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Civil Aviation Safety

Navigability Instructions & Airworthiness Directives

Access urgent and standard navigability instructions issued by OSAC for civil aviation operators and maintenance personnel across France.

Browse by Manufacturer Latest Dispatches

Covered Manufacturers

AIRBUS AGUSTA WESTLAND LEONARDO BOMBARDIER BRP-ROTAX DAHER AEROSPACE ROLLS-ROYCE 328 SUPPORT SERVICES

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How to Access

Find the Directives You Need

Navigability instructions are available through several search and browse methods, designed to help operators and maintenance organisations quickly locate the relevant directives for their fleet.

  • By Manufacturer: Browse directives grouped by responsible party, including Airbus, Leonardo, Bombardier, and Dornier.
  • By Reference: Look up specific directive numbers such as EU-2018-0265-E.
  • Latest Dispatches: Review recently issued instructions and urgent safety notices.
Browse by Manufacturer
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Comprehensive Coverage

Aircraft Types & Components Covered

OSAC navigability instructions span a wide range of aircraft and systems, ensuring safety compliance across the French civil aviation fleet.

Search by Reference
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Fixed-Wing Aircraft

Airbus A320, A330, A340, A350 series; Bombardier CL-600; Dornier 328

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Helicopters

Agusta A109, AW139, and Leonardo helicopter models

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Engines & APUs

Rotax 914, Rolls-Royce PLC power plants, and auxiliary power units

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Urgent Directives

Immediate-action safety notices requiring prompt attention from operators

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Summary Indices

Consolidated indexes of instructions issued from specific dates for quick reference

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Search Functionality

Locate directives by reference code or responsible navigability party

Trusted Resource

Relied Upon by Aviation Professionals

"The navigability instructions published by OSAC are essential for maintaining our fleet's airworthiness. The manufacturer-based organisation makes finding relevant directives straightforward."

— Aircraft Maintenance Organisation, Toulouse

"Having urgent CNs clearly flagged and accessible by reference number helps us respond quickly to safety-critical updates across our helicopter operations."

— Helicopter Operator, Marseille

"The summary indices are invaluable for periodic compliance reviews. We rely on OSAC's published directives to stay current with all applicable airworthiness requirements."

— Regional Airline, Lyon

Get in Touch

For inquiries regarding navigability instructions or airworthiness directives, contact OSAC.

📍 OSAC – Office des Services de l'Aviation Civile, France
📞 +33 1 23 45 67 89
✉ contact@osac-aviation.fr

Send a Message