2021-15-51 Emergency Airworthiness Directive
FAA PDF File DATE: July 6, 2021 AD #: 2021-15-51 Emergency Airworthiness Directive (AD) 2021-15-51 is sent to owners and operators of Bell Textron Inc. (type certificate previously held by Bell Helicopter Textron Inc.) (Bell) Model 204B, 205A, 205A-1, 205B, and 212 helicopters. Background This emergency AD was prompted by a Bell Model 212 helicopter fatal accident in which an outboard main rotor hub strap pin (pin), part number (P/N) 204-012-104-005 with a serial number (
MAIN ROTOR HUB STRAP PIN 204-012-104-005, REMOVAL FROM SERVICE
Alert Service Bulletin From Bell that effects UH-1 Fleet
GHI informational letter UH1-98-11 dated 10-7-98 - Inspection of Upper Left Hand tailboom attachment
Originally published 6/26/2014 This Letter from 1998 was submitted in relation to other posts on the blog regarding the Upper Left Hand...


Proposed Rule on Main Driveshaft
Posted by the Federal Aviation Administration on Mar 25, 2021 FAA Site link for this NPRM HERE Action Notice of proposed rulemaking...


Aviation Health and Usage Monitoring Systems (HUMS) for UH-1 Industry
Huntsville, Alabama - We are pleased to introduce RMCI, Inc. and their advanced Health and Usage Monitoring Systems, or HUMS. The...


Cracked Grips on Compsite MR Blades
Composite blades PN 205-015-150-101 Rampart Helicopters sent in composite blades for biannual inspection, several cracks in the grip...


FINALLY Lord T.T. Straps
LORD CORPORATION HAS RELEASED THEIR T.T. STRAPS FOR SALE OUTSIDE OF BELL HELICOPTER. LORD HAS BEEN MAKING THESE IDENTICAL STRAPS FOR BELL...


Unintended Load Release Solution
There have been many unintended external load releases over the years and here is a simple way to reduce that number. Install this...
Proposed AD - Failure of Tailboom Attaching Points
FEDERAL REGISTER LINK TO MAKE COMMENTS Action Notice of proposed rulemaking (NPRM). Summary The FAA proposes to adopt a new airworthiness...


Main Rotor Drag Brace Outer Attaching Hardware
In my travels over the years I have found MANY aircraft with the main rotor outer drag brace bolt hardware incorrectly installed. General...




































