Skydrol hydraulic hoses fail from the inside out – learn the warning signs, replacement intervals, and how PJi keeps aircraft hydraulics mission-ready.

As an aircraft maintenance technician, you're responsible for keeping landing gear functioning flawlessly. In this guide, we'll show you how to do just that.

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.

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

Do you know what to look for in your aircraft’s hydraulic power unit? You need to know these factors to make the right decision.

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

Tronair HPUs deliver clean, precise hydraulic power for aircraft maintenance. Explore options and FAQs through PJi, the authorized Tronair distributor.

Compare Tronair's 56 and 57 Series hydraulic power units – understand C-Frame capabilities, output differences, and which HPU fits your aircraft.