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


Flying Adventures!

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.


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

Jim and Amelia Isaacs posted a discussion
1 hour ago
Gerry Winch posted a discussion

Want to buy

I am looking for a good pilot side inboard flaperon.. If any one has one please let me know..Thanks See More
13 hours ago
David Fryday posted a video
14 hours ago
Adam Bobkowski posted a discussion

Prop advice for ULPOWER 260is

Hello, I am in the process of building CH701 with UlPower 260is. I am trying to match a perfect prop for this combination. From what I heard so far, the factory recommends a wood propeller. I am looking in to a composite prop from Whirlwind. Anyone…See More
19 hours ago
Robert M Bjorn posted a blog post

CH 300

   Hi All,  I recently acquired a partial started CH 300 but have not been able to track down a Builders Manual.  Does anyone have a manual that I could buy or borrow.  Looking forward to your replies,  BobSee More
20 hours ago
Terry Tanner posted photos
23 hours ago
CHRISTIAN TREMBLAY posted a discussion

CH-640 - Making a fiberglass fairing for my tail wing (part 2 of 2)

Hi guys,For video, click or copy this link : video series of 2, is about making Left and Right Fairings for the tail wing of…See More
Chris Hoare posted a discussion
Joe Donohue posted a discussion

Trutrak autopilot in a 601

I’m plan putting in a trutrak, bending king xcruze 100 autopilot system in my 601. Looking for feedback from anyone who has done this. Using a garmin 550 to drive it.See More
Gary Welch posted a discussion

Size of Allen key on donut clamps?

Lost the allen key for my donut clamp system. Anyone know the size?I did check and it's not listed in the install instructions. See More
Carlos Sa posted a photo


I had to re-write the EIS, as some of the libraries I used are now considered deprecated by Apple (I have a Mac).I used Python + Tkinter, but had to port to Python + PyQt5 because, on the Raspberry Pi, Tkinter does not support anti-aliasing…
Dean Marcott posted a discussion

Zenith 750 Cruzer wing strut fairing

I have designed a 3D printed wing strut fairing for the 750 Cruzer. We have been flying our Cruzer with these fairing for over a year now with no problems even in the hot weather here in the Houston area.I print them with Poly Lactic Acid (PLA) but…See More
Robert M Bjorn posted a discussion


Hello Everyone,  I've just acquired a Zenith CH 300 kit that has been ell started.  Unfortunately the original owner got alzimers and has since died. As a consequence there is not a builders manual with the parts and started assembly.      Would…See More
Rick Green posted a photo


CH 750 SD
Douglas Kupersmith posted a video


Checking out the autumn leaves at the top of the Appalachian Mountains' Skyline Drive in Virginia on a beautiful Fall day.
Lance Sorensen posted a discussion

pro seal use where ribs and skin join

Hello,I have ordered the Cruzer  kit to be delivered first part of March.  Having built an RV9A years ago and using pro seal liberally throughout construction where skins join ribs I wondered if builders are doing anything similar in building their…See More
John Austin posted a discussion


Anyone contemplating installing the Edge Performance EPeX150i in a Zenith design?  As I understand it, it is a completely overhauled to factory spec 4 cylinder Yamaha engine, 150 hp, weighs no more or even less than a Rotax 914, and under…See More
Kevin Beriault posted a photo
Mark Moore posted a video

Fall Colours - Kawartha Lakes "Heaven On Earth"

A short video, I was up flying this weekend as I wanted to catch the Fall Colours in the Kawartha Lakes from the air in the morning sunshine. I made the vide...
John Fisk posted a discussion

Throttle Cable

Building a Cruzer but i would guess it doesn't mater which model you build need to know what throttle cable is correct? will probably order from Aircraft Spruce and plan on dual throttle's and engine is Continental o200. any help would be…See More


New SB for the 912

Started by Jim and Amelia Isaacs in Rotax Engine Forum. Last reply by Perry Delano 12 minutes ago. 1 Reply

Want to buy

Started by Gerry Winch in Classified / For Sale Postings. Last reply by Gerry Winch 12 hours ago. 2 Replies


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, power distribution panel, Approach Fast Stack harnesses, 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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