August 10, 201114 yr I live in Vegas so I see southwest all day long. Some of the 737s have a white rotating beacon on the wing as if its a navigation lights but the rotate on one side. Others have the red one of the udnerbelly and the nav lights. Any reason to this other then maybe model and age? Thanks Jason Arsineau KLAS
August 10, 201114 yr The white lights on the wings are not beacon. They're called strobe lights, and are usually turned on while entering runway, and taken off while vacating it. Beacon is the red flashing light under the belly, and even my 50 year old Cessna 150 has it in the red color. PMDG & MAJESTIC SOFTWARE BETA CPL (A) + ME/IR Aleksi Lindén
August 10, 201114 yr Library Administrator I would think at this point SWA's oldest planes are the 737-300 and they have strobes on the wingtips and red beacons on the upper and lower part of the fuselage. Brian A. Neuman Proud simmer since 1982 using the following simulators: Sublogic Flight Simulator 1 and 2. Microsoft Flight Simulator 4.0, 5.1, FS95, FS98, FS2000, FS2002, FS2004, FSX (and unfortunately Flight!). Terminal Reality Fly 1 and 2. Sierra Pro Pilot, Looking Glass/Eidos/Electronic Arts Flight Unlimited I, II and III, Laminar Research X-Plane 7, 8, 9, 10 and 11, FS Aerofly 2, Lockheed Martin Perpar3D 2.X, 3.X, 4.X and 5.X and Microsoft Flight Simulator (2020). Not to mention numerous combat simulators and games related to flight that I have played with over the years. System: Intel I7-7700K-Water Cooled, 32GB Ram, GTX 1080Ti, 500gb SSD, 1TB HD and dedicated 1TB and 2TB SSD's for Flight Simulators
August 11, 201114 yr It may be the -500 you have seen doing this, its mostly for awareness and was for helping increase awareness for preventing mid-air collisions. it was phased out because it came to the fact that it really didn't make a difference. I had a nice chat with a pilot about it at work. -Sean L PPL + IFR, SEL HP/Complex.. LAS WN Ground Ops
August 11, 201114 yr Author I know it wasn't the strobes because those were illuminating also, and they all have the standard Red Beacon on the top and bottom of the fuselage this was like one of those old style police lights they would throw on their roof but did 360 degrees and was white. KInda like an airport locating beacon but for an aircraft. I only see it on about 5 or 6 planes every week. Kinda looks like it was a test of some sort because not many made it onto aircraft. Jason Arsineau KLAS
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