Airworthiness Directives 2004
I, DAVID ALAN VILLIERS, delegate of the Civil Aviation Safety
Authority, acting under subregulation 39.001 (1) of the Civil
Aviation Safety Regulations 1998:
(a) revoke the Airworthiness Directives mentioned in
Schedule 1; and
(b) make, as separate instruments, each Airworthiness
Directive mentioned in Schedule 1 and attached.
David Villiers
Delegate of the Civil Aviation Safety Authority
20 December 2004
Note: Each attached Airworthiness Directive is being re-made in exactly the
same form as appears in the latest published edition of the Directive.
Schedule 1 Revocation and Remaking of
Airworthiness Directives
Bell UH-1 Series Helicopters
AD Name AD Number
Tail Rotor Blades AD/UH-1/1
Tail Rotor Slider AD/UH-1/2
Tail Boom Vertical Spar - CANCELLED AD/UH-1/3
Tail Rotor Yoke AD/UH-1/4
Tailboom Vertical Fin Spar AD/UH-1/5 Amdt 2
Main Rotor Mast and Trunnion AD/UH-1/6 Amdt 2
Tail Rotor Grip AD/UH-1/7
Tail Rotor Hub AD/UH-1/8
Tail Rotor Grips AD/UH-1/9
Tail Rotor Gearbox Duplex Bearings AD/UH-1/10
Pillow Block Bolts and Hardware AD/UH-1/11
Tail Rotor Driveshaft Hangar Bearings AD/UH-1/12
42 degree Gearbox AD/UH-1/13
Retirement Lives of Fatigue Critical Components - CANCELLED AD/UH-1/14
UH-1 Component Review - CANCELLED AD/UH-1/15
Main Rotor Mast P/N 204-011-450-001 & -005 AD/UH-1/16
Tail Rotor Grips - 2 AD/UH-1/17
Main Rotor Tension-Torsion Strap AD/UH-1/18