I almost didn't post this, because the audio is so bad! I attempted a separate audio recording by stuffing a digital voice recorder into one headset cup, so it would pick up intercom conversation, and hopefully, reject some extraneous noise. Unfortunately, the cheap recorder probably has no automatic level control, and the headset didn't have noise cancellation. The result was severe distortion from the high level of engine noise.
Sorry 'bout that!
There are two runs, back to back, on this one recording.
