Draft Advisory Circulars
Draft Advisory Circulars Open for Comment
AC43-14 (draft revision 5) Avionics, Installations: Acceptable Technical Data (PDF 480 KB)
Revision 5 intends to update the guidance on installation of TSO C-126 ELTs in Appendix 2 to this advisory circular; and makes general editorial changes.
Comments close 30 Apr 2018
Please forward comments to:
Charlie Morris
Airworthiness Engineer (Avionics)
AC43-11 (draft revision 3) Aircraft Emergency Locator Systems (PDF 76 KB)
Revision 3 intends to update the emergency locator transmitter (ELT) testing requirements.
Comments close 30 Apr 2018
Please forward comments to:
Charlie Morris
Airworthiness Engineer (Avionics)
AC139-8 (draft revision 3) Aerodrome Design: Heliports (PDF 767 KB)
Draft revision 3 intends to replace non-ICAO abbreviation for touchdown and lift-off area, TALO, with the correct abbreviation, TLOF.
Comments close 16 Mar 2018
Please forward comments to:
Nick Jackson
Senior Aeronautical Services Officer, Aeronautical Services Unit
AC19-1 (draft revision 1) Test Pilot Approvals (PDF 243 KB)
Draft revision intends to replace advisory circular AC19-1 Revision 0.
Comments close 22 Jan 2018 now extended to 22 Feb 2018
Please forward comments to:
Pete Sutherland
Technical Programme Manager, Aircraft Certification Unit
Draft Advisory Circulars Closed for Comment
Airworthiness Engineer (Avionics)