

UH-1D/H/V Fuel System
The UH-1 D, E,H, V fuel system is not a simple system. In this article I will explain how it works, identify components and how they...


Inspection for Cracks on Airframe
As commonly known, the main beams at stations 14Left and 14Right are the foundation for the Huey structure. These main beams run from...


42 Degree and 90 Degree Sight Glasses
I have seen many 42 deg. and 90 deg. gearbox sight glasses that get stained and the oil very dark. Many times this shows up after a...


Collective Bounce
Original Article 02/05/2018 I have heard of at least four aircraft in the last six months having hard landings some severe, luckily with...


Button 'Em Up!
Just a reminder that UH1OPS has a full library of UH1OPS PS Magazine related articles available as a free resource to UH-1 operations...


Do You Really Know Your Aircraft’s Lifting Capability and Its Limitations?
Know Your Capabilities and your Limitations Scenario: You are doing a lift job with little margin. The Load calculation indicates the...


Transmission Notes
As a reminder, take note that inside your main transmission, things are going round and round, such as your planetary and sun gears, just...


Compressor Washes
Compressor washes should be a routine procedure for those who maintain and operate gas turbine engines. Albeit some engineers/A&P...


Main Beam
This is another area to check on your Huey is the main beam. We inspect this area at least once a year. You can’t see the crack unless...


Bleed Air Hose
In the picture the large hose that goes from the top of the diffuser housing down to the quick disconnect at the deck bleed air manifold...