"Boost – Check – Change – Check – Rich – Hot – Both – Try Start – No Start – Mayday – Mayday – Mayday – Land The Plane." For anyone who has trained as a pilot, that sequence is immediately familiar. In the Canadian Military, we called it a Red-Page Emergency: engine failure after takeoff. I first memorized that checklist in 1986, and I can still recite it today.
That's not an accident. It's exactly how the brain is supposed to work when checklists are done right. And for coaches, leaders, and anyone responsible for building consistent execution in others, understanding why checklists work at a neurological level changes how you use them entirely.
Aviation's Checklist Legacy
Since the 1930s, the aviation industry has treated checklists with something close to reverence. The decision to adopt them wasn't cultural, it was practical: aircraft had become too complex for any individual's memory to manage reliably. By acknowledging that reality, the industry built one of the strongest safety records of any high-stakes domain. According to US Census data, the risk of dying as a plane passenger is 1 in 205,152 — compared to 1 in 102 for a car.
The emergency checklist I memorized — and the two most common failure points in flight school, landings and emergency procedures — had a combined failure rate of over 50% in my class. The ones who passed weren't necessarily more talented. They were the ones who took the checklist seriously enough to internalize it before they needed it.
How the Brain Processes Checklists
The neuroscience behind checklists is precise. In 2003, MIT researchers identified the brain's "checklist" function in the prefrontal cortex — the region responsible for keeping memories ready for active use. What they found was specific: neurons in this area responded during each step of a movement sequence, but also produced an "extra" response when the full sequence was completed. That extra response is the brain's internal checkmark. It signals completion, releases the step from working memory, and prepares the system for what comes next.
The inverse is also well-documented. Individuals with impairments in the prefrontal cortex have difficulty both initiating tasks (no starting signal) and recognizing when a task is complete (no checkmark signal). Without that neural architecture, consistent execution breaks down. The checklist, in a real sense, externalizes a cognitive function that the brain performs internally when it's working well.
A Cognitive Safety Net for Complex Work
Humans make mistakes. This is not a management problem or a motivation problem — it is a biology problem. Checklists provide what cognitive scientists call a cognitive safety net: a structured offload for working memory that reduces the probability of error when the stakes are high and the steps are many.
Dr. Atul Gawande documented this compellingly in The Checklist Manifesto. At the time he began his research, more than half of all surgery deaths were attributable to human error. After implementing checklists in operating room protocols at his hospital, complications dropped 36% and deaths dropped 47% in just three months. The surgical teams weren't suddenly more skilled. They were protected from their own cognitive limitations by a well-designed process.
The same dynamic plays out in any high-complexity environment — including the work of leading and coaching people.
The Order of Operations for Behavior Change
When we want to change behavior — our own or someone else's — the brain follows a fixed sequence. First, a memory or thought is recalled. Second, an emotion (meaning) attaches to that memory. Third, action follows. Checklists work within that sequence, not around it.
The emergency checklists I ran during flight training weren't just procedural. They were emotionally anchored. I practiced them because they were connected to survival and to becoming a pilot. The behavior I wanted to build was tied to something that mattered. That emotional anchor is what turns a checklist from a list of steps into a reliable performance system.
When you're coaching someone, the question isn't just "do they have the checklist?" It's: why does completing this checklist matter to them? The neural pathway from memory to emotion to action only activates reliably when the emotional anchor is present. A checklist without meaning is just a piece of paper.
Van Halen's Brown M&M Test
One of the more instructive checklist stories comes from an unexpected source. When Van Halen toured major venues, their production requirements were documented in an exhaustive technical rider. Buried in the middle was Article 126: a bowl of M&Ms in the dressing room with all brown ones removed.
"When I would walk backstage if I saw a brown M&M in that bowl, we'd line-check the entire production. Guaranteed you're going to arrive at a technical error. Guaranteed you'd run into a problem." — David Lee Roth
This wasn't a rockstar's eccentricity. It was a compliance test embedded in a checklist. If a venue missed the M&M clause, they had likely missed more consequential requirements too. In Colorado, a promoter failed to read the weight specifications for the stage, and the structure would have collapsed under the load. The brown M&M was the canary.
The lesson for coaches: a well-designed checklist tells you something about the quality of execution even before the critical steps are tested. Consistent performance on the small things is a leading indicator of consistent performance on the large ones.
What Makes a Good Checklist
Not all checklists work. A poorly designed checklist is either too long to use, too vague to act on, or disconnected from how the work actually flows. A good checklist has four defining characteristics.
It has a clear pause point — a natural breakpoint in the workflow where checking in makes sense. It is fast, taking under 60 seconds to complete with 5 to 7 critical items. It is a supplement to existing knowledge, not a replacement for it — it captures the key highlights for execution, not a full manual. And it is field-tested and iterative, improving over time through real-world use.
A checklist that takes 10 minutes won't be used under pressure. A checklist that covers 40 items isn't a checklist; it's documentation. The constraint is part of the design.
Building Checklists as a Coach
The Coaches Corner takeaway is direct: build checklists for yourself and for those you coach. Not as a bureaucratic exercise, but as a tool for consistent execution. The same discipline that makes aviation one of the world's safest industries applies to developing people.
Start by identifying the behaviors that, performed consistently, produce the outcomes you're coaching toward. Map the natural breakpoints in the workflow. Then build a checklist — short, fast, field-tested — that makes those behaviors visible and reinforceable. Keep the ego out of it. Even expert performers benefit from the cognitive safety net.
Checklist drives consistent performance. Consistent performance, over time, becomes excellence. That's not a motivational claim. It's the neuroscience.
If you're thinking about how to build stronger coaching habits and execution systems inside your team, let's talk about what that looks like at Braintrust.
