Originally Posted by
43Inches
Hmm, I'm a bit suspicious of anyone that quotes $12 per hour for maintenance for a 40-50 year old Arrow airframe, that's only $1200 every 100 hourly. If you operate off tarmac you might chew that up on tyres alone before anything mechanical goes awry.
Note that the video includes $3000 for annual in the 'fixed cost' column, so for a 100-hour year, you might call it 3000/100 + $12 = $42/hr for maintenance. The numbers presented seem pretty realistic to me (for the USA), except for fuel cost, which is probably higher with present costs.