{"id":"F2006B06348","name":"AD/PROCTOR/9 (Re-Issue) - Speed Restriction - Placard","slug":"ad-proctor-9-re-issue-speed-restriction-placard","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":47555,"registerId":"commonwealth-F2006B06348-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PROCTOR/9 (Re-Issue) - Speed Restriction - Placard","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)  Percival Proctor Series Aeroplanes\n\n \n\nAD/PROCTOR/9\n\n(Re-Issue)\n\n\nSpeed Restriction - Placard 11/58\n\n \n\nRequirement: 1. Placard the cockpit as follows:-\n\n \n\n“This aeroplane must not be flown at speeds in excess of 174 knots (200 m.p.h.)”.\n\n \n\n2.    The placard shall be located in a conspicuous position, preferably on the instrument panel.\n\n \n\n3.    The lettering shall be applied in paint or other equally durable medium and shall be easily readable from the pilot’s seat.\n\n \n\n4.    Delete reference to maximum speed in excess of 174 knots (200 m.p.h.) from any other placards which may be fitted.\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","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This is a straightforward, narrow safety directive focused solely on placarding requirements for a specific aircraft type. It has not expanded beyond its original purpose."},"complexity_factors":["Extremely short document (under 200 words)","No defined terms section","No cross-references to other legislation","Simple, unconditional imperative language ('shall', 'must')","Single, clear compliance requirement with no exceptions or nested conditions","Plain English instructions suitable for aircraft mechanics and pilots"],"plain_english_summary":"This is an **Airworthiness Directive** (a mandatory safety instruction) for owners and operators of **Percival Proctor series aeroplanes** — a type of vintage British aircraft.\n\n**What it requires:**\n- **Install a warning sign (placard)** in the cockpit stating: *\"This aeroplane must not be flown at speeds in excess of 174 knots (200 m.p.h.)\"*\n- The sign must be placed where the pilot can easily see it — ideally on the instrument panel\n- The text must be painted or applied using a similarly durable method, and must be readable from the pilot's seat\n- **Remove or cover up** any existing signs that mention a higher maximum speed than 174 knots\n\n**Who must comply:** Anyone flying or maintaining these specific vintage aircraft.\n\n**When:** Immediately (\"Forthwith\").\n\n**Why it matters:** This speed limit is imposed for safety reasons — likely due to structural limitations discovered in these older aircraft. Exceeding this speed could risk airframe damage or failure."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The document is a re-issue of AD/PROCTOR/9 titled \"Speed Restriction - Placard\" and contains a single, specific requirement to placard the aircraft with a 174-knot maximum speed and to remove any higher-speed references (Requirements 1–4). The re-issue text provided does not expand or narrow those requirements compared with the directive as presented here; it continues to impose the same placarding and deletion obligations and immediate compliance (Requirements 1–4; Compliance: Forthwith)."},"complexity_factors":["Single, narrowly framed operational requirement (fit a particular placard with specified wording).","Immediate compliance required, creating a short implementation timeline but not procedural stages (Compliance: Forthwith).","Clear, prescriptive elements (exact placard text) reduce legal ambiguity (Requirement 1).","Some practical ambiguity about exact placement/readability standards (\"preferably on the instrument panel\", \"easily readable\"), which may require interpretive decisions by operators or inspectors (Requirements 2–3).","No enforcement, penalty or verification procedures specified in the text, leaving implementation oversight to the broader regulatory framework."],"plain_english_summary":"This instrument requires owners/operators of specified Percival Proctor aircraft to fit immediately a durable, conspicuous cockpit placard stating “This aeroplane must not be flown at speeds in excess of 174 knots (200 m.p.h.)” and to remove or alter any conflicting speed placards. The placard must be easily readable from the pilot’s seat and preferably on the instrument panel.\n\nIt places production/fitting and removal costs on owners/operators and directly limits operating speed—affecting flight profiles and scheduling—while enforcement arrangements are not specified."}},"importantCases":[],"_links":{"self":"/api/acts/ad-proctor-9-re-issue-speed-restriction-placard","history":"/api/acts/ad-proctor-9-re-issue-speed-restriction-placard/history","analysis":"/api/acts/ad-proctor-9-re-issue-speed-restriction-placard/analysis","conflicts":"/api/acts/ad-proctor-9-re-issue-speed-restriction-placard/conflicts","importantCases":"/api/acts/ad-proctor-9-re-issue-speed-restriction-placard/important-cases","documents":"/api/acts/ad-proctor-9-re-issue-speed-restriction-placard/documents"}}