Grumman Parts Marketplace

06/02/2026

Enhancing our TrioAutopilots Website Today.

https://trioautopilots.com/project/cessna-150-trio-certified-autopilot-garmin-g5-gtn650/ Check out this C150

Transforming a classic Cessna 150 into a modern Technically Advanced Aircraft with dual Garmin G5 flight displays, Garmin GTN 650 GPS navigation, JPI engine monitoring, and a Trio Certified Autopilot.

05/26/2026

What is the real cost of upgrading and installing an autopilot in 2026?

Let's talk about what a certified autopilot actually costs to install in 2026.

Because the number Garmin advertises and the number you write the check for are two very different things.
Garmin's headline: "GFC 500 starts at $6,995"

What that footnote doesn't say upfront: that price assumes you already own a G5 electronic flight instrument. Most legacy Cessna, Piper, and Grumman owners don't.

Here's what a clean-sheet GFC 500 installation actually looks like, using Lafayette Avionics' own published pricing:
GFC 500 base installed: $18,995
G5 attitude indicator (if you don't own one): +$5,995
G5 HSI with GAD29B adapter and GMU11 magnetometer: +$7,995
Real total $32,985+

Compare that to a complete Trio Pro Pilot installation:
Unit + STC kit: $6,640

Labor — 40 to 45 hours at your local A&P/IA: $4,000–$6,750
No mandatory EFIS purchase. Use the GPS you already have.
Real total: $11,000–$14,000

I'm not going to pretend the GFC 500 isn't a great autopilot:
If you fly ILS approaches to minimums regularly and/or you're already deep in the Garmin ecosystem, the GFC 500 may be worth the premium. It couples to ILS approaches to minimums. The Trio does not. That's a real difference, and you deserve to know it going in.

But for the majority of Cessna owners, the Piper owners, and Grumman AA5-AG5B Tiger owners who want a modern certified two-axis autopilot without rebuilding their entire panel — the Trio Pro Pilot is the better financial decision.

Both can fly GPS approaches with vertical guidance. Both maintain altitude, both track GPS courses, both have envelope protection, and both have a level button.

The difference is what you don't have to buy with the Trio.

Questions about your specific aircraft, panel, and mission? That's exactly what the free consultation call is for. No pressure. Just an honest look at your setup and mission.
📞 540-309-6427
✉️ [email protected]
🌐 trioautopilots.com/panel-consultation-request

05/22/2026

Grumman AA-5 owners have more certified autopilot options than most people realize — and the cost difference is significant. Here's the real breakdown."

05/18/2026

I just launched a dedicated Trio Autopilots page to answer installation and panel integration questions directly under that brand.

If you're researching a Trio system or working through an install, this is where I’ll be posting structured guidance and answering questions in detail:

If you want help, just drop your aircraft + panel setup, and I’ll walk you through what a realistic install looks like.

The Trio Pro Pilot certified two-axis autopilot — expert panel consultation, aircraft compatibility, and installer coordination included. Cessna, Grumman, and Piper. Call Jeff.

04/24/2026

After a lot of work behind the scenes, I’m pleased to announce the launch of the new Grumman Technical Library:

https://library.grumman-parts.com

This is a free resource built for Grumman owners, pilots, mechanics, and shops who need fast access to the technical information that matters—without digging through old forums or broken links.

Inside, you’ll find organized access to:

• Type Certificate Data Sheets (TCDS)
• Airworthiness Directives (ADs)
• Service Bulletins
• Service Letters
• Service Kits
• Accessory Kits
• Aircraft-specific resources by model
• Historical technical references for the entire Grumman-American line

The goal was simple: create a clean, reliable, easy-to-use reference library to help owners properly maintain and support these aircraft.

Whether you fly an AA-1, Cheetah, Tiger, Traveler, Lynx, Cougar, or another Grumman airframe, this should save you time and make it much easier to find accurate information.

As always, if you need parts, support, or help sourcing hard-to-find components, that’s what we do every day at Grumman-Parts.com.

I hope this helps the community.

— Jeff Johnson
Managing Director
Grumman Parts

The Grumman Technical Library Free manuals, airworthiness directives, service bulletins, and technical documentation for every Grumman AA and AG series aircraft — maintained by a fellow Tiger owner. Shop Grumman Parts →Can't Find a Part? → 800+ Products4.95★ Store Rating300+ ReviewsAuthorize...

