Most stupid/embarassing thing i ever had was when i had my welcome party at Sobelair (Belgian airliner). When i was in flight school Sobelair was in deep need of F/O's (copilots) for their B767 fleet. The three best of the class would be given a seat in one of those babys. Finished flight school second best, did my B767 type rating and was given a seat in a Sobelair B767. They throw this big welcome party for the three of us. We arrived at the airport and the first thing that happened was a technishian on the tarmack asking us if i could drive one of the birds to the hangar for somekind of oil press prob. We took our seat, fired up only the right engine (number 2) because, why start two engines to just taxi it, right? We drove it to the first intersection and applied brake and the thing well...... it didn't stop..... just kept going. We kinda started to panic and parcked it in the dirt with it's nose wheel while everyone was watching. It appears that the press for the brakes only functions on the left engine or the APU (wich we also didn't fire up). Well, this was our first meeting with our new colleges..... kinda embarassing BIGtime.
The aircraft was pulled out the dirt with it's nose wheel, an experienced captein took the seat, fired up BOTH engines and drove it to the hangar. No damage was reported
