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

David J. Beaulieu posted a photo

Oil leak

In case any UL350iS operator is wondering...this is what a front seal oil leak looks like...maybe! Still figuring it out.
13 hours ago
A video by Zenith Aero was featured

Can your Homebuilt Aircraft have Too Much Power?

Experimental Aircraft designers specify guidelines for the size of the aircraft engines to be used. What happens if you use a larger (more HP) engine than is normally used? What effect does this have on flight characteristics? In this video, we show…
jeff will posted photos
Keith Ashcraft posted a discussion

Rotax 912ULS with 912UL crank and crankcase

All,I have the opportunity to purchase a Rotax 912ULS with 912UL crank and crankcase. What are the PROs and CONs? I can purchase a 912ULS that has been rebuilt with a 912UL crank and crankcase. What would be any issues?KeithCH701 scratch buildingSee More
Lesieur Dominique posted a photo

Zenith CH 601 XL-B

Zenith CH 601 XL-B
Carl Orton posted a discussion

Any ideas on running the fuek/pitot/electrical lines to the fuse bottom?

Well, it was a frustrating evening.I planned on running the above lines down the fuselage channel, similar to what John Austin (i think) did.I"m not happy with what I've done so far. I thought I'd just run the pitot/static, fuel line, fuel sensor…See More
Zenith Aero posted a video

STOL and Speed: Super Cruzer

Is it possible to get both STOL performance and SPEED in a light sport aircraft? Check out Michael Hille's custom-built Zenith CH 750 Cruzer! Watch the full ...
Boyd Emmel posted a status
"Tail components are complete. Working on the wing slats and flaperons."
John Austin posted a discussion

Want to buy Nflightcam Audio Solution for GoPro Hero 5 - Hero 8

Looking for a Nflightcam Audio Solution cable for my GoPro Hero 5:If you have one for sale in good working order, contact me…See More
Raffaele Signorile posted photos
Dec 9
dschmaz posted a photo
Dec 9
Raffaele Signorile posted a video

October 2019 Flight back from virginia

Quando le conditioni meteo cambiano
Dec 8
David J. Beaulieu posted photos
Dec 7
Jason R posted a status
"Elevator nose skins fitted, upper and lower elevator horns fitted including front and rear brackets and trim tab actuator slot cut out :)"
Dec 6
Todd Scruton posted discussions
Dec 6
Patrick Hoyt posted photos
Dec 6
Brad Payne posted a discussion

DUC prop washers

I have been adjusting the pitch of my DUC prop and have noticed that the bolts are no longer holding their torque and the washers stay flat when loosened.Does anyone know where to order replacement washers and how many times you can loosen/tighten…See More
Dec 5
Scott Smith posted a discussion

Question regarding 701 build

So what is the reasoning behind the 2 piece longeron on the aft fuselage?  All four longerons call for an overlap and splice in the center.  I would think running one continuous piece would be stronger.  (I am building an older 701 kit)See More
Dec 4

Blog Posts

Latest Update Picture

Posted by dschmaz on December 9, 2019 at 7:18am 0 Comments

Throttle Reversing Bell Crank

Posted by John Austin on November 26, 2019 at 9:30pm 3 Comments

Part 4 Flap Bending

Posted by Damon Brantley on November 25, 2019 at 11:30am 0 Comments

Short encouragement video

Posted by John Heather on November 9, 2019 at 7:51pm 1 Comment

100 Hours!

Posted by Mark Baenen on October 29, 2019 at 8:40am 2 Comments

Flying my 601XLB

Posted by Glenn Johnson on October 21, 2019 at 5:37pm 1 Comment


601 HDS Kit

Started by Derrick E. Dodson in Classified / For Sale Postings. Last reply by David Orr 8 hours ago. 4 Replies

601 HDS kit available

Started by Harmen van der Velden in Classified / For Sale Postings. Last reply by David Orr 8 hours ago. 1 Reply

For Sale: Zenith CH-750 STOL N966ST SOLD

Started by RANDY L HALLOCK in Classified / For Sale Postings. Last reply by Alexander Heap 15 hours ago. 6 Replies

Air Compressor Setting

Started by Robert Pionteck in Open Discussion Forums (non model specific). Last reply by Brad Rawls 17 hours ago. 14 Replies


New from Zenith:

Zenith Planes For Sale 

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


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.

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

Pro Builder Assistance

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.

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