uAvionix AV-30 Adds Capabilities

Now with traffic and Wi-Fi!

The Tale of the Tundra

The difficult truth of being an early adopter.

Small-bottle O2: Aithre, Aerox Compacts

Personal-sized oxygen bottles save space and weight, while serving as belt-and-suspender backup. But go bigger if you use O2 regularly.

What Shape is Your Documentation In?

How to fix it from the beginning.

The Great Spacer Caper

Retrofitting polyurethane spacers to the main gear of a Zenith STOL CH 701.

Ryan ST Reimagined

Timber Tiger Aircraft’s ST-L brings modern technology to a classic design.

Buying Used: Zenith STOL CH 701

For 35 years, the “Sky Jeep” has soldiered on.

Shining a Light on DarkAero

Ryley, Keegan and River Karl provide a behind-the-scenes view of the DarkAero 1.

Troubleshooting 102: EFIS

Calibration and hardware installation errors are common sources of trouble, so follow the install manuals to the letter.

ATS E50A Magneto Synchronizer

Aircraft Tool Supply made some seemingly small but useful updates to this magneto synchronizer. 

In Case You Missed it

What’s New

Simplex Aeroplanes offers discounted plans for its Cloudster Ultralight, and Superior Air Parts has resumed shipping its Experimental XP Series engines to dealers.

Letters

Crank Seal ReplacementI really liked "Maintenance Matters" in the June 2018 issue. I did...

Flight Review: The Rand KR-2

Bob Grimstead sampled the diminutive Rand KR-2 and found it demanding to fly in some respects but also thoroughly enjoyable.

Completions

Builders share their successes.