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 39.001(1) of CASR 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. Beechcraft 1900 Series Aeroplanes AD/BEECH 1900/50 State of Design 19/2010 Airworthiness Directives Applicability: Models 1900, 1900C and 1900D as specified in the Requirement documents. Requirement: 1. Determine the applicability of the FAA Airworthiness Directives (AD) listed in Table 1. 2. If it is determined that an FAA AD listed in Table 1 is applicable and has not been previously accomplished, perform the actions required by that AD or later FAA-approved revision. Service Bulletins approved by the FAA as Alternative Methods of Compliance (AMOC) to the ADs listed in Table 1 are considered acceptable for compliance with the equivalent requirements of this Airworthiness Directive. Table 1 FAA AD Title Effective Date 97-03-01 Right-Hand Exhaust Stacks 14 March 1997 Note: Applicable to model 1900D only. 93-01-16 Stall Warning Vane Housing 8 March 1993 Note: Applicable to model 1900C only. 87-04-24 Elevator Trim Cable System 14 April 1987 Note: Applicable to models 1900 and 1900C. Note: FAA ADs may be accessed via the internet at the following URL: http://rgl.faa.gov Compliance: If a certificate of airworthiness has not been issued for the aircraft - before issue of the certificate of airworthiness. If a certificate of airworthiness has been issued for the aircraft - before further flight after 19 November 2010. This Airworthiness Directive becomes effective on 15 October 2010. Background: The FAA ADs listed in Table 1 of this Directive require once-only actions for which the compliance date has passed. CASA has determined that these ADs may be applicable to some Australian aircraft. This Directive is issued to ensure compliance with all State of Design ADs. CASA appreciates that, due to date of aircraft manufacture or aircraft configuration and modification status, some of the ADs listed in Table 1 will not be applicable to any aircraft presently registered in Australia. Charles Lenarcic Delegate of the Civil Aviation Safety Authority 22 September 2010