SLD45I91-701 — Launch Safety Software Management

SLD45I91-701 governs management of safety software used for Eastern Range flight safety hazards analysis and risk management.

Search SLD45I91-701

  • Publication number: SLD45I91-701
  • Title: LAUNCH SAFETY SOFTWARE MANAGEMENT
  • Date: 2026-02-17

View SLD45I91-701 on armypubs.army.mil


It covers requirements management, development planning and authorization, deficiency reporting, user evaluation, validation, version control, and ERIS interface control documentation. New software and upgrades or modifications to legacy launch safety software shall comply with its provisions.

Applies to: This instruction applies to the management of LSS developed by SLD 45/SEL that performs non-real time flight safety hazards analysis or risk management computations in support of ER missions.

Topics covered

  • Safety software requirements management
  • Safety software development planning
  • Safety software validation
  • Deficiency reporting and prioritization
  • Safety software version control
  • ERIS interface control documentation

Questions and answers

What software must comply with SLD45I91-701?

All new software, and upgrades or modifications to legacy LSS, shall be compliant with this instruction’s provisions. (paragraph 2)

What can anyone associated with launch safety software request?

The request can be for a new requirement, a modification of an existing requirement or a request to delete an existing requirement. (paragraph 4)

What must a requirement change assessment include?

The assessment must include an estimate of cost, schedule impacts and impacts to existing requirements and LSS. (paragraph 4)

When is an ERIS interface control document update required?

New or modified LSS, which will cause an interface change with 1 ROPS-managed ERIS component, will require an ICD update.

What is required before SLD 45/SEL-developed software can support an Eastern Range mission?

The SLD 45/SEL-developed software tools and models can only be used to support an ER mission if the SSVB validated them and, if required, have been operationally accepted by 1 ROPS IAW 45SWI 10-605. (paragraph 6)

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