{"id":"F2008L01621","name":"AD/CESSNA 320/4 - Safety Harness - Installation - CANCELLED","slug":"ad-cessna-320-4-safety-harness-installation-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":73863,"registerId":"commonwealth-F2008L01621-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Cessna 320 Series Aeroplanes","sectionType":"division","heading":"Cessna 320 Series Aeroplanes","content":"### Cessna 320 Series Aeroplanes\n\n| AD/CESSNA 320/4 | Safety Harness - Installation | 6/2008 |\n| --------------- | ----------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                |\n| ------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 5 June 2008.                                                                                                                                                                                                                                      |\n| Background:  | This unique Australian airworthiness directive (AD), issued in 1968, required the installation of an approved safety harness with upper torso restraint to the pilot and co-pilot seats for Cessna 320F aircraft. This AD has been replaced by AD/GENERAL/74 Amendment 1. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n21 April 2008","sortOrder":0},{"sectionNumber":"AD/CESSNA 320/4","sectionType":"part","heading":"AD/CESSNA 320/4","content":"## AD/CESSNA 320/4","sortOrder":1},{"sectionNumber":"Safety Harness - Installation","sectionType":"part","heading":"Safety Harness - Installation","content":"## Safety Harness - Installation","sortOrder":2},{"sectionNumber":"6/2008","sectionType":"part","heading":"6/2008","content":"## 6/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1535},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This cancellation instrument performs its sole intended function: removing the previous specific AD and noting its replacement. No expansion of scope has occurred."},"complexity_factors":["Single operative provision (cancellation only)","No defined terms or interpretation section","No conditional logic or exceptions","Substantive requirements contained in referenced replacement instrument only"],"plain_english_summary":"This instrument formally **cancels an old 1968 safety rule** that required shoulder harnesses (seatbelts with upper torso restraints) to be installed on the pilot and co-pilot seats of **Cessna 320F aircraft**.\n\n**What it does:**\n- Cancels Airworthiness Directive (AD) AD/CESSNA 320/4 effective 5 June 2008\n- Removes a unique Australian-specific requirement that applied only to this specific aircraft model\n- Confirms that the safety requirement is now covered by a general rule (**AD/GENERAL/74 Amendment 1**) instead\n\n**Who it affects:**\n- Owners and operators of Cessna 320F aeroplanes\n- Maintenance organisations servicing these aircraft\n\n**Why it matters:**\nThis is regulatory housekeeping. The aircraft still need the safety harnesses, but owners now follow the consolidated general directive rather than this decades-old model-specific rule. This reduces red tape by eliminating redundant legislation."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-320-4-safety-harness-installation-cancelled","history":"/api/acts/ad-cessna-320-4-safety-harness-installation-cancelled/history","analysis":"/api/acts/ad-cessna-320-4-safety-harness-installation-cancelled/analysis","conflicts":"/api/acts/ad-cessna-320-4-safety-harness-installation-cancelled/conflicts","importantCases":"/api/acts/ad-cessna-320-4-safety-harness-installation-cancelled/important-cases","documents":"/api/acts/ad-cessna-320-4-safety-harness-installation-cancelled/documents"}}