Engine oil plays a vital role in ensuring safe and efficient aircraft operations, as it directly impacts aircraft engine performance and longevity.

The top 10 must-have items for every aircraft hangar – from hydraulic jacks and maintenance tools to safety equipment, wheel chocks, and replacement parts.

From hydraulic fluid to engine oil to fuel additives – PJi's guide to aviation fluids breaks down what each type does and how to spec it for your aircraft.

When it comes to GSE, aircraft parts, avionics test equipment, and consumables, international aviation companies trust one name above the rest: Pilot John International.

A complete guide to aircraft hydraulic fluid – how hydraulic systems work, the three main fluid types, key aircraft applications, and where to purchase.

Pilot John International (PJi) is the premier global equipment and parts distributor and GSE service center. We are a one-stop shop for all aviation needs.

Discover what makes Skydrol the preferred aviation hydraulic fluid – its fire-resistant chemistry, key variants, aircraft applications, and where to buy.

Implementing a routine cleaning program for the exterior of your aircraft provides preventative maintenance, corrosion control, and a pristine-looking aircraft.

Considering what grease to use on your GSE and aircraft to ensure proper functionality and safety? Corrosion Block is the clear choice.