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FAA MOSAIC manufacturer resource

Evaluate electric propulsion in a MOSAIC program

Assess electric propulsion architecture, energy storage, charging, thermal safety, high-voltage protection, performance, software, maintenance, and operational support.

See what is inside the report

The decision behind this topic

For electric-aircraft developers and investors, the useful question is not simply what MOSAIC says. The work is joining aircraft eligibility with propulsion-specific evidence and infrastructure reality. The management decision is whether the design and operating model can close technical and commercial risks. That requires an aircraft-specific record, not a generic interpretation copied into a schedule.

A credible program distinguishes confirmed requirements from assumptions, ties each conclusion to the configuration it covers, and gives unresolved items an owner and a decision date. This is especially important when prior certification work, supplier evidence, or commercial forecasts are being reused in a new U.S. context.

Evidence to put on the table

battery, motor, inverter, charging, and thermal-system evidence

hazard, containment, performance, degradation, and dispatch assumptions

maintenance, training, ground infrastructure, and emergency procedures

A practical way to proceed

  1. 1

    define energy and mission reserves conservatively

  2. 2

    test failure containment and environmental behavior

  3. 3

    include field support and battery lifecycle in the business case

The output should be a traceable recommendation with conditions, not an unsupported yes or no. Where evidence is incomplete, show the closure method, cost and schedule exposure, and the event that will change the decision.

Frequently asked questions

What should electric-aircraft developers and investors verify first?

Start with the exact aircraft configuration, intended U.S. use, and the authoritative requirements and standards that support the proposed path. A useful review makes assumptions visible and connects conclusions to controlled evidence.

Does the MOSAIC Manufacturer's Guide replace legal or engineering review?

No. The guide is a decision-support resource, not legal, regulatory, investment, or engineering advice. Aircraft-specific conclusions require current source review and qualified technical judgment.

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Build your MOSAIC strategy from a structured, source-backed report.

Use the guide to frame the questions, then validate the pathway against your aircraft, organization, and current authoritative sources.

For informational purposes only. Not legal, regulatory, investment, or engineering advice.