Starting aircraft document search from first entry instead of last entry 
Inability to determine required aircraft inspections 
Assuming all aircraft have MELs 
Not able to use Kinds of Operation Equipment List in accordance with FAA Regulations 
Failure to understand MEL requirement in large or turbine-powered aircraft and its relation to 91.203 (All things must work in large/turbine unless has MEL) 
Thinking reporting squawks is a bad thing or causing &quot;trouble&quot; 
Thinking asking to see aircraft maintenance logbooks is a bad thing or &quot;causing trouble&quot; 
Thinking that because a commercial operation or flying club gave you the keys for the aircraft, the aircraft is in compliance with all inspections. There is no &quot;right of reliance.&quot;