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UFO UpDates Mailing List

From: Karel Bagchus <karel@worldonline.nl>
Date: Tue, 15 Apr 1997 17:35:29 +0200
Fwd Date: Tue, 15 Apr 1997 11:56:42 -0400
Subject: Hacking Space Shuttles, Abort Codes : NailGun

Hi List,

I found this in the "Confidence is High" (Hackers Newsletter), think it's
really funny and somewhat informative:

Hacking Space Shuttles, Abort Codes : NailGun

Okay, if you ever decide to hack a space shuttle (*.arc.nasa.gov is hacked
very
frequently) and you actually plan it all out, make sure you collect all the
parts of this "mini-guide" of little things that are important and you will
need to know, this section concerns....

SPACE SHUTTLE ABORT MODES
-------------------------

Space Shuttle launch abort philosophy aims toward safe and intact recovery
of the flight crew, orbiter and its payload.

Abort modes include:

*  Abort-To-Orbit (ATO) -- Partial loss of main engine thrust late enough
to permit reaching a minimal 105-nautical mile orbit with orbital
maneuvering system engines.

*  Abort-Once-Around (AOA) -- Earlier main engine shutdown with the
capability to allow one orbit around before landing at Edwards Air Force
Base, Calif.; White Sands Space Harbor (Northrup Strip), N.M.; or the
Shuttle Landing Facility (SLF) at Kennedy Space Center, Fla..

*  Trans-Atlantic Abort Landing (TAL) -- Loss of two main engines midway
through powered flight would force a landing at Banjul, The Gambia; Ben
Guerir, Morocco; or Moron, Spain.

*  Return-To-Launch-Site (RTLS) -- Early shutdown of one or more engines
and without enough energy to reach Banjul would result in a pitch around
and thrust back toward KSC until within gliding distance of the SLF.

STS-35 contingency landing sites are Edwards AFB, White Sands, Kennedy
Space Center, Banjul and Ben Guerir, Moron.

Next time we will probably look at the payloads of space shuttles, l8r.


********************************************************************

Karel Bagchus

KUFOR - Karel's UFO Research = http://www.worldonline.nl/~karel/ufo/
Homepage = http://www.worldonline.nl/~karel/
e-mail = karel@worldonline.nl
ICQ UI-Number = 303261