Airline procedures regarding airplane window shades, whether to open or close them, can often cause confusion for passengers. However, these directives are rooted in safety and comfort considerations, particularly during critical phases of flight like takeoff and landing.
Safety During Takeoff and Landing
Keeping window shades open during takeoff and landing is considered an industry best practice and is required by many airline operating procedures for safety reasons. These critical phases of flight account for a significant portion of aviation accidents. Open shades allow flight attendants and passengers to quickly assess outside conditions for potential hazards such as fire, smoke, debris, or water.
In the event of an emergency, visibility is paramount. Flight attendants are trained to use passenger windows to evaluate external conditions before deciding on evacuation routes. For example, they can check for engine fires or leaks. If a particular exit is compromised by external hazards, the crew can block it and redirect passengers.
Furthermore, open window shades help passengers' eyes adjust more quickly to natural light conditions in an emergency, especially during nighttime evacuations. This immediate adaptation can prevent injuries from disorientation or obstacles during an evacuation. Cabin lighting is often dimmed or brightened to match external conditions, further aiding this adjustment.
Passengers as an Extension of Safety Systems
Passengers can play a vital role in aviation safety by acting as extra eyes on the exterior of the aircraft. They may spot abnormalities like smoke or fuel leaks before instruments register them, especially during takeoff and landing when crew members' attention is focused elsewhere. This passenger observation contributes to the aircraft's overall situational awareness.
Open shades also assist emergency responders on the ground. They can more readily assess conditions inside the cabin, such as identifying smoke, fire, or injured passengers, enabling a quicker response.
Comfort and Cabin Management
During the cruising portion of a flight, the rules for window shades can shift. Airlines may ask passengers to close shades on longer flights when sunlight is strong to reduce heat, minimize glare on entertainment screens, and create a more comfortable environment for sleeping.
On the ground, especially during hot weather, closing shades can help keep the cabin cooler by blocking direct sunlight. This reduces the strain on the aircraft's air conditioning systems and makes boarding more pleasant. This practice is often a courtesy based on weather and airport conditions rather than a strict policy.
Modern aircraft also utilize sophisticated cabin lighting programs to help mitigate jet lag. Keeping window shades closed during specific periods can help these advanced LED lighting systems, which adjust to support passengers' natural body clocks, function more effectively.
Inconsistency and Passenger Understanding
Policies on window shades can vary significantly between airlines and countries, leading to passenger confusion. Some airlines, particularly in the U.S., may offer more flexibility, while European and Asian carriers often have more explicit rules. The Federal Aviation Administration (FAA) does not have a regulation mandating shades be open, but flight attendants can request it for safety.
Confusion often arises when passengers conflate the safety reasons for open shades during takeoff and landing with the comfort-based reasons for closed shades during cruising. Understanding that these are distinct procedures with different objectives can help reduce friction and ensure passenger cooperation with flight crew instructions. Flight attendants relay these instructions based on decades of research, accident investigations, and operational experience aimed at protecting everyone on board.