Attached is the Rotorcraft Monthly Accident Briefing for July 2025 (tenth month of FY25). (Covers Part 27, Part 29, and Restricted...

Attached is the July 2025 USHST Safety Report for your review.    Have a great week! Clarke   Clarke Pleasants Assistant Professor of...

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

This has been brought up before about a re-torque after main rotor installation. In this case the TM 55-1520-210-23-1 is not a help. ...

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...

Attached is the June 2025 USHST Safety Report for your review.    v/r, Clarke   Clarke Pleasants Assistant Professor of Aerospace  ...

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

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...

Attached is the Rotorcraft Monthly Accident Briefing for May 2025 (eighth month of FY25). (Covers Part 27, Part 29, and Restricted...

Attached is the May 2025 USHST Safety Report for your review.    v/r, Clarke   Clarke Pleasants Assistant Professor of Aerospace   Middle...