NASA ENGINEERING NETWORK
Follow this link to skip to the main content
+ Contact LLIS
Go
ABOUT NASALATEST NEWSMULTIMEDIAMISSIONSMyNASAWORK FOR NASA

+ NASA Home
FIND ENGINEERING RESOURCES BY
LLIS HOME
NASA CENTERS
MISSION DIRECTORATE
TOPICS
BY YEAR


Public Lessons Learned Entry: 1127

Lesson Info:

  • Lesson Number: 1127
  • Lesson Date: 1999-02-01
  • Submitting Organization: HQ
  • Submitted by: David M. Lengyel

Subject:

Computer Hardware-Software/Checkout and Launch Control System (CLCS)

Description of Driving Event:

Potential Unauthorized Access to Checkout and Launch Control System (CLCS)

Lesson(s) Learned:

Present plans depend on human procedures to achieve lockout to prevent inadvertent or unauthorized access to actual hardware when using the new Checkout and Launch Control System (CLCS).

Recommendation(s):

NASA should use a computerized authorization to achieve lockout of commands to actual hardware from anyone not authorized to issue such a command in CLCS.

Evidence of Recurrence Control Effectiveness:

NASA concurs with the ASAP recommendation. The CLCS Project will undertake a study with the Shuttle engineering community to determine how these lockouts could be implemented. The results will include a preliminary set of requirements for CLCS and other systems, such as the Shuttle Data Center and Simulation Systems, an operational risk assessment for implementing these changes, and a rough order of magnitude cost assessment for implementing these changes. The study will be completed in a timely manner so that implementation can be accomplished in time to avoid extensive revalidation of CLCS application software. Progress reports will be presented to the ASAP during their CLCS review meetings.

Documents Related to Lesson:

N/A

Mission Directorate(s):

  • Space Operations
  • Exploration Systems

Additional Key Phrase(s):

  • Aerospace Safety Advisory Panel
  • Computers
  • Policy & Planning
  • Risk Management/Assessment
  • Security
  • Software

Additional Info:

    Approval Info:

    • Approval Date: 2002-02-25
    • Approval Name: Bill Loewy
    • Approval Organization: HQ
    • Approval Phone Number: 202-358-0528


    FirstGov - Your First Click to the US Government
    + 2004 Vision for Space Exploration
    + FY 2005 Budget Request
    + 2003 Strategic Plan
    + Freedom of Information Act
    + The President's Management Agenda
    + FY 2003 Agency Performance and Accountability Report
    + NASA Privacy Statement, Disclaimer,
    and Accessibility Certification

    + Freedom to Manage
    NASA
    Curator:Manson Yew
    NASA Official: Gregory Robinson
    + Contact LLIS