Can anyone do the maths on Flight Paths?

Kinja'd!!! "cesariojpn" (cesariojpn)
12/03/2016 at 10:05 • Filed to: None

Kinja'd!!!1 Kinja'd!!! 6

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Since Flight Club is DOA, this story has kinda made people go “Bullshit!” on the maths. Quote from article:

Flight HA 50 was nearly halfway to the John F. Kennedy International Airport when pilots turned around because of the man, who appeared to be drunk.

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The court document says the captain decided to turn the plane around.

Hawaiian Airlines says Tuesday’s flight took off from Honolulu International Airport at about 4:30 p.m. and then returned at about 9:30 p.m. It took off again around 1 a.m. Wednesday.

!!!error: Indecipherable SUB-paragraph formatting!!! how the hell was it justified for the Hawaiian Airlines plane to turn back to Honolulu when if the plane was “halfway into the flight” !!!error: Indecipherable SUB-paragraph formatting!!! :

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Some noted that the flight was maybe 2.5 hours in, the incident happened, and the plane went back to Hawaii which took 2.5 hours, giving the 5 hour time frame.

Other factors to include is that it’s from Hawaii to New York, which one commentor noted it was a 14 hour flight. And the Airbus A330 would be the aircraft used.

So folks.......is the internet commenters right, or is it just shitty reporting?


DISCUSSION (6)


Kinja'd!!! LongbowMkII > cesariojpn
12/03/2016 at 10:17

Kinja'd!!!1

Shitty reporting. Clearly it was only a couple hours into it’s flight, leaving it somewhere in the east pacific.


Kinja'd!!! WilliamsSW > cesariojpn
12/03/2016 at 10:18

Kinja'd!!!2

Halfway to the mainland, I’m sure of it. 2.5 hours is roughly half way to California, I’ve flown between LA and Hawaii numerous times. If they were halfway to NY, they would have landed elsewhere — you would NEVER recross the ocean for this.


Kinja'd!!! Svend > cesariojpn
12/03/2016 at 11:24

Kinja'd!!!0

After 2.5hours it would still be 2.5-3hours away from the mainland.


Kinja'd!!! Eric @ opposite-lock.com > cesariojpn
12/03/2016 at 12:14

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5 hours between takeoff and landing. 2:00-2:30 in, the even occurred. Returning to HI was likely very slightly closer than going to CA.

Planes do not fly in straight lines on our distorted flat maps, either. You need to calculate what is called a “great circle route”, which doesn’t really distort the route much at similar latitudes or longitudes, but HI is pretty far south and NYC is fairly far north. A flight on the shortest route would make landfall just north of San Francisco, nowhere near Los Angeles, which would be hundreds of miles out of the way.

Source: I used to write targeting software that took the shape of the earth into account.


Kinja'd!!! Flyboy is FAA certified insane > cesariojpn
12/03/2016 at 12:42

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I have a feeling they were halfway to California, not halfway to JFK. Either way, when planning an international flight there is something called a point of no return, where fuel dictates that you cannot go back to where you started, and must continue to an airport in front of you.

For this flight, it was probably about 4/5 of the way to California, and that’s why they turned around.


Kinja'd!!! Noodles > cesariojpn
12/03/2016 at 13:40

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I can’t stand flying, not the planes or being in the air, but the fucking airports. If this happened on a flight I was on... Day fucking ruined!