< Back Permit Revalidation Forms updated 1 Dec 2023 The Airworthiness Review Report (LAA/ARR-1) and Permit Revalidation Application (LAA/PTF-REVAL) forms have both been upissued to Issue 6. These forms form part of the Permit to Fly Revalidation Process. The latest issues of the forms can be downloaded here . Technical Leaflet 2.00 (Revalidating your Aircraft's Permit to Fly) has also been updated to Issue 5 to reflect these changes and can be downloaded here . Next Previous

< Back Standard Modification for fresh air rotary ventilators added for Europa types 18 Oct 2023 A new Standard Modification (SM12871) has been uploaded to the website for Europa types. This covers the installation of rotary air vents in the forward cockpit to aid ventilation. Standard Modifications are used to enable other owners to install a modification on a given type, generally by following the instructions in the Standard Modification leaflet, having their inspector check and sign it off and letting LAA Engineering know that it's been installed. Further information on the Standard Modification process can be found in TL 3.06 Standard Modification leaflets can be found by following Engineering - Info Library - Engineering - Standard Modifictations. Technical leaflets can be found by following Engineering - Info Library - Engineering - Technical Leaflets. Next Previous

< Back Alert 05-2024 - Rotax Oil Spray Nozzles - upissued to Issue 2 24 Jul 2025 LAA Alert 05-2024 - Inspection and/or Replacement of Oil Spray Nozzle in some Rotax 900 series engines - upissued to Issue 2 On 16.12.24, Rotax issued a MANDATORY Service Bulletins SB 912 i-016/SB 915 i-016 / SB 916 i-006 and SB-912 i-016iS / SB-915 i-016iS / SB-916 i-006iS which call for urgent action for engines of specified models within certain serial number ranges, if the engine has run for less than 200 hours from new, or engines which have been fitted with specific overhaul kits supplied between 01.01.22 and 31.10.24 inclusive. Therefore, LAA Alert A-05-2024 was issued on 17th December 2024 regarding this. Subsequently, a revision to the Rotax Service Bulletins was issued on 20.12.24, entitled MANDATORY Alert Service Bulletins ASB 912 i-016 R1/ASB 915 i-016 R1 / ASB 916 i-006 R1 and ASB-912 i-016iS R1 / ASB-915 i-016iS R1 and ASB-916 i 006iS R1. Therefore, on 23rd July 2025, LAA Alert A-05-2024 was upissued to Issue 2, which now supersedes Issue 1. A-05-2024 Issue 2 can be found HERE and is also found below. The bulletin concerns problems with a possible full or partial blockage of the oil spray nozzle due to an excessive application of Loctite at the manufacturing stage, when assembling the sprag clutch housing. This can lead to inadequate cooling of the stator assembly, potentially causing loss of electrical power to the engine’s ECU. A-05-2024 Rotax Engine Oil Spray Nozzle Issue 2 .pdf Download PDF • 232KB Next Previous

< Back LAA Head Office closed on Friday 4th July 3 Jul 2025 LAA HQ will be closed on Friday 4th July 2025 due to the Silverstone Grand Prix. All staff will be working from home, so can continue to deal with your calls and emails, but will not be on site at Turweston to answer any questions directly or receive any hand-delivered documents. Next Previous

< Back Alert A-08-2025 - Gen 4 Jabiru 3300 Engine Crankshafts 25 Jul 2025 LAA Alert A-08-2025 - Gen 4 Jabiru 3300 Engine Crankshafts On 11.4.25, Jabiru Aircraft Pty Ltd issued a new Service Bulletin, JSB 046, which applies to specific Jabiru 3300 engines and requires the replacement of the crankshafts on engines within certain serial number ranges, which they state were supplied between April 2017 and June 2024. Jabiru regards the Bulletin as mandatory. The Bulletin advises that Jabiru has identified that, as a result of an issue with heat treatment, crankshafts supplied with the affected engines are in some cases susceptible to failure. Jabiru have specified that the crankshaft must be replaced by a crankshaft of the later, improved design. Affected crankshafts must be replaced prior to 15th December 2026, or 150 hours total time in service (TTIS), whichever occurs later. A-08-2024 can be found HERE and is also shown below. A-08-2025 - Gen 4 Jabiru 3300 Engine Crankshafts .pdf Download PDF • 202KB Next Previous

< Back LAA Alert for some models of Rotax Engines 1 Mar 2025 LAA Alert A-02-2025 has been published on the LAA website (and is also attached), highlighting a recent service bulletin published by Rotax regarding the inspection and/or replacement of the crankcase and/or gearbox housing on affected engines. Rotax has identified a potential manufacturing issue affecting the hardness values of the crankcase and/or gearbox housing materials in certain engines. These components may not meet the required specifications for material hardness, which could lead to reduced component durability and/or potential oil leakage. Rotax regards this bulletin as mandatory. A-02-2025 - Rotax Crankcase .pdf Download PDF • 220KB Next Previous

< Back Radio Operators Certificate of Competence 11 Jun 2025 Guidance to holders Next Previous

< Back LAA HQ over the Christmas Period 18 Dec 2023 LAA CHRISTMAS PERIOD Friday 22nd December 2023: Open until 12.00pm 25th Dec 2023 to 1st Jan 2024: CLOSED 2nd January 2024: OPEN as usual Wishing all our members and supporters a blessed Christmas! Next Previous

< Back New LAA Inspector - Alan Caldecourt 24 Oct 2024 The LAA is pleased to welcome Alan Caldecourt as a new LAA Inspector. Alan attended an Assessment Day at LAA HQ last month. Alan has experience of both wood and metal airframes, in full restoration and modifications (Rollason Condor & Luscombe Silvaire). In 2008, he completed a RV7 build and recommissioned a Taylor Monoplane in 2020. His whole career has been in the Airline Maintenance Industry, starting as an Apprentice with B.O.A.C in 1973, becoming a Licenced Aircraft Engineer. After 47 years service, he retired in 2020 along with the British Airways 747 Fleet ! He is currently based at Popham Airfield, but lives in West Sussex. Well done Alan! 🎉 Next Previous

< Back Advanced LAA Rally Camping Permits - Now closed. Camping permits can be bought onsite. Camping passes, which cover the duration of your stay, are available to purchase on arrival at a cost of £65. Camping facilities, providing basic amenities, including hot showers will be available on site. There is ample ground for caravans and mobile homes. The campsite will be open from midday Thursday 28th August and close on Monday morning 1st September. Please note entry to the Rally Exhibition Site is charged separately. Prices are for the duration of your stay. On site catering and bar will be available in the Exhibition area during event opening hours and evening food, bar and entertainment will be provided by Leicestershire Aero Club in the evenings. 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 MTD-04-2025 Issue 3 - Rans Control Linkage Rod End Connector Safety Washers 4 Dec 2025 MTD-04-2025 upissued to Issue 3 to amend the specification of the metal washers that must used to replace plastic washers. MTD-04-2025 Issue 3 is published in order to amend the specification of the metal washers that must be used to replace plastic washers. Therefore, MTD-04-2025 Issue 3 supersedes Issue 1 and 2. Issue 1 and 2 of this MTD are now cancelled. Please refer to the attached MTD document for full details and compliance instructions, which can also be found on the LAA website HERE . MTD-04-2025 - Rans Rod End Washers - Issue 3 .pdf Download PDF • 130KB Next Previous