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
DH114 (Heron) Series Aeroplanes
AD Name AD Number
rial Weak Link - Modification AD/DH114/1
Flap Spar - Modification AD/DH114/2
ASI Drain Cocks - Modification AD/DH114/3
Aileron Differential Pulley Stud - Modification AD/DH114/4
Fuel Tank Filler - Modification AD/DH114/5
Mainplane Upper and Lower Spar Booms - Inspection AD/DH114/6 Amdt 2
Engine Mounting Frame - Inspection AD/DH114/7
Centre Section Spar Boom Inspection for Chafing AD/DH114/8
Superseded by AD/DH114/26 AD/DH114/9 Amdt 1
Flying Control Hinge Brackets - Inspection AD/DH114/10 Amdt 1
Wing Rear Spar - Inspection AD/DH114/11
Aileron Lever Part No. 14 WA. 199 - Inspection and Modification AD/DH114/12 Amdt 1
Centre Section and Wing Spar Boom - Fatigue Life Limitations AD/DH114/13 Amdt 6
Flap Jack Attachment - Modification AD/DH114/14
Top Centre Section Spar Attachment - Inspection and Modification AD/DH114/15
Engine Mounting Frames - Inspection AD/DH114/16 Amdt 1
Landing Gear Actuator Piston - Inspection and Replacement AD/DH114/17
Wing Spar - Inspection AD/DH114/18 Amdt 1
Engine Fire Extinguisher Discharge Nozzle - Inspection AD/DH114/19
Rear Engine Foot to Engine Mounting Bolts - Inspection and Retirement AD/DH114/20
CANCELLED AD/DH114/21
Wing Strap For Engine Mounting Pick-Up - Inspection AD/DH114/22
Fin Attachment Brackets - Inspection AD/DH114/23
Nose Undercarriage - Inspection and Modification AD/DH114/24
Mainplanes and Flaps - Inspection and Modification AD/DH114/25
Wing/Fuselage Lower Main Root Joints - Inspection AD/DH114/26 Amdt 1
Flap Datum Hinge Assembly - Inspection AD/DH114/27 Amdt 1
Flap Datum Hinge Safety Washer - Inspection AD/DH114/28
Main Undercarriage - Main and Damper Jack Bolts - Inspection and AD/DH114/29 Amdt 1
Main Undercarriage - Inspection AD/DH114/30
Rudder Control Pedal Reversal Lever - Inspection AD/DH114/31
Emergency Escape Hatches - Inspection AD/DH114/32
Pneumatic System - Main Air Reservoirs AD/DH114/33
Fuselage Keel Frame at Wing Rear Spar - Inspection AD/DH114/34 Amdt 1
Aircraft Life Extension AD/DH114/35 Amdt 2
Outer Engine Mounting Attachment Fittings - Inspection AD/DH114/36
Main Undercarriage Damper Ram - Inspection AD/DH114/37 Amdt 1
Drag Bracing Member, Centre Section Spar Lower Boom - Inspection and AD/DH114/38
Nose Undercarriage Radius Rod Adjusting Screw - Replacement AD/DH114/39
Engine Mounting Stay Struts - Inspection AD/DH114/40
Front (Pilots) Seats Restraint Installations - Modification AD/DH114/41
Nose Gear Inner Casing - Inspection and Replacement AD/DH114/42
Centre Section Main Spar Top and Bottom Boom Joint - Inspection AD/DH114/43 Amdt 2
Superseded by AD/DH114/35B AD/DH114/44
Tailplane Upper Pick-Up Eyebolt in Bulkhead 7 - Inspection AD/DH114/45
Fuel System - Modification AD/DH114/46
Fuel System - Modification and Component Relocation AD/DH114/47
Aileron Mass Balance Weight Assembly AD/DH114/48
Flap To Flap Jack Connecting Pin AD/DH114/49