04/17/2026

🔧 Sun 'n Fun Special ends April 20th — Free Shipping + No Sales Tax on SureFly Electronic Ignition.
Tired of that $850+ Slick 4371 overhaul every 500 hours? There's a better way. FAA-certified. Drop-in. No more 500-hour inspections — ever.
👉 https://grumman-parts.com/product/engine/grumman-ignition-parts/surefly-faa-certified-electronic-ignition-magneto-replacement/

Here's what Gordon F., flying his Tiger out of KBJC, told us after installing his: this is Jeff

"My fuel burn went from 9 GPH at high cruise to 7.5 GPH at 8,500' MSL. When I pulled the plugs at my last two annuals, the ones on the SureFly side were much cleaner."

I installed one on my own '75 AA5B — that's it in the photo below. The difference at altitude is real. Better climb, smoother operation, and no more cringing when 500 hours rolls around.
✅ FREE Shipping
✅ NO Sales Tax
✅ Authorized SureFly Reseller Since 2019
Questions? Call or text me direct: 540-309-6427

04/14/2026

Fraudulent Website Alert
https://www.aeropartswarehouse.com/?s=grumman&post_type=product

WARNING: THIS SITE IS 100% Fraud. Please repost in other aviation groups.

Jeff

CDS-GRUMMAN – DIGITAL SENDER, GRUMMAN AA5/AG5, 2pc CiES Digital Fuel Quantity Senders For Cessna, Beech, Piper, Maule, Mooney, Cirrus, and more The CiES digital fuel quantity system utilizes a high technology sensor system that allows repeatable measurement of fuel in the aircraft tank. This senso...

03/25/2026

Interesting data point for the Grumman community:

I pulled FAA transfer activity for the last 90 days on Grumman American aircraft and found 39 ownership transfers between December 27, 2025 and March 19, 2026.

Breakdown by model:
AA-5B Tiger — 15
AA-1B Trainer — 10
AA-5A Cheetah — 6
AA-5 — 3
AA-1C Lynx — 3
GA-7 Cougar — 2

Top states:
Texas — 6
Arizona — 5
Florida — 4
Mississippi — 3
Tennessee — 3

To me, that says something important: our airplanes are still changing hands, still being flown, and still attracting new owners.

That also means there are quite a few people entering Grumman ownership for the first time who may be figuring out parts sources, common upgrades, maintenance items, manuals, and who to call when they need help.

If you are a new Grumman owner, or if you know someone who just bought one, I’ve put a lot of effort into building a useful resource at Grumman-Parts.com for exactly that reason.

Take a look here:
https://grumman-parts.com

Also curious: if you bought a Grumman recently, what model did you get, and what is the first thing you’re working on?

Learn more about Purchase and other helpful information for Grumman aircraft owners and maintainers.

03/20/2026

Autopilot reality check:

Century and S-Tec systems are getting harder to support every year — and the question of what to do next comes up consistently in groups like this.

Most owners I talk to fall into one of three camps: repairing and hoping the parts hold out, flying without autopilot for now, or ready to upgrade but not sure where to start.

If you're in that third group, the Trio Pro Pilot is worth a serious look. FAA certified, flexible across panel setups, complete installation kits, and support from people who actually answer the phone.

I help owners like you figure out whether Trio makes sense for your specific airplane. Sometimes it does, sometimes it doesn't — I'll tell you either way.

Message me, call 540-309-6427, or start at TrioAutopilots.com.

Which camp are you in?
— Jeff

02/05/2026

Question for the group: When did you realize your panel was holding you back?

For me, it was a specific moment - I was hand-flying IFR in turbulence, trying to brief the approach, and thinking “there has to be a better way to do this.”

But then I looked at my panel and had no idea where to even start:

∙ Which equipment do I actually need vs. nice-to-have?
∙ What works together and what doesn’t?
∙ Can I do this in phases or does it have to be all at once?
∙ How do I even explain what I want to a shop?

Felt overwhelming. So I put it off for another year.

Anyone else ever been in that place? You know your panel needs updating, but the whole process just feels… complicated?

Curious what finally pushed you to actually do something about it (or if you’re still in the “I should probably do this someday” phase).