{"id":"F2006B05384","name":"AD/PA-11/1 - Elevator Control Connector Tube - Modification","slug":"ad-pa-11-1-elevator-control-connector-tube-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":45986,"registerId":"commonwealth-F2006B05384-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-11/1 - Elevator Control Connector Tube - 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)  Piper PA-11 (Cub) & J3 Series Aeroplanes\n\n \n\nAD/PA-11/1 Elevator Control Connector Tube - Modification NK\n\nApplicability: All models with S/Nos. 11-1 to 11-910. Document:  1. Piper SB No. 111; OR\n\n2. FAA AD 49-14-1; OR\n\n \n\n3. ANO 105.1.27.1.5.1.\n\n \n\nCompliance: Forthwith.\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":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific mechanical defect in a specific aircraft type. It has not expanded beyond its original purpose of mandating a single modification to the elevator control system."},"complexity_factors":["Extremely short document (under 200 words)","Only 3 substantive provisions: applicability, document reference, and compliance","No defined terms section — uses common aviation terminology only","No conditional logic or nested exceptions","Single cross-reference to external technical documents (Piper SB, FAA AD, ANO)","Clear, unambiguous command structure ('Forthwith' = immediate compliance)"],"plain_english_summary":"**What this is:** This is an **Airworthiness Directive (AD)** — a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA) that requires aircraft owners to fix a specific mechanical problem.\n\n**What it does:** It orders owners of certain **Piper PA-11 (Cub) and J3 series aeroplanes** to modify the **elevator control connector tube** — a part of the tail that controls the plane's pitch (up and down movement). The modification must be done according to one of three approved technical documents: a Piper Service Bulletin, an American FAA Airworthiness Directive, or an old Australian Air Navigation Order.\n\n**Who it affects:** Anyone who owns or operates a Piper PA-11 or J3 aircraft with **serial numbers 11-1 through 11-910**.\n\n**Why it matters:** This is a **safety-critical fix**. The \"compliance: forthwith\" language means **do it immediately** — not next scheduled maintenance, not when convenient. The elevator controls whether the nose goes up or down; a failure here means loss of control of the aircraft. This AD likely addresses a known defect that could cause the elevator to jam or disconnect.\n\n**The bottom line:** If you own one of these specific Piper Cubs, you cannot legally fly until this modification is completed."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The AD as presented does not expand or narrow scope beyond what is stated: it applies to Piper PA-11 / J3 series aeroplanes with serial numbers 11-1 through 11-910 and mandates modification of the elevator control connector tube, to be completed forthwith by following one of the three specified documents (Applicability; Document list; Compliance). There is no indication in the provided text that the scope has been altered from an earlier or original intent."},"complexity_factors":["Narrow technical scope limited to elevator control connector tube on PA-11/J3 series (serial nos. 11-1 to 11-910) (Applicability).","Text delegates technical detail to three external documents rather than containing procedures itself (Document list).","Immediate compliance requirement ('forthwith') increases operational urgency but not legal ambiguity (Compliance).","Multiple alternative compliance documents create choice but require operators to obtain and follow external material (Document list).","Absence of in-text technical detail keeps AD administratively simple but shifts operational complexity to maintenance execution and parts sourcing."],"plain_english_summary":"This AD mandates an immediate modification to the elevator control connector tube on Piper PA‑11 / J3 aeroplanes serials 11‑1 through 11‑910. Compliance is required \"forthwith\" by following one of three referenced technical documents (Piper SB No.111, FAA AD 49‑14‑1, or ANO 105.1.27.1.5.1).\n\nIt affects aircraft owners/operators, maintenance organisations and parts suppliers; owners bear parts, labour and downtime costs, and must ensure a qualified provider performs the work using one of the approved procedures."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-11-1-elevator-control-connector-tube-modification","history":"/api/acts/ad-pa-11-1-elevator-control-connector-tube-modification/history","analysis":"/api/acts/ad-pa-11-1-elevator-control-connector-tube-modification/analysis","conflicts":"/api/acts/ad-pa-11-1-elevator-control-connector-tube-modification/conflicts","importantCases":"/api/acts/ad-pa-11-1-elevator-control-connector-tube-modification/important-cases","documents":"/api/acts/ad-pa-11-1-elevator-control-connector-tube-modification/documents"}}