REG NASA-LLIS-1003-1997 Lessons Learned Space Shuttle Program Orbiter Avionics Modifications.pdf

1、Lessons Learned Entry: 1003Lesson Info:a71 Lesson Number: 1003a71 Lesson Date: 1997-02-01a71 Submitting Organization: HQa71 Submitted by: David M. LengyelSubject: Space Shuttle Program/Orbiter/Avionics Modifications Description of Driving Event: Orbiter Avionics ModificationsLesson(s) Learned: The M

2、ulti-Function Electronic Display System (MEDS) in the orbiter is being implemented with display functions and formats that mimic the present electromechanical and cathode ray tube presentations. There are significant potential safety and operational benefits from enhancing the amount, type, and form

3、at of information shown on the MEDS displays.Recommendation(s): The Space Shuttle program should commit to a significantly enhanced MEDS display as soon as possible. The MEDS advanced display working group or a similar multidisciplinary team should be tasked with identifying specific modifications a

4、nd an associated timetable so that the opportunities inherent in MEDS can be realized.Evidence of Recurrence Control Effectiveness: The SSP has established an enhanced MEDS program that includes hardware and software enhancements to take full advantage of MEDS capabilities. This includes hardware ex

5、pansion as well as utilization of inherent MEDS capabilities to provide better displays and improve crew situational awareness. Additionally, an SSP Cockpit Upgrade Team is being formed to develop advanced display and application concepts for future implementation into MEDS/enhanced MEDS/future avio

6、nics upgrades capability. The Cockpit Upgrade Team will also participate in avionics upgrades discussions in order to anticipate future hardware and software changes and develop Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-advanced cockpit applica

7、tions to further improve crew awareness and reduce crew training requirements. Initial testing of new applications for enhanced MEDS will begin in June 1997.Documents Related to Lesson: N/AMission Directorate(s): a71 Space Operationsa71 Exploration SystemsAdditional Key Phrase(s): a71 Aerospace Safe

8、ty Advisory Panela71 Computersa71 Human Factorsa71 SoftwareAdditional Info: Approval Info: a71 Approval Date: 2001-11-01a71 Approval Name: Bill Loewya71 Approval Organization: QSa71 Approval Phone Number: 202-358-0528Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-