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42 & 90 Degree Gearbox Caps
A couple of weeks ago I was asked to give some basic information to the maintenance man the pickup team brought with them. He hadn’t...
UH-1 Maintenance Training Course
Do you have a new mechanic or mechanics that need a refresher course on the UH-1 helicopter? Do you need an IA renewal? Peter Frinchaboy...
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...
Engine Igniters
In the photo below there are two Igniters, the one on the left shows that the spark is concentrated on one area of the igniter. Hard to...
Servo Mount Nuts
Hi this is Pete from Metro Fire again. On the NTSB accident website there is an accident involving aircraft UH-1H N260TA 5-23-2014. There...
HYDRAULIC SYSTEM HEALTH & WELL BEING
With the military releasing aircraft to civilian operators, many civilian operators are following the maintenance schedule the military...
Collective Bounce
I have heard of at least four aircraft in the last six months having hard landings some severe, luckily with no fatalities. In each event...
Droop Cam Jack Shaft
In 1992 UH-1-92 ASAM-13 was issued that later became TB1-1520-210-19 one time & recurring inspection of the droop compensator jackshaft....
Main Rotor Support and Bumpers
The military main rotor was modified with a plate bolted to the bottom of the main rotor yoke and a support bolted to the mast just above...
Recent Linear Actuator Failure
One of our operators shared the following information after one of their pilots had a linear actuator failure while fighting fires in...
