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:


25th Anniversary: 1992 - 2017


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

Zenith Aero posted an event


May 12, 2018 from 9am to 3pm
Quality Sport Planes is hosting their spring Open Hangar Day and Zenith Fly-In on…See More
2 hours ago
Buzz Air Flight Academy posted a status
"Buzz Air has a busy day today. Training in the 750 and 601 with the Stone's, husband and wife team! Walt is going on his solo cross country."
3 hours ago
Raffaele Signorile posted a video
13 hours ago
Buzz Air Flight Academy posted photos
Gil DeVault posted a discussion

500 mile+CC

Getting ready to make my first flight to Houston TX area. That will pretty much be a straight shot for me and I will barely enter Houston's "B" airspace. I'm having my transponder checked Thursday. A repairman come to our airfield ,KUBX, and checks…See More
Tom Sullivan posted a discussion

UL 350is Fuel Requirements

I found a service station in our area selling 110 R+M/2 racing fuel. It is 13 bucks/gal. What are UL engine owners finding that works in this engine? I know of using an additive to combat the lead in 100LL but am curious about mixtures of fuels. …See More
Joshua smith posted a status
"Had a 10 day break from building while waiting for thaw..hasn't melted yet. Back to building!"
Dick Miles posted a status
"Ailerons do not line up on wing with flaps. Have to use full left aileron trim to fly. How to fix?"
Dick Miles posted a status
"Can find nothing on this in builders papers. What are these small bungees and cables for at end of baggage compartment? See picture."
Dick Miles posted a photo
Walt Snyder posted a photo
Gil DeVault posted a discussion

Houston TX

I want to fly my XL to the Katy TX area wondering if any of you have time in that area and can make recommendations. would be coming from KUBX Cuba MOSee More
Martin Pohl posted a photo
David Plumley posted a blog post

recently acquired zenith Acro ch 150

have no info or  can't. get any advice on this aircraft. the build is 85%. minus engine I know they stop making them back in the 80's. please help!See More
Curtis M. King posted a status
"Worked on install of new replacement Four position Flaperon Lever."
Curtis M. King posted photos
Jim and Amelia Isaacs posted photos
Jim and Amelia Isaacs posted a status
"Disassembled aircraft to prepare for paint and built a rotisserie to make the job easier"
brad cohen posted a discussion

Flap actuator motor wanted

Hello AllMy 601XL (Ser # 6-5803) has the old worm gear-style  flap actuator motor with the micro switches. As I understand, a year or two after I bought my kit, Zenith replaced the worm gear flap motor with a linear style (Zac part #…See More
Jan Eggenfellner posted a discussion

Blog Posts

Canopy gas cylinders

Posted by Dick Miles on April 7, 2018 at 11:09am 3 Comments

Rudder Vibration on take off

Posted by Robert Emery on April 6, 2018 at 4:10pm 5 Comments

Thaw in the way

Posted by Joshua smith on April 6, 2018 at 10:35am 0 Comments

Riveting firewall

Posted by Joshua smith on April 1, 2018 at 12:23pm 0 Comments

DAR inspection

Posted by Mitchell Hargin on March 28, 2018 at 5:58pm 2 Comments

A Zenith Builder in Ghana

Posted by David J. Beaulieu on March 24, 2018 at 9:30pm 2 Comments

Flaperons ailerons

Posted by Mitchell Hargin on March 22, 2018 at 8:03am 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:

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.


Zenith transition and Sport Pilot training:

Quality Sport Planes
Cloverdale, California:

Wheels & Wings

Pro Builder Assistance

For Sale

Zenith Aircraft For Sale 

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

Building and Pilot Supplies

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


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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 Feb 3.

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