Articles
What Makes an Operations Manual Defensible

Rob McCall
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Operations
Current Is Not the Same as Correct
Most operations manuals I review are current, in the sense that someone updates them when a regulation changes. Fewer are correct in the sense that matters most in litigation or an FAA inspection: do the procedures on the page match what crews are actually trained to do and actually do in practice. A manual that has drifted from real operations creates a specific kind of exposure, because the gap itself becomes evidence. Either the manual was wrong, or the operation was not following its own procedures.
Where the Drift Happens
Drift usually happens quietly. A procedure gets revised in training before the manual catches up. A regional variation becomes standard practice without a corresponding manual change. A section gets updated for one fleet type and the change is never propagated to a related section covering a different aircraft. None of this is unusual, and none of it is malicious. It is what happens when manual maintenance is treated as a periodic project instead of a continuous discipline tied to FAA Order 8900.1, Volume 3 inspector guidance and the operator’s own training program.
What I Look For
When I review an operations manual for litigation support or general adequacy, I am reading it against three things at once: the applicable regulation, the operator’s own training materials, and, where available, how the procedure actually gets flown. Alignment across all three is what makes a manual defensible. A manual that is internally consistent but disconnected from training or from the line is a liability wearing the appearance of compliance.
A manual should describe the operation as it actually runs. When it does not, that gap is usually where the real risk, and the real exposure, is sitting.
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