CFI · Former Denver ARTCC Controller · Based at KLMO, Longmont CO

Both Sides of the Radio

21 years as a flight instructor. A former air traffic controller at Denver ARTCC, now working in ATC automation. If you're flying in Colorado or planning to, there's no substitute for someone who knows this airspace from both seats.

Joe Mattison with his aircraft at KLMOJoe Mattison in the cockpit

Hi, I'm Joe

I've been a certificated flight instructor since 2005, over 21 years of teaching pilots to fly safely and confidently. I hold a Commercial certificate with single-engine land, single-engine sea, and multi-engine land ratings, plus CFI and CFII credentials. I'm based at Longmont Municipal Airport (KLMO), elevation 5,000 MSL, with the Front Range and Rocky Mountains immediately to the west.

I spent years as an air traffic controller at Denver ARTCC, the facility that manages IFR traffic over some of the most complex mountain terrain in the country. Today I work in ATC automation systems. When I talk about Colorado airspace, ATC expectations, or Rocky Mountain IFR operations, I'm not reading from a textbook. I'm drawing on what I saw from the other side of the scope.

That combination of CFI credentials and ARTCC experience is uncommon. Most instructors teach what ATC wants. I can show you exactly how controllers think, what they expect, and where pilots most often create problems for themselves in this airspace.

21+
Years Instructing
ARTCC
Denver Center
5,000
MSL at KLMO
5
Certificates & Ratings
Based at KLMO · Longmont, Colorado

Flying in Colorado Is Different

Density altitude that robs performance before you leave the ground. Mountain weather that doesn't follow the textbook. ATC procedures shaped by terrain that most pilots never train for. Whether you're based here or flying in from out of state, this environment demands local knowledge.

🏔️

Terrain and Density Altitude

KLMO sits at 5,000 MSL. On a warm summer afternoon, density altitude can push well above 8,000 feet before you've left the valley. Mountain airports like Eagle, Aspen, Telluride, and Steamboat add elevation, short runways, and one-way traffic patterns to the equation. I fly and instruct in this environment regularly. It's not a special occasion.

📡

Rocky Mountain ATC: From the Inside

Denver ARTCC manages IFR traffic over and through some of the highest terrain in the lower 48. Complex sector boundaries, terrain-avoidance restrictions, military operating areas, and transition procedures that catch unfamiliar pilots off guard. I spent years working this airspace as a controller. I know what causes delays, what gets pilots busted, and what makes a pilot easy to work with.

Mountain Weather Decision-Making

Afternoon convective activity builds fast along the Front Range and over the Divide. Mountain wave can make a smooth 9,000-foot crossing into a handful in minutes. Valley winds, orographic lift, and rapid visibility changes are part of the routine. I'll teach you how to read what Colorado weather is telling you, and when it's telling you to stay on the ground.

✈️

Destination Pilots Flying into Colorado

You planned the trip, reserved the airplane or brought your own, and now you're flying into one of the most demanding environments in the country, probably for the first time. I offer pre-trip orientation, a local guide flight on arrival, or both. You'll leave knowing the terrain, the airspace, and exactly what ATC expects from you on that routing.

Footage from actual flights in the Colorado Rockies

Landing at Steamboat Springs (KSBS)

6,882 MSL

Steamboat Ski Area from the Air

Crossing Rollins Pass

Westbound · ~11,671 MSL

Crossing Rollins Pass

Eastbound · ~11,671 MSL

Flying over Monarch Pass in the Colorado Rockies

Monarch Pass · 11,312 MSL

Telluride Regional Airport (KTEX), a challenging mountain destination

Telluride Regional (KTEX) · 9,070 MSL

Flying into Colorado this season?

Let's connect before your trip. A one-hour conversation with someone who knows this airspace from both sides of the radio is worth more than any YouTube briefing.

Get in Touch

Services

In-person instruction based at KLMO and online tools available to pilots everywhere.

In-Person · KLMO, Longmont CO
🏔️

Mountain Flying

Density altitude operations, terrain flying technique, Rocky Mountain weather decision-making, and high-altitude airport procedures. Taught by someone who flies and works this terrain every week.

$100 / hour · KLMO and beyond
Book a Flight
🗺️

Destination Pilot Guide

Flying into Colorado from out of state? I'll serve as your local guide: pre-trip airspace briefing, on-arrival orientation flight, or both. Learn the terrain, the ATC expectations, and the mountain airports on your itinerary before you're on your own.

$100 / hour · Contact for packages
Plan Your Trip
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Flight Review

Your required flight review from a CFI who covers what actually matters, not just the minimum requirements. We'll talk through any areas where you want to sharpen up, and I'll give you an honest debrief at the end.

$100 / hour · Contact for scheduling
Schedule Your Flight Review
🎯

Instrument Proficiency Check

An IPC from a CFII who works Rocky Mountain IFR airspace regularly. We'll cover the procedures you'll actually use in Colorado, not just the approaches at your home airport. If you're current on paper but not in practice, this is where to start.

$100 / hour · Contact for availability
Get Current
Online & AI Training Tools
👨‍✈️

Mock Oral Checkrides

One-on-one oral exam simulation via FaceTime or Teams. I'll ask the questions a real DPE asks, follow up on weak answers, and give you direct feedback so the actual checkride feels familiar.

$100 / hour · Online
Book a Session
AI
🎓

Checkride Prep AI

Practice your oral exam on-demand with an AI examiner trained to think like a real DPE. Private, Instrument, and Commercial. Voice-enabled. Available at 11pm the night before your checkride.

$29 / month · Cancel anytime
Try Free Demo
🎙️

ATC Trainer App

AI-generated ATC scenarios for practicing ground control and IFR clearance readbacks. Built with authentic ATC knowledge, drawn from years working the actual controller's position.

$29 / month · Cancel anytime
Try Free Demo
BUNDLE DEAL

Get Both AI Tools: ATC Trainer + Checkride Prep

One subscription. Full access to both products. Save $9/month vs. buying separately.

$49/mo
vs. $58 separately
Get the Bundle

Free Aviation Content on YouTube

I share what I know, for free. On my YouTube channel I cover tips for flying in the national airspace system, behind-the-scenes looks at how ATC works, Colorado flying topics, and honest advice for pilots at every level.

With over 1,800 subscribers and growing, it's become a place where pilots come to finally understand the controller's perspective and what it actually looks like to fly in Rocky Mountain airspace.

Visit the Channel
📺
1,800+
Subscribers
Mountain Flying · ATC Insights · Colorado Airspace · Cockpit Perspective

Get in Touch

Whether you're planning a Colorado trip, due for a flight review, or looking to sharpen your instrument skills, send me a message and I'll get back to you.