{"id":"F2006B03686","name":"AD/BEECH 200/3 Amdt 1 - Propeller Secondary Low Pitch Stop System","slug":"ad-beech-200-3-amdt-1-propeller-secondary-low-pitch-stop-system","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43276,"registerId":"commonwealth-F2006B03686-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 200/3 Amdt 1 - Propeller Secondary Low Pitch Stop System","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Beechcraft 200 (Super King Air) Series Aeroplanes\n\n \n\nAD/BEECH 200/3\n\nAmdt 1\n\n\nPropeller Secondary Low Pitch Stop System 5/77\n\n \n\nApplicability: Models 200, S/Nos BB-2, BB-6 to BB-162.\n\n \n\nRequirement: Action in accordance with Beechcraft SI No 0808-247, Rev 1. Compliance:  Within 100 hours time in service after 31 May 1977.\n\nNote: Flight Manual amendment is required following incorporation of this modification.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive focused on a specific mechanical system in a specific aircraft model range. It has not expanded beyond its original purpose of mandating a propeller system modification."},"complexity_factors":["Very short document (approximately 150 words)","Only 1 defined applicability criterion (specific serial number range)","Single requirement referencing an external technical document (Beechcraft SI)","Simple compliance deadline (100 hours time in service after fixed date)","No nested exceptions, conditional logic, or cross-references to other legislation","One straightforward note regarding documentation update"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — essentially a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA). It applies to specific **Beechcraft 200 (Super King Air) aircraft** built between certain serial numbers.\n\n**What it does:**\n- Requires owners/operators to modify the **propeller secondary low pitch stop system** — a safety mechanism that prevents propeller blades from flattening out too far (which could cause engine overspeed or loss of control).\n- The work must follow **Beechcraft Service Instruction No. 0808-247, Revision 1** (the manufacturer's official repair/modification guide).\n\n**Who it affects:**\n- Owners and operators of Beechcraft Model 200 aircraft with serial numbers BB-2, and BB-6 through BB-162.\n\n**What must happen:**\n- The modification must be completed **within 100 hours of flight time** after 31 May 1977.\n- After the fix is installed, the aircraft's **Flight Manual must be updated** to reflect the change.\n\n**Why it matters:**\nThis directive addresses a potential mechanical failure that could affect propeller control — critical for safe flight operations. Non-compliance means the aircraft cannot legally fly."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument is labelled as an amendment (Amdt 1), but the text itself sets out the applicability, the mandatory action (reference to Beechcraft SI No. 0808-247, Rev 1), the compliance window and the Flight Manual amendment requirement. The AD does not state any expansion or reduction of applicability within its text; therefore there is no clear indication within this document that its operational scope (which aircraft are covered and what action must be taken) has changed from the original instrument."},"complexity_factors":["Narrow applicability limited to specific Model 200 serial numbers (Applicability).","Single prescriptive compliance method specified (Beechcraft SI No. 0808-247, Rev 1) reduces procedural variation but requires access to that document (Requirement).","Fixed, short compliance window measured in flight hours after a historical date creates a clear but time-bound operational burden (Compliance).","Mandatory Flight Manual amendment adds a small administrative step post-modification (Note).","No multiple options, approvals or conditional exemptions set out in the text, limiting legal complexity."],"plain_english_summary":"This AD mandates a specific propeller-system modification for certain Beechcraft Model 200 (Super King Air) aeroplanes, to be performed exactly per Beechcraft Service Instruction No. 0808‑247, Rev 1, within 100 hours’ time in service after 31 May 1977. It affects owners/operators of the listed serial numbers, who must pay for the work and arrange the required Flight Manual amendment after installation."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-200-3-amdt-1-propeller-secondary-low-pitch-stop-system","history":"/api/acts/ad-beech-200-3-amdt-1-propeller-secondary-low-pitch-stop-system/history","analysis":"/api/acts/ad-beech-200-3-amdt-1-propeller-secondary-low-pitch-stop-system/analysis","conflicts":"/api/acts/ad-beech-200-3-amdt-1-propeller-secondary-low-pitch-stop-system/conflicts","importantCases":"/api/acts/ad-beech-200-3-amdt-1-propeller-secondary-low-pitch-stop-system/important-cases","documents":"/api/acts/ad-beech-200-3-amdt-1-propeller-secondary-low-pitch-stop-system/documents"}}