Alternate exit
A secondary or backup emergency exit designated for use when a primary exit is unusable during evacuation.
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Cabin Safety
Browse Cabin Safety terms for pilots, air traffic controllers, cabin crew and aviation learners.
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Assist handle
A fixed handhold installed near exits or on evacuation slides to aid crew and passengers in maintaining balance or facilitating movement during boarding, evacuation, or emergencies.
View termAutomated external defibrillator
A portable device that analyzes cardiac rhythm and delivers electrical shocks to restore normal heart rhythm during cardiac arrest.
View termBlocked exit
An emergency exit or cabin door that cannot be used for evacuation due to obstruction, damage, or outside hazards.
View termCabin ready
A standardized phrase indicating that the cabin has been fully prepared for takeoff, landing, or other specified phase of flight as per procedures.
View termCabin secure
A procedural phrase indicating that all passengers are seated, seatbelts fastened, and the cabin is safe for taxi, takeoff, or landing.
View termChemical oxygen generator
A device that produces oxygen through a chemical reaction, typically used to supply emergency oxygen to passengers via drop-down masks in commercial aircraft.
View termChild Restraint Device
FAA/ICAO-approved seat or harness securing children under two for taxi, take-off, turbulence and landing.
View termCrash axe
A robust, sharp-edged hand tool stowed in the cockpit, intended for emergency access, fire-fighting, or egress during evacuation or rescue.
View termCrash position
A prescribed body posture adopted by crew and passengers to maximize survivability in the event of an imminent impact or forced landing.
View termCrew Life Vest
High-visibility life jacket with water-activated light issued to each cabin and flight crew member.
View termCrew restraint
Any safety device, including harness or lap belt, designed to secure flight or cabin crew members in their seats during critical phases of flight and turbulence.
View termCrowd control
The actions taken by crew to maintain order, direct movement, and prevent bottlenecks during emergency evacuations or abnormal situations.
View termDay‑night flare
A pyrotechnic signaling device that can be used in both daylight and darkness, included in survival kits for attracting the attention of rescuers.
View termDoor status
The operational state of aircraft doors, including whether they are armed, disarmed, open, closed, locked, or unlocked, as required for each phase of flight.
View termDual-lane slide
Evacuation slide designed with two parallel lanes to expedite passenger egress on wide-body aircraft exits.
View termELT arming
The procedure of setting the emergency locator transmitter (ELT) to an armed state, ready to activate automatically upon impact or significant deceleration.
View termEmergency exit
Any aircraft door, hatch or window designated for passenger evacuation in an emergency situation.
View termEmergency locator transmitter
A radio beacon that transmits a distress signal to aid search and rescue teams in locating an aircraft in distress or after a crash.
View termEmergency Medical Kit
Sealed on-board kit containing prescription drugs and advanced medical supplies, used in-flight by qualified personnel for serious medical events.
View termEmergency Water Pack
Sealed potable water container included in life-raft survival kit to supply drinking water for occupants in distress.
View termEscape Rope
Heavy-duty rope stowed above cockpit side windows, used for crew self-evacuation when slides unusable.
View termEvacuation command
A clear, standardized verbal instruction given by crew to passengers to initiate a rapid and orderly evacuation in an emergency.
View termFire Containment Bag
High-temperature-resistant bag used on board to isolate and contain lithium battery or PED fires until landing.
View termFire gloves
Specialized protective gloves provided to crew members for handling hot, burning, or smoldering objects during fire emergencies on board.
View termFirst aid kit
A container holding medical supplies and equipment for treatment of minor injuries or illnesses during flight.
View termFixed oxygen
A permanently installed aircraft oxygen supply system, providing breathable oxygen to designated cabin or cockpit outlets for crew and passengers, usually used in pressurization loss or emergency scenarios.
View termFlashlight
A battery-powered portable light source provided to crew members to assist in emergency evacuations, inspections, or operations in darkness.
View termFlight attendant restraint kit
A kit containing handcuffs, tape, and straps for restraining disruptive passengers in accordance with FAA or EASA procedures.
View termGalley secure
A phrase indicating that all galley equipment, carts, and supplies are properly stowed and locked for safe taxi, takeoff, or landing.
View termGirt bar
Metal bar at the base of the slide pack that secures the slide to the aircraft floor when armed or disengages it when disarmed.
View termHalon extinguisher
A fire extinguisher charged with halon gas, used for rapid suppression of onboard electrical and flammable liquid fires.
View termHarness
A system of webbing straps used to secure a flight crew member, typically including shoulder and lap belts, to their seat during critical flight phases.
View termHeaving Line
Light rope fitted with weighted end carried in life-rafts to establish first connection with rescue vessel.
View termHypothermia blanket
A thermal or space blanket included in survival kits to prevent loss of body heat and treat hypothermia in survivors exposed to cold environments.
View termInfant belt
Supplementary loop belt that attaches an infant to an adult’s seat belt during taxi, take-off, landing and turbulence.
View termInfant Life Vest
Life-jacket sized for infants under 18 kg, equipped with head support, light and tether for water evacuation.
