What is the 90 second rule for aircraft?


What is the 90 second rule for aircraft? As part of the testing of a new aircraft, the manufacturer must demonstrate that all passengers can be evacuated in a short amount of time when an emergency arises - within 90 seconds to be precise. If it doesn't comply, the aviation authorities won't approve its safety certification.


Can a 747 fly on one engine?

The Boeing 747 is a four-engine wide-body jet airliner that has been in service since 1970. It is one of the most recognizable and iconic aircraft in the world, and has earned the nickname “Queen of the Skies”. The Boeing 747 can fly on one engine only, but it is not recommended or desirable to do so.


How long can a pilot fly without resting?

Flight times within the duty periods are restricted to a maximum of 8 hours for flight crews consisting of one pilot and 10 hours for flight crews consisting of two pilots. The 8-hour and 10-hour flight time limitations include any additional commercial flying performed by the flight crew during the period.


Do flight attendants get to sleep on the plane?

All-in-all, the cabin crew can sleep on the plane and during the stopovers, which are usually 24 hours long and can be up to 2 days or more. Thus allowing the crew to not only rest but relax and visit the place they have the layover.


What do flight attendants do when crashing?

Newer brace positions are being adopted by many U.S. airlines in which the flight attendants do not sit on their hands. Instead, they place their hands flat on top of their thighs. This new position is being adopted because in the event of a crash, sitting on hands can cause injury and/or crushing.


Which part of an airplane is safest?

The middle seat in the final seat is your safest bet The middle rear seats of an aircraft had the lowest fatality rate: 28%, compared to 44% for the middle aisle seats, according to a TIME investigation that examined 35 years' worth of aircraft accident data. This also makes logical sense.


Why does the crew not talk during takeoff and landing?

Your nearby cabin crew most likely will not be talking to passengers on take-off or landing, and you may think they are just thinking about dinner that night. This is what they are actually doing to prepare for the best outcome should there be an emergency evacuation. They are preparing to save lives.


Do flight attendants get to sleep on long flights?

Crew require a minimum of three hours rest when the flight duty period exceeds 14 hours (from when crew 'sign on' to 15 minutes after engines off). For flight duty periods longer than 18 hours, 4.5 hours bunk rest is required. The crew take turns for rest breaks.


Why are cabin lights dimmed during takeoff?

The dimming of cabin lights only happens when it is dusk, dawn or dark outside the aircraft. This is a safety measure, and is to ensure your eyes are adjusted to the gloom enough to see the floor lights leading you to safety along the aisle in the event of a crash or emergency evacuation.