< Back MTD-03-2025 - Marquart Charger Aileron Slave Strut 25 Jul 2025 LAA MTD-03-2025 - Marquart Charger Aileron Slave Strut The starboard aileron slave strut on Marquart Charger G-BHBT failed at the AN490 threaded fitting welded into the bottom end. A large proportion of the cross-section was cracked due to fatigue prior to final failure. The root cause of the fatigue cracking was probably flutter. Due to the difficulty of reliably inspecting for fatigue cracking at the base of threads, it has been decided to withdraw this strut design from the UK fleet. MTD-03-2025 can be found HERE and is found below. MTD-03-2025 - Marquart Charger Aileron Slave Strut .pdf Download PDF • 194KB Next Previous

< Back uAVionix AV30E approved as a back-up EFIS 8 Jun 2023 We've recently added the uAvionix AV30E to our list of approved backup EFIS units for use in Permit aircraft. The EFIS units listed in TL3.20 may be used without further reference to LAA Engineering, although your LAA inspector will need to make a Permit Maintenance Release (PMR) entry in the airframe logbook quoting this Technical Leaflet reference. Next Previous

< Back Christmas 2025 Closing Dates 23 Dec 2025 The LAA will close on Wednesday 24th December at midday and re-open on Monday 5th January 2026. Wishing all our members a Very Merry Christmas and a Happy New Year! Next Previous

< Back LAA Alert A-14-2025 - Eurofox Fuel Line Disconnected In-Flight 11 Dec 2025 LAA Alert A-14-2025 - Eurofox Fuel Line Disconnected In-Flight A non-LAA, Factory-Built Eurofox with a Rotax 915, fuel-injected engine experienced an in-flight engine shut down due to the high pressure (4.5 Bar) fuel hose connecting the high-pressure fuel pump unit to the master fuel valve becoming detached from the master fuel valve during flight. This resulted in the engine stopping and a serious fuel leak in the cockpit. It is believed that a combination of the fitting’s shallow barbs, and a small fuel leak of high-pressure fuel through the scratched/cut hose lubricated the fitting’s brass surface and allowed the hose to slide off the fitting. Owners and Inspectors should pay close attention to fuel hose condition and attachment security during inspections. Any signs of movement, wear, or mismatch between hose and fitting must be addressed before the aircraft flies again. Please refer to the attached Alert here for full details and recommended checks. A-14-2025 - Eurofox Fuel Line Disconnected In-Flight .pdf Download PDF • 145KB Next Previous

< Back Alert A-06-2025 - Christen Eagle II Canopy Detachment 12 Jun 2025 LAA Alert A-06-2025 - Christen Eagle II Canopy Detachment LAA Alert A-06-2025 has been published on the LAA website (and is also attached), highlighting a recent Christen Eagle II Canopy detachment in flight due to damage of the canopy locking pin brackets, which were bent as a result of draught excluding foam being installed at the front edge of the canopy, placing excessive force on these brackets, so that they deformed. A-06-2025 - Christen Eagle II Canopy Detachment .pdf Download PDF • 474KB Next Previous

< Back Alert A-04-2025 - Jabiru Flywheel Bolts 12 Jun 2025 LAA Alert A-04-2025 - Jabiru Flywheel Bolts LAA Alert A-04-2025 has been published on the LAA website (and is also attached), highlighting the Installation Procedure, Torque Checks and Replacement Interval for Flywheel Attachment Bolts on aircraft equipped with Jabiru 2200, 3300 and 5100 engines, and withdrawal of LAA Alert AWA/20/15. With the advice in JSB-012 (Issue 9 onward) having been promulgated by Jabiru, LAA has withdrawn Alert AWA/20/15, which means that provided the advice in JSB-012 Issue 9 or subsequent is followed, along with regular bolt torque checks at every 100 hours and annual check as called for in the Engine Maintenance Manual, the recommended bolt life is as stated in the Engine Maintenance Manual (currently 500 hrs). For LAA aircraft having the flywheel bolts replaced, or torque checked, the work must be overseen and signed-for by a suitably approved LAA Inspector. Engine logbook entries must be made and certified with a PMR statement referencing JSB-012 in the logbook white pages, as well as an entry in the logbook pink pages (or equivalent method for tracking continued airworthiness compliance). A-04-2025 - Jabiru Flywheel Bolts .pdf Download PDF • 202KB Next Previous

