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.


Zenith Aircraft Homecoming & Fly-In: September 17 & 18

Schedule of Events | Buy your dinner tickets | Facebook event page


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Latest Activity

Bill Bear posted a discussion

Zero Oil Pressure on Newly Overhauled 0200A

Not being a "mechanic", I need some advice.  I just finished installing a freshly major overhauled O200A on my 750.  I filled the oil tank.  When I checked for oil pressure before performing the first start, no oil pressure was indicated.  I know…See More
1 hour ago
Austin Loveless posted a blog post

Stabilizer Skeleton Work

Spent an evening scuffing, priming, pinning up and final riveting. After this, the skin goes on, then I can get started on…See More
9 hours ago
Robin Michael Dawe posted a discussion

corrosion protection when building?

Question about corrosion protection.  When building a STOL 701, do you paint each piece before riveting the pieces together to prevent corrosion between the assembly?   OR Best practice, to pop rivet first and then spray the whole completed…See More
22 hours ago
Steven Ward posted a video

Continental O200 Engine Start in Thermal

Here is a short video of my Continental O200 engine starting from cold viewed in the thermal heat spectrum. This engine is installed on a Zenith CH-750 STOL ...
Terrence "Dr. Terry" Hall posted a status
"Installed pilot side wing tank after new fuel fill senders. Will plan opposite wing tank tomorrow and leak test."
Zenith Aero updated an event

30th annual Zenith Aircraft HOMECOMING and fly-in at Zenith Aircraft factory

September 17, 2021 to September 18, 2021
30th annual Zenith Aircraft Homecoming (Open Hangar Days and Fly-In) at the kit aircraft factory: September 17 & 18, 2021. Two full days of educational and fun activities at the Zenith Aircraft factory in Mexico, Missouri. Drive in or fly-in!…See More
Bill Bear posted a photo

Hell Hole Fun

Taking a breather while installing the elevator cable pulley mod. The grimace on my face is in shadow and difficult to see....having some fun now !
Michael S Haas posted photos
Michael S Haas posted a status
"Fuel system coming along nicely!"
Bradford Drown posted a discussion

Nav/Anti-collision Lights NOT legal for night flight

Hi everyone:I have been researching Nav/Collision light kits for my 601 build.  One of the kits, Whelen MicroBurst Plus, states:  "Product does not meet the requirements of 91.205 (c), required for night flight."I have reviewed 91.205 (c) and part…See More
Bill Bear posted photos
John Austin posted a discussion

CH 750 Landing Gear Pads Deterioration

This a.m. I was washing my STOL 750 in preparation for tomorrow's flight to Mexico, MO, for the Zenith Homecoming.  While washing the landing gear legs, I noticed the urethane rubber pads in the landing gear saddles were cracked!  I have 3 pads on…See More
Terrence "Dr. Terry" Hall posted a status
"Dry Installed new fuel fill senders,. Tomorrow will seal with Chemseal and cure."
A photo by Zenith Aero was featured

2021 Zenith Homecoming t-shirt

Roger and Kaitlyn show off the great 2021 Zenith Homecoming t-shirts! These are super soft and comfortable cotton t-shirts "not made in China" of U.S. components. Quantities are limited. Pick one up at the event this week or order online.…
Terrence "Dr. Terry" Hall posted a status
"Adjusted replacement fuel fill senders from Zenith. Reversed the identical units and bent for side mounting and tack welded the float arms."
Sep 13
Jim Weston posted photos
Sep 13
Carlos Sa posted photos
Sep 13
David J. Beaulieu posted a discussion

Cylinder head woe!!

Submitted for you reading pleasure...Been having gradually increasing CHT on my #4 cylinder over the past two weeks.  Last flight resulted in a immediate return to the airport at minimum throttle to maintain CHT below max limit* (just barely and in…See More
Sep 12
Kelvin Carson posted photos
Sep 12
Clint L Gosch posted a photo

9/11/2021 honoring local first responders at C17

Commemorating 9/11 with first responders at C17, Marion IA airport. Free food for first responders, and many cool aircraft. Thanks goes to Dave Lammers EAA33 flight advisor for organizing this fine event!
Sep 11

Blog Posts

Stabilizer Skeleton Work

Posted by Austin Loveless on September 19, 2021 at 9:41am 0 Comments

Super Duty Viking Engine Install

Posted by Adam Andrews on September 8, 2021 at 9:39am 0 Comments

Under Carriage fairings

Posted by Robert Schneck on August 23, 2021 at 4:32am 1 Comment

For Sale -CH 601HD, S/N 6-3248, N738J

Posted by Jim Hoak on August 22, 2021 at 10:33am 0 Comments

Zodiac training

Posted by rajan kaleekal on August 16, 2021 at 6:15pm 0 Comments

Oil cooler vent

Posted by Kelvin Carson on August 16, 2021 at 7:16am 2 Comments

making headway

Posted by chris webster on July 16, 2021 at 4:12am 0 Comments


Zero Oil Pressure on Newly Overhauled 0200A

Started by Bill Bear in Continental Engines. Last reply by Don Morrisey 41 minutes ago. 1 Reply

0200 lightweight alternator

Started by Robert Riat in Continental Engines. Last reply by Bill Bear 2 hours ago. 19 Replies

701 Parts For Sale

Started by Les Shannon in Classified / For Sale Postings. Last reply by RandyC 3 hours ago. 28 Replies

Cleveland NOS parts cheap

Started by David Krakowsky in Classified / For Sale Postings. Last reply by David Krakowsky 3 hours ago. 2 Replies

Cylinder head woe!!

Started by David J. Beaulieu in UL Power Forum. Last reply by Doug Malloy 3 hours ago. 7 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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