Complacency: An Aviation Downfall

 

Complacency

        In the world of aviation, job experience is usually one of our strongest features.  However, there is a point where experience can turn dangerous, this is known as complacency.  As one of the FAA’s 'Dirty Dozen' human factors (FAA, 2012), complacency happens when those routine tasks become so familiar that we stop looking for the unexpected.  Sometimes it may feel like confidence, but complacency is actually a state of satisfaction that has led to avoidable tragedies in aviation history.
The Tragedy

 While cruising at 24,000 feet, an 18-foot section of the upper fuselage tore away due to explosive decompression, leaving passengers exposed to the sky.

 Investigation by the NTSB revealed that maintenance inspectors had failed to detect numerous small cracks in the lap joints of the aging aircraft.

 Because the inspectors had performed these routine visual checks hundreds of times without finding issues, they fell into a state of satisfaction.  They missed over 140 cracks because they no longer expected to find them, proving that common routines can be someone's downfall (Spiteri, 2025). 
 The Fix

How do we combat complacency?  We have to stay engaged with our tasks, whether its maintenance, inspections, or flying.  Regardless how minute a task may seem, we have to treat them all with the same importance to avoid tragedy (Federal Aviation Administration, 2018).  It is vital that we perform all documentation properly the first time, so instances like the ones above do not continue to occur.

References:

FAA. (2012). Avoid the Dirty Dozen. https://www.faasafety.gov/files/gslac/library/documents/2012/Nov/71574/DirtyDozenWeb3.pdf

Federal Aviation Administration. (2018). Aviation Maintenance Technician Handbook- General Aviation Maintenance Technician Handbook- General. https://www.faa.gov/sites/faa.gov/files/regulations_policies/handbooks_manuals/aviation/amt_general_handbook.pdf

Spiteri, I. G. (2025). Article 2: Uncovering the Failures – The Investigation and Human Factors of Aloha 243. Aviathrust.com. https://www.aviathrust.com/article/Aloha-Flight-243-ARTICLE-SERIES-2


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