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Forum: Accidents and Close Calls

17th Feb 2023, 20:56

Replies: 488

NTSB to probe Fedex/Southwest close encounter at Austin

Views: 124,435

Posted By airplanecrazy

FWIW, the lowest altitude in my interpolation for...

FWIW, the lowest altitude in my interpolation for the reconstruction video is 540' AMSL. Subtracting out field height of 486' at that point gives 54' AGL. Our answers agree within the margin of...

Forum: Accidents and Close Calls

17th Feb 2023, 17:40

Replies: 488

NTSB to probe Fedex/Southwest close encounter at Austin

Views: 124,435

Posted By airplanecrazy

Talking to the ADS-B Exchange developers a couple...

Talking to the ADS-B Exchange developers a couple of years ago, their timestamps are applied on their collection servers which they claimed are accurately synced via NTP. Their timestamps do not...

Forum: Accidents and Close Calls

14th Feb 2023, 21:43

Replies: 488

NTSB to probe Fedex/Southwest close encounter at Austin

Views: 124,435

Posted By airplanecrazy

My confidence is restored. I have re-examined the...

My confidence is restored. I have re-examined the data and believe the second video is +/- one second in audio timing that I received in an anonymous tip, and I believe that the aircraft are...

Forum: Accidents and Close Calls

14th Feb 2023, 14:29

Replies: 488

NTSB to probe Fedex/Southwest close encounter at Austin

Views: 124,435

Posted By airplanecrazy

All, I am embarrassed to say, but I have...

All,

I am embarrassed to say, but I have lost confidence in my reconstruction. There is possibly a five second difference between the two aircraft, so their relative position with respect to each...

Forum: Accidents and Close Calls

13th Feb 2023, 22:02

Replies: 488

NTSB to probe Fedex/Southwest close encounter at Austin

Views: 124,435

Posted By airplanecrazy

I have restored the link to the old version in...

I have restored the link to the old version in the previous post for your reference. Based on a tip, however, my belief is that the newer version is the accurate timing. I sent a FOIA requiest to...

Forum: Accidents and Close Calls

13th Feb 2023, 20:32

Replies: 488

NTSB to probe Fedex/Southwest close encounter at Austin

Views: 124,435

Posted By airplanecrazy

Note: This is an updated version of my previously...

Note: This is an updated version of my previously posted video with improved synchronization of the audio and video based upon a tip I received (which seems credible).

Here is my animated video...

Forum: Accidents and Close Calls

13th Feb 2023, 16:07

Replies: 488

NTSB to probe Fedex/Southwest close encounter at Austin

Views: 124,435

Posted By airplanecrazy

Here is my animated video reconstruction of the...

Here is my animated video reconstruction of the event driven by ADS-B granular data provided by flightradar24 and audio from LiveATC. Please see the video details for specific information about the...

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