{"id":"F2006B10092","name":"AD/G159/7 - Superseded","slug":"ad-g159-7-superseded","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":55575,"registerId":"commonwealth-F2006B10092-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/G159/7 - Superseded","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET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 ORDERS CIVIL AVIATION SAFETY AUTHORITY                            PART 105 SCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  GULFSTREAM (GRUMMAN) G.159 SERIES AEROPLANES\n\n \n\nAD/G159/7 Superseded 12/67\n\nSuperseded by AD/AIRCON/2\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n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\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"Not applicable — this is a minimal supersession notice with no substantive scope to assess. The original AD's scope (Gulfstream G.159 aircraft) is noted only for historical reference."},"complexity_factors":["Document is a stub/placeholder with no substantive regulatory content","Contains only metadata: identifier, supersession status, and replacement reference","No operative provisions, defined terms, or conditional logic","Extremely short (effectively 3 lines of meaningful content)"],"plain_english_summary":"This is a **superseded Airworthiness Directive** (AD) for Gulfstream G.159 series aircraft. An Airworthiness Directive is a mandatory safety notice issued by the Civil Aviation Safety Authority (CASA) that requires aircraft owners or operators to perform specific inspections, repairs, or modifications to address unsafe conditions.\n\n**What this document shows:**\n- **AD/G159/7** was originally issued in December 1967 (noted as \"12/67\")\n- It applied specifically to **Gulfstream (Grumman) G.159 series aeroplanes** — a type of business aircraft\n- It has been **superseded** (replaced) by **AD/AIRCON/2**\n\n**Why this matters:**\n- Aircraft operators must follow the *current* version of an AD, not superseded ones\n- This document serves as a historical reference showing the regulatory lineage — what rule replaced what\n- The replacement by \"AD/AIRCON/2\" suggests the original air conditioning-related safety issue was consolidated into a broader directive covering multiple aircraft types\n\n**In short:** This is not an active legal requirement. It's a placeholder indicating that an old 1967 safety rule for Gulfstream G.159 aircraft has been replaced by a newer directive."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":true,"description":"The original AD/G159/7 has been formally superseded (dated 12/67) and replaced by AD/AIRCON/2. This entry therefore removes AD/G159/7 from current effect and shifts the operative obligations to AD/AIRCON/2; the specific substantive scope of requirements is not set out here and must be read in the replacement directive."},"complexity_factors":["Very short, procedural text that only records supersession and replacement.","Cross-reference to another instrument (AD/AIRCON/2) which contains substantive requirements, so full effect requires consulting that instrument.","No technical or timing details in this text — increases reliance on external document for operational impact.","Legal effect (supersession) is clear but limited in scope; low interpretive complexity."],"plain_english_summary":"### What this document does\n\nThis is a short entry in the Commonwealth Civil Aviation Orders, Part 105 (Schedule of Airworthiness Directives). It records that Airworthiness Directive AD/G159/7, which applied to Gulfstream (Grumman) G.159 series aeroplanes, has been superseded. The entry gives the date of supersession as 12/67 and records that AD/G159/7 is replaced by AD/AIRCON/2 (as shown in the Part 105 Schedule entry).\n\n### Who it affects\n\n- Aircraft owners and operators of Gulfstream (Grumman) G.159 series aeroplanes that are subject to Australian Civil Aviation Orders. (Source: Part 105 Schedule heading and the AD title.)\n\n### How it works mechanically\n\n- The entry makes a procedural change: AD/G159/7 no longer applies because it has been superseded (\"Superseded 12/67\").\n- The new controlling directive is AD/AIRCON/2 (\"Superseded by AD/AIRCON/2\"). Operators must consult AD/AIRCON/2 for the current mandatory requirements. (Source: the supersession and replacement lines in the entry.)\n\n### Who pays and who decides\n\n- The Civil Aviation Safety Authority (through the Civil Aviation Orders framework) is the decision-maker that issued and recorded the supersession in the Part 105 Schedule. (Source: the document header.)\n- Costs of complying with any inspections, repairs, modifications or administrative steps required by the replacement directive are borne by the affected aircraft owners/operators; this entry itself does not specify the actions or costs. (Source: the document records only the supersession and replacement.)\n\n### Behaviour changes and compliance burden\n\n- The immediate behavioural change is administrative: affected parties should stop relying on AD/G159/7 and follow AD/AIRCON/2 instead.\n- This entry does not contain technical requirements, timelines, or penalties — those will be in AD/AIRCON/2. Operators must obtain and follow that replacement directive to know what inspections, repairs, or records are required. (Source: only the supersession and replacement are recorded here.)\n\n### Implementation notes, risks and trade-offs\n\n- The entry is procedural and does not state substantive requirements; the practical effect depends entirely on the content of AD/AIRCON/2. Therefore, the main compliance risk is a failure by an owner/operator to obtain and implement the replacement AD.\n- Because this entry contains no technical detail, it does not itself allocate specific costs or give any discretion to operators beyond the obligation to follow the replacement AD. (Source: the Part 105 Schedule entry text.)"}},"importantCases":[],"_links":{"self":"/api/acts/ad-g159-7-superseded","history":"/api/acts/ad-g159-7-superseded/history","analysis":"/api/acts/ad-g159-7-superseded/analysis","conflicts":"/api/acts/ad-g159-7-superseded/conflicts","importantCases":"/api/acts/ad-g159-7-superseded/important-cases","documents":"/api/acts/ad-g159-7-superseded/documents"}}