{"id":"F2006B08083","name":"AD/CESSNA 210/34 - Ammeter Type and Position - Inspection and Modification","slug":"ad-cessna-210-34-ammeter-type-and-position-inspection-and-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115184,"registerId":"commonwealth-F2006B08083-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 210/34 - Ammeter Type and Position - Inspection and Modification","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 210 Series Aeroplanes\n\nAD/CESSNA 210/34 Ammeter Type and Position \\- Inspection\n\nand Modification\n\n  \n9/78\n\nApplicability: All models.\n\nRequirement: 1. Inspect aircraft to ascertain if the ammeter has been modified as per Rex Drawing RA-A-1109 or if a centre zero ammeter (charge/discharge type) is connected in the alternator line.\n\n2. Reconnect centre zero ammeter (charge/discharge type) into the battery line a per 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    (a) 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 possible 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":1713},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a targeted safety directive addressing a specific known wiring fault in Cessna 210 aircraft. The scope remains limited to inspection and correction of ammeter positioning with no evidence of expansion beyond the original technical safety intent."},"complexity_factors":["Single-page directive with one primary requirement","No interpretation section or defined terms","Simple pass/fail inspection test provided in the Note","Requires reference to external technical drawings (Cessna wiring diagrams and Rex Drawing RA-A-1109)","Clear, unconditional compliance deadline"],"plain_english_summary":"Owners of Cessna 210 aircraft must inspect whether their centre-zero ammeter is wired to the battery line and, if it’s tied to the alternator, rewire it to the battery per Cessna wiring diagrams. This prevents a false zero reading on alternator failure that can hide battery discharge and risk total electrical failure.\n\nDo the simple battery/landing-light test and complete repairs within 100 flight hours after 30 Sept 1978."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-210-34-ammeter-type-and-position-inspection-and-modification","history":"/api/acts/ad-cessna-210-34-ammeter-type-and-position-inspection-and-modification/history","analysis":"/api/acts/ad-cessna-210-34-ammeter-type-and-position-inspection-and-modification/analysis","conflicts":"/api/acts/ad-cessna-210-34-ammeter-type-and-position-inspection-and-modification/conflicts","importantCases":"/api/acts/ad-cessna-210-34-ammeter-type-and-position-inspection-and-modification/important-cases","documents":"/api/acts/ad-cessna-210-34-ammeter-type-and-position-inspection-and-modification/documents"}}