{"id":"F2006B06116","name":"AD/PC-6/14 - Rudder Pedal Support - Modification","slug":"ad-pc-6-14-rudder-pedal-support-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":46876,"registerId":"commonwealth-F2006B06116-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PC-6/14 - Rudder Pedal Support - Modification","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)  Pilatus Porter PC-6 Series Aeroplanes\n\n \n\nAD/PC-6/14 Rudder Pedal Support - Modification 1/67\n\nApplicability: All models. Document: Pilatus SB No. 65. Compliance: Before 31 March 1967.\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\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"Based on the text provided, the AD’s scope is unchanged from its original framing: it applies to all Pilatus PC-6 models, requires the rudder pedal support modification per Pilatus Service Bulletin No. 65, and sets a firm compliance deadline (before 31 March 1967). The AD does not broaden or narrow the population affected within the excerpt supplied; detailed scope and method are left to the referenced service bulletin."},"complexity_factors":["Very short instrument with a single, specific requirement (modification of rudder pedal support).","References an external technical document (Pilatus SB No. 65) for all procedural details, creating a dependency but keeping the AD itself simple.","Universal applicability to the type (\"All models\") increases operational impact but does not add legislative complexity.","A single fixed compliance deadline (before 31 March 1967) simplifies timing but raises scheduling pressure.","Lack of embedded enforcement, costs, or technical detail in the AD text increases reliance on external materials and regulator practice for follow-up."],"plain_english_summary":"This AD mandates a modification of the rudder pedal support on all Pilatus Porter PC‑6 aeroplanes, to be carried out by following Pilatus Service Bulletin No. 65. Operators and maintenance organisations must complete the change by 31 March 1967.\n\nCompliance and associated parts, labour and downtime costs fall to aircraft owners/operators; the regulator enforces the requirement while the service bulletin provides the technical steps."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, single-issue safety directive from 1967 addressing a specific mechanical defect. It has not expanded beyond its original purpose of mandating a rudder pedal support modification."},"complexity_factors":["Extremely short document (under 100 words of substantive content)","No defined terms section — uses plain language and references external technical document","Single, unambiguous compliance requirement with clear deadline","No conditional logic, exceptions, or nested provisions","Cross-reference limited to one external technical document (Pilatus SB No. 65)","Applies universally to 'All models' with no carve-outs or variations"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — essentially a mandatory safety order — issued by Australia's Civil Aviation Safety Authority (CASA) for **Pilatus Porter PC-6 series aircraft**.\n\n**What it does:**\n- Requires owners/operators to modify the **rudder pedal support** (the structure that holds the foot controls used to steer the aircraft on the ground)\n- The modification must follow **Pilatus Service Bulletin No. 65** (official instructions from the aircraft manufacturer)\n\n**Who it affects:**\n- All owners and operators of Pilatus PC-6 aircraft in Australia\n\n**Why it matters:**\n- Rudder pedals are critical for directional control during takeoff, landing, and taxiing\n- A faulty support could lead to loss of control, with potentially catastrophic consequences\n- This directive makes the modification **legally compulsory** before 31 March 1967 to keep the aircraft airworthy\n\n**Key point:** Unlike a recommendation, an Airworthiness Directive is **mandatory**. Flying without complying is illegal and unsafe."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pc-6-14-rudder-pedal-support-modification","history":"/api/acts/ad-pc-6-14-rudder-pedal-support-modification/history","analysis":"/api/acts/ad-pc-6-14-rudder-pedal-support-modification/analysis","conflicts":"/api/acts/ad-pc-6-14-rudder-pedal-support-modification/conflicts","importantCases":"/api/acts/ad-pc-6-14-rudder-pedal-support-modification/important-cases","documents":"/api/acts/ad-pc-6-14-rudder-pedal-support-modification/documents"}}