life vest use, brace position, and evacuation steps.
View termNur-Batteriebetrieb
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 termNutzung Des Flügelausstiegs
The operation of over-wing emergency exits by passengers or crew during evacuation procedures, usually in the case of land or water evacuations.
View termPan-Pan
International urgency signal indicating a situation requiring assistance but not immediately life-threatening.
View termPistenabkommen
An incident where an aircraft veers off or overruns the runway surface during take-off or landing.
View termPitotrohrvereisung
Ice formation in the pitot tube, which can obstruct accurate airspeed measurement, potentially leading to unreliable or erroneous cockpit indications.
View termRauch In Der Avionik-Bucht
Smoke detected in the avionics bay, indicating potential fire or overheating of electronic components, requiring immediate response and system isolation.
View termRaucherkennung In Der Bordtoilette
An alert triggered by smoke sensors in the aircraft lavatory indicating possible fire, requiring immediate cabin crew and cockpit response.
View termRauchübung
A practiced emergency procedure used by flight or cabin crew to respond to smoke or fire in the aircraft.
View termReifenplatzer
A condition where an aircraft tyre bursts during taxi, take-off, or landing, possibly affecting braking or steering.
View termRunway-Inkursion
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 termSchneller Druckabfall
A sudden and unexpected loss of cabin pressure, requiring immediate descent and use of supplemental oxygen.
View termSchnellreferenzhandbuch
A cockpit manual containing condensed checklists and procedures for abnormal and emergency situations.
View termSchutzposition
A body position adopted by passengers and crew to minimize injury during an imminent impact or emergency landing, as per operator instructions.
View termSicherheitskontrolle
An official inspection of an aircraft or passengers by security personnel to ensure no security threats are present.
View termStarke Turbulenz
Turbulence causing large, abrupt changes in altitude and/or attitude, usually resulting in momentary loss of control and difficulty in maintaining aircraft control.
View termStartabbruch
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 termStaudrucklufteinlass
An air intake system that uses forward motion of the aircraft to force external air into ducts for ventilation or pressurization.
View termStrömungsabriss-Warnung
An alert that warns the pilot of an impending aerodynamic stall, usually through audible or tactile signals like a horn or stick shaker.
View termStörung Der Ramluft-Einlassklappe
A malfunction where the ram air inlet door fails to open or close properly, affecting ventilation and cooling of avionics or cabin systems.
View termTCAS-Resolution Advisory
An instruction issued by the aircraft's TCAS system to avoid potential collision with another aircraft, advising a vertical maneuver.
View termTranspondercode 7700
The ATC transponder code universally set to indicate a general emergency, alerting controllers to an onboard emergency situation.
View termTreibstoff‑Notfall
A condition where an aircraft’s fuel state is such that without immediate landing, safe completion of flight is doubtful.
View termTriebwerksabtrennung
A catastrophic in-flight event where the engine detaches from the aircraft structure, requiring immediate emergency handling.
View termTriebwerksausfall
A condition where one or more aircraft engines cease to provide thrust, requiring immediate emergency procedures.
View termUnbeabsichtigte Seitenruderbewegung
An unintentional or spontaneous rudder movement not initiated by the pilot, potentially affecting aircraft yaw stability and directional control.
View termUnrechtmäßige Einwirkung
An act of unlawful seizure, threat or attack against an aircraft, its passengers, crew or ground infrastructure that endangers aviation safety.
View termUnruly-Passagier
A passenger whose disruptive or violent behaviour interferes with the safety or order of the flight and crew instructions.
View termUnzuverlässige Fluggeschwindigkeit
A condition where the airspeed readings provided by the pitot-static system are incorrect or inconsistent, potentially leading to hazardous flight control inputs.
View termVerstopfung Der Statischen Drucköffnung
An obstruction in the static pressure port of an aircraft, leading to erroneous altitude, airspeed, and vertical speed indications, potentially affecting flight safety.
View termVerwendung der Sauerstoffmaske durch die Besatzung
The action taken by flight crew to don oxygen masks during situations such as smoke, fumes, or cabin depressurization.
View termVerwendung Des Rettungsfloßes
The procedure of deploying and utilizing inflatable life rafts by crew and passengers following a water landing, in accordance with emergency protocols.
View termVogelschlag
A collision between an aircraft and one or more birds, often occurring during takeoff or landing and potentially affecting flight safety.
View termVolle Seitenruderausschlag
A condition in which the rudder deflects fully to one side due to system failure or malfunction, potentially causing severe yaw deviation.
View termWasserlandung
An intentional or emergency landing of an aircraft on a body of water due to operational necessity or system failure.
View termWindscherfluchtmanöver
A predefined and trained maneuver to escape from windshear conditions during takeoff or landing.
View termZapfluftleck
An unintended escape of high-pressure air from the aircraft bleed air system, which may affect pressurization, anti-ice, or environmental control systems.
View termZeitkritische Checkliste
A checklist containing emergency procedures that must be executed immediately to prevent loss of control or further danger.
View term