When becoming aroused, the plane exposes its clitorotoris. This is natural and nothing to be ashamed of.
When a plane loses power this lowers into the airstream to make brrrrrrrrrr sounds to keep the illusion of engines.
Edit: I feel I should expand on this. Like a hockey card in your bmx spokes.
When an aircraft loses engine power, this automatically pops out. As in this scenario, not all instruments are powered and one has only one shot at landing, this is to assist in the expected imminent landing; it operates something like a curb feeler on a car. When you hear the propeller impacting the runway, you know that you're probably too low.
That’s the built in leaf blower to make sure that the runway is clear for autumn landings. Most airports have their own de-leafing crews, but not all of them.
They were mandated to be installed after a string of landing crashes in the 90s got people making “fall” jokes too often, which upset the FAA.
If the pilot flies low enough, this will serve as a ground troop slice-n-dice. Advantages over conventional hardware include:
In recent news, Ukrainians are exploring ways to strap C4 to it.
These deploy in case of total engine failure to provide enough thrust to get the aircraft to the next airport.
Should've added the NSFW tag on this, I was on an air field and every airplane in the area had there's pop out…. Lots of fluids everywhere.
You're the closest to the truth. It's actually a booster propeller for when the plane needs to go super sonic.
Instead of 257mph, they lower this one to go 257.5mph. it makes a big difference. I see your confusion on this topic. Sometimes they lower its big brother windmill and then the plane cat reach speeds closer to Mac book 7pro.
It's an emergency propeller, when the main engines lose power.
It's also the reason I never sit in the emergency exit row. The reason they give you extra legroom is so passengers can use the pedals that pop up from the floor when the masks are dropped. When they ask if you're willing and able to help on an emergency, this is actually the most common thing you'll have to help out with.
Everytime I've been in a crashing airplane, I just lean back a few degrees and laugh at those poor suckers who traded for a couple inches of extra legroom and now have the responsibility of saving the rest of us.
This actually propels the plane.
The turbine engines are there to look big and make noise to have the passengers feel safe. Big turbines also allow airlines to charge extra, and generate bigger profits. CO2 emissions are also intentionally raised to justify higher pricing.
It is only also used on lift-off and landing, to accelerate and decelerate the plane. During the flight it's not needed due to the plane relying on Newton's 1st law of motion: "when it go it no stop til stopped"
Well yeah, the government needs that "emissions tax" and the airlines can now compete over "efficiency." But honestly, they don't need any fuel at all because they have wind. Cars need fuel because of friction with the ground, airplanes don't.
That propeller is only needed for takeoff and landing to make sure the plane gets consistent speed. Wind can be a bit gusty, and passengers don't like being tossed around.
The incoming bird sensor first senses any incoming birds; then, its cushioned robotic hand (think an oversized Mickey Mouse hand) gently smacks them out of the way of the plane's path.