Online community for active builders and pilots of Zenith Aircraft kits (Chris Heintz / Zenair light airplane designs).


EAA Zenith Build Project

Flying Adventures!

Flying adventures in Zenith STOL aircraft on DVD!

Super-bright LED lights for your Zenith:

These Zenair-branded 3-way wingtip-mounted LED lights from AeroLED are the brightest and highest quality LED lights available on the market today. Available at a great price exclusively for Zenith builders and owners.

Discussion Forum Search:


Welcome Zenith Aircraft Builders and Flyers!

Welcome to the Zenith and Zenair builders and flyers online community. Zenith.Aero is for and about Zenith aircraft builders and flyers. We invite you to explore and to share your own information... See for the official Zenith Aircraft website.


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Latest Activity

Terrence "Dr. Terry" Hall posted a status
"Connected radiator hoses, fuel line, wiring and built Stratux for ADS-B in 15 minutes. Nothing goes together that fast. 6 mo since start."
8 hours ago
Daniel Niendorff posted a status
"More interior work today. I added sound foam to the firewall and forward cabin walls and floor. Cut and bound forward floor carpeting."
10 hours ago
Daniel Niendorff posted photos
10 hours ago
Paul Sanders posted a status
"I saw the answer to this a couple of years ago, but not coming up now .... what thread lock to use on the windshield screws?"
15 hours ago
David Griggs posted a photo
18 hours ago
Zenith.Aero posted a blog post

STOL Aircraft Magazine - Tres Amigos

Look what we found at the local Barnes and Noble magazine…See More
19 hours ago
A photo by John Marzulli was featured
19 hours ago
Michael Doornbos posted a status
"Two people makes things go much faster. Both side fuselage skins done in 90 minutes working together"
23 hours ago
Jonathan Kreilich posted photos
Phil Smith posted a discussion

Packin Fuel

Looking fwd to the summer flying in Idaho and the back country air strips. From previous flights I have found that it would be better if I could "pack" five or so gallons of extra gas - I have the std 20 gallon setup.I have seen pictures of tanks…See More
Terrence "Dr. Terry" Hall posted a status
"Starting to plumb fuel lines and hoses for radiator and heater. Cannot find rear spinner for propeller in the Viking pile?"
Walt Snyder posted photos
Kurt Satter posted a discussion

701 Slats checkerboard mat and/or vinyl wrap

I have two sets of materials for checkerboarding 701 slats.  Both are 10'8" strips with ~110 mm squares.The first is yellow squares with adhesive backing.   The 2nd is 3M CLEAR vinyl printed with orange-red 110mm squares.  This material has upper…See More
Bruce Cobo posted photos
Terrence "Dr. Terry" Hall posted photos
Terrence "Dr. Terry" Hall posted a status
"Engine mounted after a long day, it is coming along nicely."
David J. Beaulieu posted photos
John Marzulli posted photos
Mark posted a discussion

Basic Electrical Diagram

Guys, this is my initial thought as I'm designing the electrical system. I'm trying to keep it as simple as possible but well protected. There's a few other items not shown because they will be connected to circuit breakers. Those are the ECU, Flap…See More
Jim Derickson is attending Doug Dugger's event


May 13, 2017 all day

Blog Posts

90% done, 90% to go

Posted by John Burns on April 13, 2017 at 6:51am 6 Comments

Flap actuator

Posted by Tom Anderson on April 12, 2017 at 9:38pm 3 Comments

C-FPQO First Flight

Posted by Vance Lucas on April 8, 2017 at 10:30pm 3 Comments

Elevator Cable Bungee Question

Posted by dschmaz on April 7, 2017 at 6:31am 2 Comments

Wanted Engine Mount

Posted by Mitchell Hargin on April 2, 2017 at 5:33pm 0 Comments


New from Zenith:

Weather Maps

Custom Instrument Panels
for your Zenith

Custom instrument panels are now available directly from Zenith Aircraft Company exclusively for Zenith builders and owners. Pre-cut panel, power distribution panel, Approach Fast Stack harnesses, Dynon and Garmin avionics, and more.

New Custom Upholstery Kits for your Zenith Aircraft:

Zenith Vinyl Upholstery Kits

New Zenith Apparel from EAA:

Zenair Floats

Flying On Your Own Wings:
A Complete Guide to Understanding Light Airplane Design, by Chris Heintz.

Builder & Pilot Supplies:

Zenith transition training

and Sport Pilot:

Quality Sport Planes
Cloverdale, California:

Building and flying supplies:

For Sale

Zenith Aircraft For Sale 

Classified listing for buying or selling your Zenith building or flying related stuff...

How-To Videos from

Developed specifically for Zenith builders (by an actual builder) these videos on DVD are a great help in building your own kit plane by providing practical hands-on construction information. Visit for the latest DVD titles.


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Created by Zenith.Aero Dec 23, 2008 at 10:10am. Last updated by John Austin Aug 20, 2015.

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