Personal Profile
@gulfstreamguru
Mike Brown
Founder · Lead Technician
OnChain Aviation LLC
OnChain Aviation LLC
CALLSIGNGULFSTREAMGURU
BASEKSAV · SAVANNAH GA
SPECIALIZATIONGULFSTREAM FLEET
YEARS EXP25+ YRS
STATUS● ACTIVE
The Founder · Off-Hours
The hands behind @gulfstreamguru.
Twenty-five years on Gulfstream taught me how the work actually gets done. This is where I share the lessons, the squawks, and the systems behind them — and OnChain Aviation is the company I built around them.
A&P Certified
NCATT AET
G650 Master Tech
Avionics Master Tech
USMC Veteran
VOSB
Latest Video
Why Gulfstream's "phase" inspections never fit my hangar
Walking through the calendar/hourly/light-scheduled model and why it actually maps to how operators fly.
Latest Post
Reading a G650 squawk like a story, not a checklist
What 20 years on Gulfstream taught me about what's actually wrong vs. what the sensor says is wrong.
Featured Thread
Six things I'd tell a 25-year-old A&P starting today
What I'd repeat. What I'd skip. What I'd push every young tech to chase first.
Looking for actual maintenance work?
The day job lives at onchain.aero — Gulfstream maintenance, blockchain-anchored records, and AI-assisted fleet ops out of KSAV.