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Simultaneous Departures From LAX 25L & 25R

Mon Mar 29, 2004 5:47 pm

Are simultaneous departures from LAX 25L and 25R a regular thing? I have never seen any such departure using both runways until tonight around 17:27 when UA #992 (LAX to SFO), a Boeing 737-322 and UA (Skywest) #6582 (LAX to TUS), a Canadair CRJ-200 made simutaneous departures. The 737 using 25R and the CRJ using 25L.

The other enthusiasts viewing departures from Imperial Hill commented that this was rare and it reminded me of departures at SFO using runways 1L and 1R. The parallel runways at LAX seen too close to each other to warrant a simultaneous departure.

I mean, I HAVE seen simultaneous arrivals on 25L & R as well as 24L & R and I know departures are possible, but I've never witnessed a departure in my 33 years such as this. And, I used to work at LAX!!!


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RE: Simultaneous Departures From LAX 25L & 25R

Mon Mar 29, 2004 5:54 pm

The parallel runways at LAX are, I believe, approx. the same distance apart as the parallel runways at SFO (~750 feet). So if they do them up at SFO, I'm sure they can do them at LAX, although you're more likely to see parallel departures off of 25R and 24L.
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RE: Simultaneous Departures From LAX 25L & 25R

Tue Mar 30, 2004 2:15 am

It is very rare for this to happen at LAX. I used to live there and was out there a lot spotting, but only saw this very few times in the 9 years that I lived there. It would always be different size aircraft with one usually being a turboprop like in this case.

It's a lot more common to see almost simultaneous departures on 24R+L. An airplane starts rolling and about 10 seconds or so later, the second aircraft will start its take off roll.

Not sure why this happens a lot more on the 24s rather than the 25s runways.

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RE: Simultaneous Departures From LAX 25L & 25R

Tue Mar 30, 2004 3:34 am

Not as rare as you might think. You'll usually see some simults during the the evening push, 22:00 - 23:00, when the southbound (SNA, CLD, SAN, ONT, PSP) commuter traffic is paired with turbojet departures. LAX Tower will have them about 200 heading after departure to give them space. One night, about three weeks ago, saw 4 simults in a row from the 25s.
24 simults are more common due to the large amount of commuter traffic with northbound departure fixes.
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RE: Simultaneous Departures From LAX 25L & 25R

Tue Mar 30, 2004 3:47 am

When I was in the Navy in the 60's I was on a 727 from TUL and a 727 coming in from the north joined us in a simultaneous ARRIVAL on the 2 southern runways at LAX. We were the 727 that maintained a direct flight path and the other 727 flew to our side. The wheels went down at the same time and there was less than 5 seconds difference in landing - we were first. One of the most interesting landings I have ever had and I was very grateful I had been put in a window seat to watch. Doubt if that would happen today - pity.
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RE: Simultaneous Departures From LAX 25L & 25R

Tue Mar 30, 2004 3:55 am

"Simultaneous" is "rare" only because it happens by chance. Normal ops (busy) LAX has two different tower controllers working the different sides of the airport. Each runway has its own departure path and when busy the two sides of the airport do not coordinate their timing, but rather depart planes as quickly as SoCal can accept them.
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