Is there a significant benefit to verbalizing checklist items in a single pilot operation?

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My answer to Is there a significant benefit to verbalizing checklist items in a single pilot operation?

Answer by Thomas Zerbarini:

Yes,

The way I practice and I’ve always taught good checklist discipline is to invlove multiple human sensory organs in accomplishing and checking the items. It is also important to move through the check items at a slow pace. Too many times I see pilots whip through checklist like its a race to be the fastest…that’s when items get missed.

Most smaller aircraft checklists are Read and Do lists. The pilot reads the checklist and does the task at the same time. For these checklist I recommend:

  • First Read and Speak the actual checklist you are about to accomplish (“Before Takeoff Checklist.”)
  • Read and clearly Speak out loud the checklist item at a pace that allows you to think about what you are reading and why that item is being checked. (This will give you time to consider limitations, weather conditions, performance, etc… for the setting of the item; like ice protection)
  • After you read and speak, “Look” and then “Touch” the item that you are checking and again verbalize its position to confirm its proper setting.
  • Then move on to the next item.
  • When all items are complete then read out loud the Check list name and state “Before Takeoff Checklist—Complete.”

Many larger aircraft or airline operations use a Flow-Do, Read-Check Checklist procedure. Many of these involve a crew arrangement but the process is the same for single pilot operations as well:

  • A “checklist flow” is a flow pattern developed as a standard to accomplishing the tasks of more advanced aircraft. The “flow” allows you to accomplish all of the checklist items without disruption, then follow up with a Read and Check.
  • After a “Checklist flow”, the accomplishment of the checklist is a Read and Check list.
  • Again, First Read and Speak the actual checklist you are about to accomplish (“Before Takeoff Checklist.”)
  • Read and clearly Speak out loud the checklist item at a pace that allows you to think about what you are reading and why that item is being checked. (This will give you time to consider limitations, weather conditions, performance, etc… for the setting of the item; like ice protection)
  • After you read and speak, “Look” and then “Touch” the item that you are checking and again verbalize its position to confirm its proper setting.
  • Then move on to the next item.
  • When all items are complete then read out loud the Check list name and state “Before Takeoff Checklist—Complete.”

During single pilot operations it is important to verbalize because you don’t have the luxury of a second pilot cross-checking your actions. With a 30% higher chance of an accident in single pilot operation, it is best to stay disciplined and professional.

Thomas Zerbarini

Is there a significant benefit to verbalizing checklist items in a single pilot operation?

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