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


Chris Heintz, 1938 - 2021

Remembering Chris Heintz

Read the homage to a man and his dream, and illustrated biography of designer Chris Heintz's professional life.


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

John Austin posted a discussion

Heater Fan Idea

My cabin heat is fed outside air through a NACA duct on the side of the cowl (Jabiru 3300).  NACA ducts are great to smoothly and passively flow air, but since it's not an air scoop, the flow is rather anemic!  I recently…See More
10 hours ago
Jim Malugin posted a discussion

AN7 bolt length for O-235 Engine Mount to Engine

Anyone know the AN7 bolt length for a O-235 Dynafocal Engine Mount to Engine ? Looking for the Dash number? I will be using the Aircraft Spruce MFR Model# 50402-5 ASSY set mounts. Thanks for HelpJim MaluginSee More
17 hours ago
John "Allen" Walker posted discussions
John "Allen" Walker posted photos
Zenith Aero updated an event

Zenith Hands-On Workshop in Texas: February 11 & 12, 2022 at Boerne Stage Airfield (5C1), north of San Antonio, Texas

February 11, 2022 at 9am to February 12, 2022 at 3pm
(Above, photo from the 2021 Texas event. View video)FULL WORKSHOPThis workshop class has reached…See More
Eric Johnson posted a discussion

701 bubble doors for sale

When I bought my used 701 it came with bubble doors. The builder didn't like the way the originals fit, so he bought another pair. He installed the left door and realized that didn't fit any better than the first one. Zenith doors are known to not…See More
Matt Pope posted a discussion

Fuel lines - rubber, Teflon, or aluminum?

It's time to replace my old rubber fuel lines and I'm considering switching to aluminum or braided steel/Teflon so I don't have to do this again in five years. Has anyone studied the merits of each hose type? Intuitively, the braided steel with…See More
Jim Malugin posted a discussion

Looking for any info on a Lycoming YO-233 engine

I found a Lycoming YO-233 engine for sale, does anyone have any information on this engine going into a Zenith 650B. Is the engine mounts the same as the 235 ?Would a 235 cowing work ?Thanks for any helpJim See More
Matt Pope posted a discussion

Experimental aircraft business practices (a rant)

I'm new to experimental aviation, so I'm not sure if what I'm about to describe is considered acceptable in this industry, but I've been buying some things to upgrade my new-to-me CH-701 and so far I'm baffled by the business practices I'm…See More
Zenith Aero posted a video

Zenith Update (January 2022): Let's Go Flying!

Zenith Aircraft's Sebastien Heintz and Roger Dubbert go flying over fresh snow in central Missouri in the STOL CH 750 Super Duty, while discussing upcoming e...
Kevin Purtee posted a discussion

Throttle linkage for 601/Jabiru

I've put a Lycoming on my 601 and converted to a single cable throttle system.  I'm selling the Jabiru’s two cockpit cables, the connecting bar, and the cable connecting the bar to the carb. $100.  Text me at 903-423-0054. KevinSee More
Terry D Hobert posted photos
Jan 19
Allan Gratia posted a photo
Jan 19
Josef Wojtanka posted photos
Jan 19
Dean Youngblood posted a photo
Jan 19
Dean Youngblood posted photos
Jan 19
Alain GUILLEMETTE posted photos
Jan 19
Zenith Aero posted an event

EAA Webinar: Zenith Aircraft Kits & Plans (as part of EAA Homebuilders Week) at Online

January 26, 2022 from 2:30pm to 3:45pm
Join EAA on January 24-28, 2022, during the second-annual EAA Homebuilders Week online event. Experts from the homebuilt aircraft community will…See More
Jan 17
Brent W Zimmerman posted photos
Jan 16
Glen Bradley posted a status
Jan 16

New from Zenith:

Zenith Planes For Sale 

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

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, Dynon and Garmin avionics, and more.

Custom Upholstery Kits for your Zenith Aircraft:

Zenith Vinyl Upholstery Kits

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:

How to videos from

Developed specifically for Zenith builders (by a 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.

Aircraft Insurance:


West Coast USA:

Pro Builder Assistance:


Transition training:

Golden Eagle Aviation

Pianosa Flying Farm

Aircraft Spruce & Specialty for all your building and pilot supplies!

For Sale

Zenith Aircraft For Sale 

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


Follow Up Report:


Member Rules

Since this is an online community, there are a few rules that need to be followed.  We'll try to keep the rules as simple as possible and to a bare minimum and we'll change and update them as required.

RULE#1:  You'll need to use your real name, and be an actual builder, owner or flyer of a Zenith aircraft.  This site is an online…

Created by Zenith.Aero Dec 23, 2008 at 10:10am. Last updated by John Austin May 29, 2019.

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