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OSMA Releases Significant NPR 8705.4A Updates

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8705.4

NASA’s Office of Safety and Mission Assurance (OSMA) made significant updates to NPR 8705.4A, Risk Classification for NASA Payloads, effective April 29. 2021. OSMA updated the policy to reflect changes in risk acceptance and Technical Authority concurrence policies, to formalize and shorten the timeline for the risk classification process, to provide clearer and earlier documentation of the Safety and Mission Assurance (SMA) implementation approach, and (most importantly) better align stakeholder and implementer expectations. 

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Printed Circuit Board Assessments at NASA Drive Update to Industry Standard

3-minute read
PCB - Hero

Multi-disciplinary physics-of-failure testing and simulations conducted on Printed Circuit Boards at Goddard Space Flight Center recently resulted in an industry standard update, which will lead to cost savings not only for NASA but for the electronics industry in general.

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NASA-STD-8729.1A, Reliability and Maintainability Revision Overview

2-minute read
STD8729-1A-Hero
The NASA Reliability and Maintainability program recently released Revision A to NASA-STD-8729.1, NASA Reliability and Maintainability Standard for Spaceflight and Support Systems.
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Reliability Assessment Using Physics-of-Failure Principles, Modeling and Simulation

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Circuit board

One of the most important aspects of Reliability and Maintainability is understanding how things fail. Engineers can only make systems reliable if they understand what makes them unreliable.

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TEAMS: Alternatives to Enable Model-Based Mission Assurance

4-minute read
Depiction of Orion

Johnson Space Center’s Reliability and Maintainability program is working on a new system that helps engineers and mission managers make better risk-informed decisions.

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Johnson’s EVA Data Integration System Works to Integrate ISS Data Systems

4-minute read
Software

Johnson Space Center developed the Extravehicular Activity (EVA) Data Integration (EDI) system, which allows seamless search and data correlations, integration and analysis across multiple data sources and assurance systems for the International Space Station (ISS) Program.

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Goddard Hosts MBE Workshop and Shares Model-Based Mission Assurance With MBE Community

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Goddard Hosts MBE Workshop and Shares Model-Based Mission Assurance to MBSE Community

On Feb. 17-18, Goddard Space Flight Center hosted its second Model-Based Engineering (MBE) workshop, which included an overview of MBE’s mission assurance counterpart, Model-Based Mission Assurance.

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NASA Addresses CubeSat SMA and Reliability Challenges

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NASA Addresses CubeSat SMA and Reliability Challenges

As the agency looks at opportunities to use CubeSats in science and exploration missions, NASA’s Safety and Mission Assurance (SMA) community is working to address some of the SMA challenges associated with these small spacecraft.

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Is Model-Based Mission Assurance the Future of NASA SMA?

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MBMA

The Office of Safety and Mission Assurance is looking at a new way of assuring complex missions that use Model-Based Systems Engineering.

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New SATERN Course: Introduction to Risk Assessment Concepts, Tools, and Techniques

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Risk Assessment Course

This new online course provides information to non-subject matter experts on risk assessment concepts, tools, techniques and application.

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JSC Team Improves R&M for Wastewater Recovery System That Will Support Mission to Mars

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CDS

A team at NASA Johnson Space Flight Center is working to improve Reliability and Maintainability for the Cascade Distillation System using Model-Based Systems Engineering techniques.

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