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

Jonathon Payne posted photos
5 hours ago
Stephen M. Eastham posted a discussion

Voltage regulator for Spyder 120 HP

Is anyone using a different voltage regulator than the one supplied by Azalea for its 32A permanent magnet alternator? I'm looking to incorporate a switch and light to the alternator via the voltage regulator but the voltage regulator only has one…See More
6 hours ago
Angel Rosa posted discussions
7 hours ago
Nolan Konkle posted a status
"Interested in the 650"
12 hours ago
Zenith Aero posted a photo

Electric Zenith Flies! First flight of the all-electric Zenith CH 750 Cruzer

All-electric Zenith "Sky Jeep" completes first flight, with plans to transport doctors and medical supplies in remote areas of the world.Details and more photos:…
A blog post by Zenith Aero was featured

Electric Zenith Flies! First flight of the all-electric Zenith CH 750 Cruzer

All-electric Zenith "Sky Jeep" completes first flight, with plans to transport doctors and medical supplies in remote areas of the world…See More
A photo by Phillip Barnes was featured

Zenith STOL CH 701 "Sky Jeep"

Zenith STOL CH 701, with Rotex 912ULS
David Long posted a status
"Picts of latch system under photos tab"
David Long posted photos
David Long posted a status
"Installing a 650 canopy latch with our 601xlb canopy with kit and plans from zenith."
Jonathon Payne posted photos
Jernej Verbovsek posted a discussion

LOOKING for CH701 windshield

Looking to buy new or in very good condition CH701 windshield, part # 7F19-11. Anywhere in Europe. See More
joseph aloof posted a discussion


I am buying a 601 xl and have the chance to put on a 235 lyc engine, wondering if anyone has this set up and hows your performance??See More
Dale Walters posted a discussion

Flightine FL-760 radio for sale - $500

Great working used FL-760 com radio for sale. Sorry, no cable availableFlightline FL-760 VHF Comm Panel Mount Transceiver2-1/4" Panel Mount Aviation Transceiver.Flip Flop Frequency SelectionBuilt-In 4-Place VOX IntercomBacklit Display32 Programmable…See More
John Schaper posted a discussion

Gearbox coupling replacement

Jan,What is the recommended timeframe for a gearbox coupling replacement on my HF-110?See More
Jonathon Payne posted photos
James Geale posted a discussion

801 ECI Titan oil cooler recommendations

Hi there, I’m hoping to pick up some advice on oil cooler installs for my recently purchased 801 powered by ECI io370. The cooler is a 7 fin exchange mounted in front of number 2 cylinder and clearly too small for the job. My thoughts are replacing…See More
Phillip Barnes posted photos
Zenith Aero posted a status
"If you missed the EAA Webinar about Zenith (from 1/25/23), here's the link to the recorded version:"
Guy Magnuson posted a discussion

912is return line

Has anyone had experience with installing a 912is in a CH 650.   There is an excellent video by Sky Tech and Rotax for installing the 912is in a 750.  The 750 uses a header tank which would be overly complicated in a low wing 650, as gravity can’t…See More


CH 650B for sale

Started by Richard Benson in Classified / For Sale Postings. Last reply by Richard Benson 2 hours ago. 15 Replies

Corvair Motor mount For Sale

Started by Angel Rosa in Classified / For Sale Postings. Last reply by Angel Rosa 5 hours ago. 2 Replies

Anyone have a UL 520IS or T on a 750 SD ?

Started by Joe Bates in UL Power Forum. Last reply by David J. Beaulieu 5 hours ago. 6 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, 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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