< Back Van's Aircraft laser-cut parts - update 20 Oct 2023 Since our mention of this issue in the August edition of Light Aviation , Van’s Aircraft have been toiling away analysing and testing various structural elements to establish the effect that the laser cutting of parts has had on their strength and fatigue life. Detailed updates can be found on their website, but understandably UK builders and operators are seeking clarity on what the endgame will be on this issue. As the issue generally affects potential fatigue life, there is no immediate need to take action. In discussion with Rian Johnson, Van’s President and Chief Engineer, he tells us that they’re working on service information for the fleet that they expect to be published by the end of the year. Having worked closely with Van’s over many years, our expectation is that we will endorse their position. Next Previous

< Back Alert A-09-2025 - Hairline Cracking in Woodcomp Klassic Propeller Blades 19 Aug 2025 Alert A-09-2025 - Hairline Cracking in Woodcomp Klassic Propeller Blades LAA Alert A-09-2025 has been published on the LAA website (and is also attached), highlighting reports of Woodcomp Klassic blades found with hairline cracks in the blade’s surfaces, running chordwise, usually outboard of about 30% radius. The Alert described actions for Owners to take if such cracks are found and to contact LAA Engineering. A-09-2025 - Woodcomp Klassic Propeller Blades issue 1 .pdf Download PDF • 205KB Next Previous

< Back New LAA Inspector - Ian Pattingale 6 Feb 2024 It is time to introduce you to the final new LAA Inspector from the recent batch of LAA Inspector Assessment Days - Ian Pattingale. Ian spent 9 years in the RAF as a propulsion technician, after a brief spell as a Development Engineer. He then spent the following 30 years at British Airways in various roles from aircraft Technical Instructor to B737 Flight Test Engineer. His current job is as an Engineer in London Heathrow Engineering Operations, where we are responsible for providing serviceable aircraft to support the flying programme. He's a keen glider pilot with a current 'Full Cat' instructor rating, as well as a 'Senior Inspector/Chief Engineer (ARC Signatory)' on wood, composite and metal airframes for gliders. In addition, he's a B1 Licensed, with current B777 ratings . As a member of the Vintage Gliding Club, Ian is keen to promote the continuing airworthiness of 'vintage' glider types - a current project that I am working on is the restoration of a 1976 Schleicher ASK18 to a fully airworthy flying condition. Next Previous

< Back New LAA Inspector - Malcolm Talbot 14 Jul 2025 We are pleased to welcome Malcolm Talbot as a new LAA Inspector, having attended an LAA Inspector Assessment Day at Turweston recently. Malcolm holds a BSc(Hons) with the Open University in Maths, Technology and Engineering. He has held a PPL since 2010 and been a Flight Instructor FI since 2019, (having passed the CPL theory exams),. He is currently instructing for Moray Flying Club and Highland Aviation, and recently become a ground examiner. Malcolm built and flies a Eurofox, which first flew in 2013. He thoroughly enjoyed the build process. Next Previous

Info Library Navigate the folders below for any document that you require, like you would on your computer. To search for a particular document, use the 'magnifying glass' symbol below on the right.

< Back Engineering updates in July 7 Aug 2025 The following documents have been issued/updated in the Engineering 'Info Library' during July. Continuing airworthiness information : Mandatory Technical Directive MTD-05-2024 issue 2 - Jabiru distributor caps Mandatory Technical Directive MTD-03-2025 - Marquart Charger aileron slave strut Alert A-05-2024 issue 2 - Rotax engine oil spray nozzle Alert A-07-2025 - Glastar aileron servo-tab pushrod cracking Alert A-08-2025 - Gen 4 Jabiru engine crankshafts Technical leaflets : TL 2.00 - Revalidating your aircraft's Permit to Fly TL 2.19 - The LAA Generic Maintenance Schedule TL 2.33 - Insepctor categories for type TADS : 274 - Europa 315 - Eurostar 324 - Supermarine Spitfire mk26 Propeller type lists PTL/1 : Kitfox mk1/mk2/mk3 Forms : LAA/AR-REF (FB GYROPLANE) - Airworthiness review reference guide (crib sheet) LAA/AR-REF (HOMEBUILT GYROPLANE) - Airworthiness review reference guide (crib sheet) LAA/AR-REF (FIXED WING) - Airworthiness review reference guide (crib sheet) LAA/CFS-1 (GYRO) - Check flight schedule LAA/CFS-1 (FIXED WING) - Check flight schedule LAA/FBG-SUPP - Supplement to factory-built gyroplane revalidaton form LAA/PFRC-1 - Permit Flight Release Certificate LAA/FT-NEW - Flight test schedule, new builds, transfers, modifications and repairs LAA/FT-ENG - Flight test schedule, engine modifications Next Previous