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...
LubriBor- Fuel Lubricity Additive
NOTE FROM UH1OPS While we usually stick to maintenance articles on UH1OPS MAINTENANCE BLOGs, we support this product and after seeing the...
SAIB-18-29R1 Rotorcraft Tail Boom, Attach Structure Failure
SUBJ: Rotorcraft Tail Boom, Attach Structure Failure SAIB: SW-18-29R1 Date: February 19, 2019 This is information only....
Track and Balance - The Main Rotor for Now
Original Article: Helicopter Maintenance Magazine 2/1/2012 Before I say anything else, I want to point out that there is a lot of...
Combustor Rumble Solution
Follow up to earlier Blog Article Combustor Rumble Thanks to John Moore, we finally prevailed with Honeywell and they have agreed to...
Dealing with Corrosion in Control Tubes/Rods
Halloween Update! Dealing with spookiest part of aging Helicopters, Corrosion! This update focuses on the importance of inspecting the...
ASB UH-1H-18-20 Main Rotor Blades -113
ALERT SERVICE BULLETIN UH-1H-18-20 23 October 2018 MODEL AFFECTED: UH-1H SUBJECT: MAIN ROTOR BLADE 204-011-250-113, INTRODUCTION OF...
Drive Shaft Removal Tool
Do you know the P/N of the UH1 drive shaft removal tool? We have a customer looking for one and our company doesn’t have it. They stated...
Using Heat and Proper Alignment when Pressing Bearings into Critical Bores
This picture clearly shows the importance of using heat, and proper alignment when pressing bearings into critical bores. This damage was...
TT Straps Time Life
We received a question this week in regards to time life on TT Straps retirement life. When I looked at our old component sheets, we...
