![The Hatz Biplane, NX71VH, re-engineered to be powered by a 124 hp radial engine. [Credit: Hatz Biplane Association]](https://www.kitplanes.com/wp-content/uploads/2026/09/Hatz-Bantam-Radial-124hp_1000004521-Topaz-Gigapixel-2x-scale.jpg?w=534&h=462&crop=1 "Airplane Almost No One Knows, Part One"){kind=tracking}
![[Credit: CubCrafters]](https://www.kitplanes.com/wp-content/uploads/2026/09/DSC04228.jpg?w=265&h=198&crop=1 "CubCrafters’ New Turboprop MOSAIC LSA")
![A compact H3R Halon 1211 extinguisher, sized for a two-seat cockpit and safe on energized electrical fires. [Credit: H3R Aviation]](https://www.kitplanes.com/wp-content/uploads/2026/09/mfr_H3R_A344T_Halon_1p25lb.jpg_preview-Topaz-Gigapixel-2x-scale.jpg?w=265&h=198&crop=1 "Choosing the Right Cockpit Fire Extinguisher for Your Aircraft"){kind=tracking}
![The Zenith CH701 outside the hangar at SMX, fresh from paint. The stars-and-stripes theme marks America’s 250th and the CH701’s 40th anniversary. [Credit: Carson Stilson]](https://www.kitplanes.com/wp-content/uploads/2026/09/IMG_1726.jpg?w=265&h=198&crop=1 "Zenith CH 701: A Proof of Concept Homebuilt on a Budget")
![Low-level aerial view of AirVenture, looking down the main thoroughfare toward Boeing Plaza, with the flightline and runway 18/36 beyond. [Credit: LeRoy Cook]](https://www.kitplanes.com/wp-content/uploads/2026/09/IMG_4521.jpg?w=265&h=198&crop=1 "AirVenture 2026 in Review")
(Almost) Wordless Workshop
Project steps rarely go in order. These illustrated tips might save you time—and frustration—when things don’t go as planned.
Check the Sump Screen
It is important to check the oil sump screen for contaminants at least once per year.
The Value of a Mentor, and Mentoring
Building and flying a kit aircraft is a rare achievement—share your journey, mentor others, and strengthen the builder community.
Dyke Delta
Unconventional and striking, the Dyke Delta blends unique design with solid performance and a dash of homebuilt aviation history.
In Case You Missed It
Build, Test, Refine and Fix—Part 2: Taxi Testing
All aircraft testing, including taxi tests, requires planning and discipline.
Classic Caretaker
Easy to build, easy to fly...and affordable too. No wonder the Fly Baby remains popular decades after the prototype debuted.
What’s New
New landing lights from AeroLEDs, a lightweight headset from MGL, the electric Waiex makes its first flight, and FatBoy offers throttle quadrants for Vans RV kit aircraft. Edited by Mary Bernard.