{"id":"F2006B06490","name":"AD/RAD/29 - Sunair HF Transceiver - Modification","slug":"ad-rad-29-sunair-hf-transceiver-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48029,"registerId":"commonwealth-F2006B06490-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/RAD/29 - Sunair HF Transceiver - 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 - 107 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Radio Communication and Navigation Equipment\n\n \n\nAD/RAD/29 Sunair HF Transceiver - Modification 3/76\n\nApplicability: Sunair HF Transceiver ASB-100A power amp/power supply P/No. PA-1010A and S/No. 4489 and below;\n\n \n\nand Sunair HF transceiver ASB-100 power amp/power supply - All S/Nos.\n\n \n\nRequirement: 1. Modify affected equipment in accordance with Sunair SB No. 100A-001, dated 4/15/74.\n\n \n\n2. Identify modified equipment by marking in a permanent manner “-001\" adjacent to the PA-1010 ( ) connector.\n\n \n\nCompliance: Before March 31, 1977.\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":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2279},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow technical scope as issued in 1976, limited to mandating a specific safety modification for identified radio transceiver models. No evidence of scope creep beyond the original equipment safety fix."},"complexity_factors":["Very short document (under 150 words) with narrow, specific applicability","Clear identification of affected equipment using exact part and serial numbers","Single unambiguous requirement referencing one external technical standard","Absolute compliance deadline with no conditional exceptions or alternative compliance methods"],"plain_english_summary":"This Airworthiness Directive requires owners/operators of aircraft with Sunair HF transceivers—ASB-100A with PA-1010A serial numbers 4489 and below, and all ASB-100 units—to modify the equipment per Sunair Service Bulletin No. 100A-001 (15 Apr 1974) and permanently mark “-001” beside the PA-1010 connector. The work was required by 31 March 1977. Compliance is legally mandatory; unmodified aircraft are not airworthy."}},"importantCases":[],"_links":{"self":"/api/acts/ad-rad-29-sunair-hf-transceiver-modification","history":"/api/acts/ad-rad-29-sunair-hf-transceiver-modification/history","analysis":"/api/acts/ad-rad-29-sunair-hf-transceiver-modification/analysis","conflicts":"/api/acts/ad-rad-29-sunair-hf-transceiver-modification/conflicts","importantCases":"/api/acts/ad-rad-29-sunair-hf-transceiver-modification/important-cases","documents":"/api/acts/ad-rad-29-sunair-hf-transceiver-modification/documents"}}