JONES: Closing end point with the one-hour balloon shows us touching down at 1496, 1,500 feet down the runway. HOPPE: That's correct, Flight, all looked good.ĬAIN: Still all on string two and everything looked good? I expected to be a little bit intermittent and this is pretty solid right here.ĬAIN: No onboard system config changes right before we lost data? SARAFIN: If we have any reason to suspect any sort of controllability issue I would keep the control cards handy on page four dash 13.ĬAIN: INCO, we were rolled left, last data we had, and you weren't expecting a little bit of ratty comm, but not this long? HOPPE: Flight, INCO, I didn't expect this bad of a hit on comm.ĬAIN: GC, how far are we from UHF, is that two-minute clock good? ROGERS: I've got four temperature sensors on the bottom line data that are offscale low. We've also lost the nose gear down talkback and the right main gear talkback.ĬAIN: Nose gear and right main gear down talkbacks?ĮECOM (Emergency, environmental and consumables operation manager Katie Rogers): And Flight, EECOM. HOPPE: (illegible text), just taking a few hits here, we're right up on top of the tail, not too bad.ĬAIN: And there's no commonality between all these tire pressure instrumentations and the hydraulic return instrumentations? INCO (Instrumentation and Communications Officer Laura Hoppe): Flight, INCO. KLING: Flight, MMACS, those are also off, off- (illegible text)ĬOLUMBIA (Commander Rick Husband): "Roger, buh." HOBAUGH: And Columbia, Houston, we see your tire pressure messages and we did not copy your last.ĬAIN, interrupting: Copy. KLING: We just lost tire pressure on left outboard and left inboard, both tires. JONES: We have the balloon, it is being run through DDS right now. KLING: And they were all staggered, they were, like I said, within several seconds of each other. KLING: All four of them are offscale low. KLING: The other temps are normal, yes sir.ĬAIN: And when you say you lost these, are you saying that they went to zero (illegible text). KLING: They're all good, we've had good quantities all the way across. I don't see anything out of the ordinary.ĬAIN: All other indications for your hydraulic system indications are good? SARAFIN: Control's been stable through the rolls that we've done so far, Flight, we have good trims. GC (Ground Control Bill Foster): Flight, GC.įOSTER: Your air to grounds are enabled for the landing count.ĬAIN: Everything look good to you, control and rates and everything is nominal, right? SARAFIN: Flight, Guidance, we're processing drag with good residual. KLING: That's all three hydraulic systems, it's, two of them are to the left outboard elevon and two of them to the left inboard And there is no commonality.ĬAIN: MMACS, tell me again which systems they are for. KLING: All four of them are located in the aft part of the left wing, right in front of the elevons, elevon actuators. They were within probably four or five seconds of each other.ĬAIN: OK, where are those? Where is that instrumentation located? KLING: To the left outboard and left inboard elevons.ĬAIN: OK, is there anything common to them, DSC or MDM or anything? I mean, you're telling me you lost them all at exactly the same time? (pause) Two of them on system one and one in each of systems 2 and 3. KLING: FYI I've just lost four separate temperature transducers on the left side of the vehicle, hydraulic return temperatures. MMACS (Maintenance, Mechanical, Arm and Crew Systems Officer Jeff Kling): Flight, MMACS. 82390 Space Shuttle Columbia Disaster Transcript National Aeronautics and Space Administration
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