{"id":"F2006B05230","name":"AD/CESSNA 206/26 - Ammeter Type and Position","slug":"ad-cessna-206-26-ammeter-type-and-position","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":45509,"registerId":"commonwealth-F2006B05230-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 206/26 - Ammeter Type and Position","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nCessna 206 Series Aeroplanes\n\nAD/CESSNA 206/26 Ammeter Type and Position 9/78\n\nApplicability: All models.\n\nRequirement: 1. Inspect aircraft to ascertain if the ammeter has been modified in accordance with Rex Drawing RA-A-1109 or if a centre zero ammeter (charge/discharge type) is connected in the alternator line.\n\n    2. Reconnect centre zero ammeter (charge/discharge type) into the battery line in accordance with original Cessna wiring diagrams.\n\nNote: This requirement can be quickly checked by switching on the battery master switch (alternator not running) and a load such as a landing light switch and noting the following:\n\n    if ammeter reads below zero in the discharge sector then it is connected in the battery line.\n\n    b. if the ammeter still reads zero when a load is applied it is quite possibly connected in the alternator line and needs to be reconnected into the battery line.\n\nCompliance: Within the next 100 hours time in service after 30 September 1978.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1551},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive remains narrowly focused on its original purpose: correcting ammeter wiring configurations in Cessna 206 series aircraft. It has not expanded beyond the specific technical safety issue identified in 1978."},"complexity_factors":["Single, specific mechanical issue with no conditional exceptions","No defined terms or interpretative provisions","Simple visual inspection test provided for immediate verification","Straightforward compliance action (rewire) with reference to manufacturer diagrams only"],"plain_english_summary":"This directive corrects a wiring fault in Cessna 206 aircraft where a centre-zero ammeter may be tied to the alternator instead of the battery, giving falsely neutral readings while the battery is discharging. Owners/operators must inspect and, if needed, rewire the ammeter to the battery line per Cessna diagrams. A simple power-on landing-light test can reveal the fault. Compliance required within 100 flight hours after 30 September 1978."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-206-26-ammeter-type-and-position","history":"/api/acts/ad-cessna-206-26-ammeter-type-and-position/history","analysis":"/api/acts/ad-cessna-206-26-ammeter-type-and-position/analysis","conflicts":"/api/acts/ad-cessna-206-26-ammeter-type-and-position/conflicts","importantCases":"/api/acts/ad-cessna-206-26-ammeter-type-and-position/important-cases","documents":"/api/acts/ad-cessna-206-26-ammeter-type-and-position/documents"}}