AD/CA21/11 - Engine Air Intake Hoses (Cth)

AIRWORTHINESS DIRECTIVE For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Skyfox Aviation (Calair/Hedaro) CA 21 and CA22A Series Aeroplanes

AD/CA21/11 Engine Air Intake Hoses 7/2001

Applicability: CA21, CA22 and CA22A, aircraft other than aircraft operated in accordance with Civil Aviation Orders Part 95, Section 95.55.

Requirement: 1. (a) Remove both engine air intake hoses and inspect hoses internally and externally for fabric, helix wire and attachment cuff condition, and

(b) inspect both engine air intake hoses for evidence of the hose manufacturer's identification and hose specification.

2. Replace engine intake hoses with hoses approved for the purpose by a CAR 35/36 authorised person when it is established the installed hose:

(a) Is not airworthy, or

(b) The hose manufacturer or hose specification cannot be identified, or

(c) The hose is not approved by the hose manufacturer for negative pressure applications.

Note: Aeroduct "SCAT" and "SCEET" hoses are not approved by the hose manufacturer HRD Thermoid Industries for use in negative pressure applications.