View termLavatory smoke
The detection or presence of smoke within an aircraft lavatory, indicating a possible fire hazard and requiring immediate crew response.
View termLife Line
Webbing strap secured to over-wing exits, providing hand-hold for passengers evacuating onto wing during ditching.
View termLife vest
Personal flotation device provided to each occupant for use during water ditching or sea evacuation.
View termManual Inflation Handle
Red-coloured T-handle fitted to an escape slide or life-raft. Pulling it opens the gas cylinder to inflate the raft manually.
View termManual Release Tool
Hand-held lever used to mechanically disengage an escape slide or raft from the aircraft door during evacuation or maintenance.
View termMegaphone
A battery-powered portable loudspeaker used by crew to issue commands and instructions during evacuation or inoperative PA conditions.
View termOverwing exit
Type-III emergency exit situated above the wing, used by able-bodied passengers to evacuate directly onto the wing surface.
View termOxygen bottle
A portable or fixed cylinder of pressurized oxygen for supplemental breathing in decompression, smoke, or medical events.
View termOxygen drop-out
Automatic deployment of oxygen masks to passengers and crew in the event of a sudden loss of cabin pressure.
View termPassenger brace
Command for passengers to adopt the brace position to minimise injury risk during hard landing or severe turbulence.
View termPortable oxygen
A movable oxygen supply unit provided on board aircraft for use by crew or passengers in case of medical need or cabin depressurization.
View termProtective breathing equipment
A certified, self-contained smoke hood that provides crew with filtered air for a limited time in the presence of smoke or toxic fumes.
View termRaft pack
A compact package containing the liferaft and emergency equipment required for survival after ditching, stowed on board aircraft for use in overwater flights.
View termRestraint kit
A set of approved equipment provided to cabin crew for the physical restraint of an unruly or dangerous passenger to ensure safety and security on board.
View termSafety card
Printed passenger safety-instruction card found in every seat pocket, showing required actions and equipment use in an emergency.
View termSafety Demonstration Kit
Standardised set of visual aids and demo seat-belt used by cabin crew to brief passengers on emergency equipment and procedures before every flight.
View termSea Dye Marker
Bright fluorescent dye packet released into water to create high-contrast slick, aiding aerial visual location of survivors.
View termSeat belt
Primary restraint harness securing an aircraft occupant during all phases of flight and turbulence.
View termSeat-Belt Cutter
Knife-type tool with guarded blade carried in cockpit or cabin to sever jammed seat-belts during emergency evacuation or rescue.
View termSeat-Belt Extender
Certified strap and buckle section that lengthens a passenger seat belt when required for fit or special needs.
View termSecurity ties
Approved plastic or textile ties used by the crew to restrain passengers or secure items for safety or security purposes during flight.
View termService door
A designated aircraft door used primarily for catering, cleaning, or maintenance services, not intended for passenger use except in emergencies.
View termSignal mirror
A reflective device included in survival kits, used to attract attention and signal rescue aircraft or ships in daylight conditions.
View termSignal Smoke
Hand-held maritime flare producing coloured smoke during daylight to signal distress location to aircraft or vessels.
View termSlide deployment
Activation of an inflatable evacuation slide from an aircraft door to enable rapid passenger egress.
View termSlide pressure
Gauge-indicated reservoir pressure that confirms an emergency evacuation slide is sufficiently charged for rapid inflation.
View termSlide raft
Inflatable evacuation slide that converts to a life-raft for ditching or over-water evacuation.
View termSlides disarmed
The condition in which the emergency evacuation slides are disengaged from automatic deployment, typically after arrival or when opening doors normally.
View termSmoke detector
An electronic device installed in aircraft compartments, especially lavatories and cargo, to detect smoke and trigger an alarm for immediate crew action.
View termSmoke hood
A self-contained hood providing filtered air to crew in smoke or fume-filled environments; enables safe intervention in cabin or cockpit fires.
View termSpare masks
Additional oxygen masks stored onboard to supplement the fixed oxygen system for crew or passenger use.
View termSurvival beacon
A portable transmitter emitting distress signals to assist search and rescue teams in locating survivors after a forced landing or ditching.
View termSurvival kit
A set of equipment carried on board aircraft and liferafts to provide basic survival supplies such as food, water, and signaling devices in case of emergency landing or ditching.
View termSurvival Rations Pack
Pre-sealed emergency food package stowed in life-rafts providing high-energy biscuits and vitamin tablets for post-ditching survival.
View termSurvival Strobe Light
Battery-powered high-intensity flashing beacon attached to life-vest or raft to enhance night-time visibility for rescuers.
View termThermal Protective Aid
Insulated suit or bag carried in life-rafts to reduce hypothermia risk for survivors awaiting rescue in cold seas.
View termUniversal Precaution Kit
On-board kit with gloves, masks and absorbent agents for safe cleanup of blood or body-fluid spills.
View termWater extinguisher
A portable fire extinguisher filled with water, intended for use on class A (solid material) fires onboard an aircraft.
View termWhistle
A small signaling device, often attached to lifejackets, used by survivors to attract attention in rescue situations.
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