{"id":"F2006B06484","name":"AD/RAD/20 - King VHF - KTR-900 Transceiver - Modification","slug":"ad-rad-20-king-vhf-ktr-900-transceiver-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48009,"registerId":"commonwealth-F2006B06484-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/RAD/20 - King VHF - KTR-900 Transceiver -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/20 King VHF - KTR-900 Transceiver - Modification 5/68\n\nApplicability: All “King” KTR-900 series VHF Transceivers S/Nos. below 2001. Document:  King Radio Corp. SB No. KTR-900 Export 1.\n\nCompliance: Before 1 August 1968.\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":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1157},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow technical scope, targeting only the specific modification of early-production King radio transceivers as originally intended."},"complexity_factors":["Single, unambiguous compliance requirement","No defined terms or interpretation sections","Narrow applicability limited to specific equipment model and serial number range","No conditional exceptions or nested requirements","Brief document with no cross-references to other legislative provisions"],"plain_english_summary":"This is an airworthiness directive — a mandatory safety instruction for aircraft owners and operators.\n\n**What it requires:**\nOwners of specific King brand radio transceivers must modify their equipment according to manufacturer instructions.\n\n**Who it affects:**\n- Anyone operating an aircraft with a **King KTR-900 series VHF transceiver** (a type of radio communication device)\n- Only applies to units with **serial numbers below 2001**\n\n**What must be done:**\n- Carry out the modification specified in **King Radio Corporation Service Bulletin KTR-900 Export 1**\n- Complete the work **before 1 August 1968**\n\n**Why it matters:**\nAirworthiness directives are legally binding safety orders. If you don't comply, your aircraft may be grounded or deemed unairworthy. This specific directive addresses a technical issue with early production units of this radio model to ensure reliable communication in flight."}},"importantCases":[],"_links":{"self":"/api/acts/ad-rad-20-king-vhf-ktr-900-transceiver-modification","history":"/api/acts/ad-rad-20-king-vhf-ktr-900-transceiver-modification/history","analysis":"/api/acts/ad-rad-20-king-vhf-ktr-900-transceiver-modification/analysis","conflicts":"/api/acts/ad-rad-20-king-vhf-ktr-900-transceiver-modification/conflicts","importantCases":"/api/acts/ad-rad-20-king-vhf-ktr-900-transceiver-modification/important-cases","documents":"/api/acts/ad-rad-20-king-vhf-ktr-900-transceiver-modification/documents"}}