No loaner engine? Keeping a charter aircraft flying through an engine event
When the OEM rental pool is dry, where else to find a lease engine, what it really costs, and how early to start.
Read the note →Home / Field notes
Field notes
Short, practical notes on the things that ground aircraft and cost operators money. Free to read and share.
MEL repair intervals: the day-of-discovery rule and the CDL trap
Why a Category B deferral can look one day shorter in your software than it really is, and why a CDL item may be sitting on a 120-day clock it doesn't have.
Read the note →Read the whole MEL line
One landing light out, and someone says you can't fly at night. Usually you can. How to read an MEL item the way it's written.
Read the note →False FULL: why lav sensors keep failing (and usually aren't)
Most removed waste-tank sensors test No Fault Found. The fix is in the servicing, not the parts bin.
Read the note →The Revenue Trinity: when to ground an aircraft
Three rules for scheduling maintenance so it costs the fewest flying days: ground less often, ground in slow months, and never overlap.
Read the note →Free download
Maintenance Control Quick Reference
The one page every controller should have pinned at the desk.
- MAP-IT daily priorities
- MEL repair categories and the day-of-discovery rule
- Maintenance event codes
- Flight Support and passdown message templates
- What always gets escalated