{"id":"F2006B09432","name":"AD/ELECT/58 - SAFT 1606-1 Batteries","slug":"ad-elect-58-saft-1606-1-batteries","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":53840,"registerId":"commonwealth-F2006B09432-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/ELECT/58 - SAFT 1606-1 Batteries","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 107 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nElectrical Equipment\n\nAD/ELECT/58 SAFT 1606-1 Batteries 2/91\n\nApplicability: All SAFT 1606-1 batteries equipped with temperature probes, and fitted to aircraft or held as spares.\n\nNote: Aircraft known to be fitted with this type of battery include, but are not limited to Aerospatiale AS 350 and AS 355 helicopters.\n\nRequirement: Verify the presence of the battery shunt (jumper) between terminals 2 and 3 of the female plug on the battery temperature probe cable. If the shunt is missing, install a shunt P/No 161-211 and ensure correct operation of the temperature probe system.\n\nNote: DGAC AD 90-198-056(B) also refers.\n\nCompliance: 1. For batteries fitted to aircraft: within 50 hours time in service after 21 February 1991.\n\n2. For uninstalled batteries: before installation in an aircraft.\n\nBackground: Advice has been received that the temperature probe shunt may be not installed or missing on some SAFT 1606-1 batteries which may result in nil operation of the temperature sensing system, and therefore failure to detect a potentially dangerous overheated battery condition.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific manufacturing defect in a specific battery model. It has not expanded beyond its original purpose of ensuring temperature probe functionality."},"complexity_factors":["Single, specific technical requirement (verify/install shunt)","Only one defined part number referenced (P/No 161-211)","Simple two-part compliance structure (installed vs. spare batteries)","No cross-references to other legislation sections","Straightforward conditional logic (if missing, then install)","Brief document (approximately 200 words)"],"plain_english_summary":"This mandatory CASA Airworthiness Directive requires operators and spare-holders of SAFT 1606-1 aircraft batteries with temperature probes to verify a small metal shunt is fitted between two terminals on the probe cable — and install it if missing. Without the shunt temperature monitoring can fail, risking undetected overheating, fire or explosion. It mainly affects AS350/AS355 helicopters and any aircraft using this battery; checks must be done within 50 flight hours (installed) or before fitting spares."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive retains a narrow scope: it targets only SAFT 1606-1 batteries equipped with temperature probes, whether installed or held as spares, and prescribes specific corrective action and compliance timings. It does not expand to other battery types or broader systems."},"complexity_factors":["Narrow applicability: only SAFT 1606-1 batteries with temperature probes.","Simple, discrete technical action: verify presence of a specific shunt between terminals 2 and 3 and install a identified part (P/No 161-211) if absent.","Dual compliance timing: one deadline for batteries fitted to aircraft (50 hours TIS after specified date) and a different requirement for uninstalled batteries (before installation).","Operational impact limited to maintenance personnel and owners/operators holding spares.","Safety-critical verification and functional test requirement (ensure correct operation of temperature-probe system) imposes minor testing burden.","No discretionary exemptions or complex procedural criteria in the text."],"plain_english_summary":"Requires inspection of every SAFT 1606‑1 battery with a temperature probe (installed or held as a spare) to confirm a shunt between terminals 2 and 3 on the female plug. If the shunt is missing, installers must fit shunt P/No 161‑211 and confirm the temperature‑probe system works. Applies to batteries already fitted to aircraft (check within 50 hours TIS after 21 Feb 1991) and to uninstalled batteries before installation. The rule addresses the risk that a missing shunt can disable temperature monitoring and fail to detect battery overheating."}},"importantCases":[],"_links":{"self":"/api/acts/ad-elect-58-saft-1606-1-batteries","history":"/api/acts/ad-elect-58-saft-1606-1-batteries/history","analysis":"/api/acts/ad-elect-58-saft-1606-1-batteries/analysis","conflicts":"/api/acts/ad-elect-58-saft-1606-1-batteries/conflicts","importantCases":"/api/acts/ad-elect-58-saft-1606-1-batteries/important-cases","documents":"/api/acts/ad-elect-58-saft-1606-1-batteries/documents"}}