MIL-STD-1798 Mechanical Equipment And Subsystems Integrity ProgramThe purpose of this standard is to describe the general process to achieve and maintain the physical and functional integrity of the mechanical elements of aircraft systems. The goal of this integrity program is to achieve the desired level of safety and aircraft availability at the most economic cost across the life cycle of the weapon system. This standard allows the process to be tailored in a competitive environment to meet specific equipment, subsystem, and/or system requirements. The Mechanical Equipment and Subsystems Integrity Program MECSIP is implemented in the planning process and continued until retirement of the system.

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Program Milestone

A

B

C

Acquisition Phase

Technology

Development

System Development and Demonstration

Production and

Deployment

Operations and

Support

Reviews and Audits

SRR

SDR(SFR)

PDR

CDR

FRR(IFR)

SVR

PCA

MECSIP TASK

TASK III Design Analyses and Development Tests (5.3)

Vibration/dynamics/ acoustic analyses (5.3.2.9)

•  Initial

•  Update

•  Update

•  Update

• Update

Material characterization tests  (5.3.3.1)

•  Initial development of material characterization tests defined

•  Initial development  of material characterization tests conducted

•  Update

Design development tests

(5.3.3.2)

•  Initial development tests defined

•  Test rationale, test planning developed, test risk identified

•  Initial component development tests conducted

•  Components and subsystems development tests completed and data provided to designers to update design environment

•  Update

• Update

Flight Control Systems analysis and test (5.3.4)

•  Initial development tests defined

•  Test rationale, test planning developed, test risk identified

•  Initial component development tests conducted

Electromagnetic effects and lightning

(5.3.5)

•  Initial development tests defined

•  Test rationale, test planning developed, test risk identified

•  Initial component development tests conducted

•  Ground test rig and

component tests complete

•  Flight testing completed

Software performance and testing requirements (5.3.6)

•  Initial development tests defined

•  Test rationale, test planning developed, test risk identified

•  Critical module tests complete

•  Formal Qual tests and software integration tests complete for safety- critical functions

•  All testing complete

Abnormal operation design margin (5.3.7)

•  Abnormal operating conditions defined

•  Test rationale, test planning developed, test risk identified

•  Test plan complete

•  Critical module tests complete

Reliability and maintainability (5.3.8)

•  Initial analysis

•  Analysis complete