Air & Space
Why flying is only part of becoming operational
A successful flight, an operational test and a fielded fleet answer different questions.
EVIDENT FRONTIER
DEFENSE TECHNOLOGY, IN CONTEXT
Clear explanations of emerging defense technology, and the milestones that matter.
PROGRAM WATCH
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AI concept illustrations. Images do not depict the named programs.
MORE PERSPECTIVES
All explainersUnderstand what’s changing.
Air & Space · 4 MIN READ
FAA Order 8110.49A explained: how software approval reviews work
Who reviews airborne software, what evidence enters that review, and how the current FAA order fits alongside AC 20-115D and AC 00-69.
Sensors & Defense · 4 MIN READ
A calibration certificate has a scope
A calibration record connects a particular result to a reference. Reading its scope, uncertainty and subsequent use explains how much confidence it can support in a new measurement.
Sensors & Defense · 4 MIN READ
A measurement inside tolerance still needs a decision rule
The measured value, its uncertainty and the rule used to accept an item answer different questions. A simple panel example shows what a pass label leaves unstated.
GO DEEPERA little more context.
A little more context.
A much clearer picture.
Air & Space · 4 MIN READ
What a software tool qualification actually covers
Sensors & Defense · 4 MIN READ
Point-cloud clearance: what the scan actually covers
Air & Space · 4 MIN READ
What code coverage tells you about aviation software
Sensors & Defense · 4 MIN READ
A quick repair is not the whole return to service
THE FRONTIER BRIEFING
Keep the signal.
A concise reading list of meaningful developments, source links, and questions still worth asking.
Read the Frontier Briefing Source-linked analysis