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Engineering Alerts & News
Airworthiness Alerts

Airworthiness alerts

One of the key strengths of the LAA's system is that we can monitor the fleet centrally and keep track of airworthiness incidents from around the world. Where necessary, we can then let our owners know, to help them keep flying safely.


Latest Alerts:


1st December: Clued UP - Winter Flying


26th November: Bristell NG-5 Aircraft : Operating Limitations Document Change & Requirement to Re-Weigh Aircraft


17th November: Aeroprakt A22, A22-L, A22-LS & A22-L2 Foxbat Aircraft - Inspection of the Attachment of the Nose Undercarriage Leg Support Block


3rd November 2020: Wilksch WAM-120 - Torque Check and Service Life of Flywheel Attachment Screws


29th October 2020: Titan Aircraft Company T51 Mustang - Seat Belt Attachment


21st July 2020: Bristell NG-5 Aircraft - Change in the Pilot and Passenger Moment Arm measurement to be Used in Pre-flight Centre of Gravity Calculations


6th July 2020: CAA CAP 1881 In-Focus Special - Are You Breathing Easily?


9th June 2020: Alpi Pioneer Aircraft (All Types) - Inspection of Control Surface Hinge Attachment Cap Bolts : Extension of Compliance Time Due to the Corona Virus Outbreak


8th June 2020: Jabiru Engines : Flywheel Attachment Bolts - In-Service Life and Changes to Bolt Locking Method


8th June 2020: Jabiru Engine Overhauling - Important Build Issues


2nd June2020: Dynon Technical Service Bulletin - Kavlico Fluid Pressure Sensors


12th May 2020: Low-Hours Propeller Inspection Protocol (LPIP)


30th April 2020: Aerotechnik EV-97 Eurostar (All Marks) - Inspection of Fuel Filler Hose - Version 2


30th April 2020: Arplast PV-50 Propeller - Establishment of Correct Mechanical Fine Pitch Stop Setting


22nd April 2020: Ageing Aircraft Component Reliability & Associated Acceptance of Replacement Parts.


17 April 2020: Return to Service Post Coronavirus (Covid-19)


3rd April 2020: LAA Technical Leaflet (TL 3-27) Ballistic Parachute Recovery Systems


27th March 2020: Ikarus C42 (All Models)


27th March 2020: Aerotechnik EV-97 Eurostar (All Marks)


04th March 2020: Carbon Monoxide Contamination Minimisation & Detection In General Aviation Aircraft


27th Feb 2020: Van’s RV-12 - Nose Undercarriage Leg Replacement (Van’s SB 19-08-26)


26 Feb 2020: Van’s RV-12: Inspection for Cracks in the Nosewheel Fork (Van’s SB 16-05-23)


19 Feb 2020: Groppo Trail & Groppo Trail Mk. 2 : Lift Strut to Wing Attachment Swivel Bolts Implementation of Hours-Based Bolt Life


19 Dec 2019: Trio 'Gold Standard' Auto-Pilot Servo Addition of Fail-Safe Washers and Cotter Pin to Prevent the Possibility of a Control Jam


16 Dec 2019: Rotax 915i A & Rotax 912i (Series) Aircraft Engines Replacement of Fuel Pump Assembly


03 Dec 2019: Alpi Pioneer Aircraft (All Types) Inspection of Control Surface Hinge Attachment Cap-Bolts


28th Nov 2019 : Jodel DR100 (Series) Aircraft Inspection of the Tubular Frame of the Front Seats


6th Nov 2019 : Alpi Pioneer Aircraft (All Types) : Inspection of Control Surface Hinge Attachment Cap-Bolts


Full listing



Engineering news

Mogas containing up to 5% ethanol

LAA Engineering has started to approve aircraft with certain engines to use 'E5' mogas. Further information can be found on the E5 Mogas page (Aircraft & Technical - Operating & Maintaining Aircraft - E5 Mogas). The information includes general conditions and checks to be made, as well as downloadable placards. The placards may alternatively be requested from Engineering by sending in a stamped, self-addressed envelope. Placards for aircraft fitted with eligble engines will also be included with the Certificate of Validity at Permit revalidation.


Engine condition monitoring programme

A useful addition to the Aircraft Maintence section is a spreadsheet that is designed to record up to 10 important engine parameters that will automatically produce graphical representations of each parameter based on both calender time and engine hours. Have a browse


Aircraft design section

The Aircraft Design Section contains a variety of Excel spreadsheets designed to assist in the many calculation tasks required in aircraft design and development.  Although limited to start with, we are working to add new content on a regular basis.  Have a browse


Popular Plans-Built aircraft you can build

All the aircraft are on the LAA's approved aircraft list;

The plans are available;

The aircraft has been built and approved in the UK.

Choose from single seats, two seats or amphibians


Technical leaflets

Building, Buying or Importing an Aircraft

Operating an Aircraft on a LAA Permit

Modifications and Repairs


Airworthiness Alerts

Latest: 1st December 2020

Full listing