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

kim wilson posted a discussion

AME familiar with 701

Hi allI am wondering where I can find an AME familiar with the 701 in the Ontario/Quebec areaThanksSee More
59 minutes ago
Peter Eiberger posted a photo
2 hours ago
Norm Neuls posted a discussion

750 Strut Fairing

I have turned my 750 STOL in to sort of a hybrid.  I removed the LE slats some time ago in order to see a bigger number on the A/S indicator and at my age I'm not landing on 400 ft. gravel bars - might have 50 years ago!  I inquired of Roger a while…See More
7 hours ago
Don Guice posted a discussion

601XL landing gear for sale

Cleaning out the hangar! Last item from parting out my 601XL, grove landing gear. $500 plus shipping.Don Guice 832 257 2717, Mike Goebel 832 628 5660See More
Kenneth Smalley posted a discussion


  Selling my new Super Duty with 60TT, (40 flying off hours and 20 ferrying to Tucson)that I built in a builders-assist program at an aircraft factory with assistance and 100% supervision of professionals. I built it to be the safest plane one could…See More
Peter Buehlmann posted a discussion

750 STOL / Cruzer Sliding Seat Option for Sale

Hello Builders,I changed my mind and will not use the Sliding Seat Option on my STOL 750 project. If somebody is looking for a complete Sliding Seat Option for the STOL or Cruzer, here is your chance. I would give it away for $50 plus the exchange…See More
LARRY TRAMEL posted a discussion

Engine angle

I mounted my Corvair engine mount and engine but it looks as if it pitches forward a great deal. Can someone tell me how the engine level is to the level of the cabin frame. In other words if the cabin frame is level what if the angle of the engine?…See More
An event by Zenith Aero was featured

Zenith Factory Workshop: August 10 & 11, 2023 at Zenith Aircraft factory

August 10, 2023 at 9am to August 11, 2023 at 12pm
Zenith Aircraft Hands-On WorkshopWe invite you to join us at our August 2023 factory workshop class to gain hands-on experience in building your own Zenith aircraft kit! …See More
Jacob Bragg posted a blog post


Took John Austin's mud flap idea and put it on my 750STOL. I have a Viking 130 engine which has the belly radiator which was collecting a bunch of mud during the fall. I cannot attest to the mud prevention as of yet, but so far all flight testing…See More
Gilbert Cardwell posted a discussion

Engine Alignment

Hi all. Just replaced the engine mounts in my Zenith 601 with jabiru 3300 engine. Cowling does not fit on new mounts. Engine is higher and shifted right compared to old mounts. Any know what alignment should be and how I can check alignment?See More
May 26
Zenith Aero posted a video

How I Record my Videos

I regularly get asked about how I set up my cameras and capture my audio so here's a video with all the details.---------------Aircraft: Zenith CH 701 STOLEn...
May 26
Buddy Roberts posted a discussion

corvair parts

I posted a starter and carb for sale in the Corvair engine forum . Sorry guys, I put them in the wrong place See More
May 25
Alan Lutz posted a discussion

Offloading Kit from Trailer

My CH 650 kit should be arriving in the near future. I will pick up the kit at a nearby trucking terminal. Question: has anyone used a large engine hoist to offload the crate from their utility trailer? Seems doable to me.See More
May 25
Randy Owen posted a photo

My Zenith STOL CH 701

"What happens when you press that red button on the panel"
May 24
Ron Moore posted a discussion

Help on finding an engine!

Searching for an engine!After nearly 20 years of hoping/stolen plans, tools, and equipment, my wife and I are beginning a restart of our 650 project. Today we should receive two Fly Corvair manuals on Disassembly and Installation so the search now…See More
May 24
Jason Camilleri posted photos
May 24
Ken Hernfield posted a blog post

Do I need washers when using Self Locking Nylon Nuts?

Hi I am building my 650B and about to bolt in the Aileron Balance Bars the drawing 6W-12 lists 3 Bolts (an3-11A ) and 3 Nylon Self Locking Nuts (an365-1032) there is no mention of any washers. Are they needed - or not?See More
May 24
Sam Cyphers posted a discussion

Rusted Exterior Cylinder

I just noticed this morning that the exterior of my starboard cylinder bank is significantly more rusted than the port side (video below).  Looking back to old photos/video, it seems to have been this way when I purchased the plane in August. This…See More
May 23
John Goodwin posted a discussion

Has anyone got or flown behind a UL Power 390is

Interested to hear your comments and which plane it was in. John.See More
May 23
John D Moe posted a discussion

750 with an O-200 engine old one.

My oil temp is real high.  I'm thinking of adding an oil cooler.  Any ideas?I've checked into the coolers on Aircraft Spruce.  Pricey.  Is any oil filter adapter for the oil cooler the best way to go?  If you are able to call in the next few days, I…See More
May 22

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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