Transcript of ATC:
From the mega thread (not my work)
Update 3: My original audio was from DCA freq. Now added additional dialogue from DCA/KJPN
Update 2: adding dialogue from the UHF tapes.
UPDATE: I'm being informed PAT25 responds on UHF. The tape transcribed is VHF recording
Blue Streak 5342 is the CRJ. Pat 25 is the helo
4 mins prior to crash: "Tower, Blue Streak 5342 on Mount Vernon Visual Runway 1"
"Blue Streak 5342, Washington Tower, winds are 320/17G25 can you take Runway 33?"
30 sec pause
"Yeah we can do Runway 33 for Bluestreak 5342"
"Bluestreak 5342 (unclear) bridge make the turn for 33, cleared to land 33"
"Change to Runway 33, cleared to land 33 bluestreak 5342"
Other traffic being handled to Runway 1.
Approx 2.5 mins to crash:
Pat25: "PAT25 memorial."
Tower: Pat25 rodger.
Approx 1:20 till crash:
Tower: "PAT25 traffic just south of (unclear) bridge is a CRJ at 1,200ft turning for Runway 33"
PAT25: PAT25 has the Traffic in sight, request visual separation
Tower: Visual separation approved.
Tower: "American 1631 winds are (unclear) no delay, traffic on 3 mile final for Runway 33 cleared for immediate takeoff"
"Cleared for takeoff, AA1631"
Approximately 10 seconds prior to collision
Tower: "PAT25 do you have the CRJ in sight?"
Tower: "PAT25 (unclear maybe pass behind) CRJ"
Pat25: Affirm. Pat 25 has traffic in sight request visual separation.
Tower: Separation.
15 seconds later
"Tower, AA472 (unclear)"
"American 472 washington tower" alarms going off "Oooh!" "Oh my god!" *click
15 seconds later
"Tower, did you see that?"
Tower frantically begins commanding go arounds and deconfliction.