1、Lessons Learned Entry: 1160Lesson Info:a71 Lesson Number: 1160a71 Lesson Date: 2001-02-01a71 Submitting Organization: HQa71 Submitted by: David M. LengyelSubject: Space Shuttle Program/Planning Horizon/Safety Description of Driving Event: Inadequate Planning Horizon for Shuttle Which Will Most Likel
2、y Fly Through 2020Lesson(s) Learned: The current planning horizon for the Space Shuttle does not afford opportunity for safety improvements that will be needed in the years beyond that horizon.Recommendation(s): Extend the planning horizon to cover a Space Shuttle life that matches a realistic desig
3、n, development, and flight qualification schedule for an alternative human-rated launch vehicle.Evidence of Recurrence Control Effectiveness: Code M - Concur: It is prudent to assume that the Shuttle will continue to support human space flight well beyond the current planning date of 2012, probably
4、at least until 2020. Industry and NASA studies indicate that there will not be a compelling case for funding, developing and certifying a Shuttle replacement system for human space flight until late in the next decade. Therefore, NASA is actively assessing further safety improvements, beyond the cur
5、rent suite of planned and funded upgrades, which may be implemented in the Shuttle within the next 5-7 years and which could significantly reduce the operational risk of the Shuttle for many years of continued operations.Documents Related to Lesson: Provided by IHSNot for ResaleNo reproduction or ne
6、tworking permitted without license from IHS-,-,-N/AMission Directorate(s): a71 Space Operationsa71 Exploration SystemsAdditional Key Phrase(s): a71 Administration/Organizationa71 Aerospace Safety Advisory Panela71 Flight Operationsa71 Ground Operationsa71 Human Resources & Educationa71 Policy & Planninga71 Safety & Mission AssuranceAdditional Info: Approval Info: a71 Approval Date: 2002-03-18a71 Approval Name: Bill Loewya71 Approval Organization: HQa71 Approval Phone Number: 202-358-0528Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
