Re: thought

From: Markus Mehring (
Date: Tue Feb 04 2003 - 20:11:57 EST

  • Next message: Curt Porter: "OT: STS-107 Abort to ISS Possible?"

    On Tue, 04 Feb 2003 16:22:32 -0800, you (Tony Planinac
    <>) wrote:
    >just a thought about the launch...just a about a
    >"on-launch" review of target camera that if something hits
    >the bird they can go to a return to launchpad opposed to
    >waiting 1 the review @ launch, do a poll, then press on or
    >return to site............
    Not really feasible. Time margins are extremely narrow in this phase, there
    really is not the time to review the multitude of launch footage taken from
    a variety of angles in order to find an unlikely event that would enable
    you to make such a dramatic decision again within a very limited amount of
    time left. For the decision to make an abort, very definite and certain
    criteria have to be met, that's a really tough decision in itself. Also you
    wouldn't do an RTLS, both because of time constraints so early in the
    launch (there simply isn't the time to perform such a review while the
    stack is within RTLS range) and because it's the worst-case and most
    dangerous abort mode there is (that is, there's a chance the orbiter
    doesn't survive), only to be used in i.e. a very early double engine
    failure scenario. If an abort based on such a review would be made, it
    would be ECAL or TAL.
    CU!	Markus
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