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E5 Mogas Inspection Checklists for Jabiru 2200A, Jabiru 3300A, Rotax 2 Stroke, Rotax 4 Stroke, VW and VW-based engines can be found at the link below Inspection Checklists Other useful documentation is as follows: TL 2.26 Procedures for E5 Mogas use TL 2.20 Fuel Flow Checking Inspection Checks - Fuel Flow Rotax Service Instruction for 912/914 Rotax Service Instruction for 2-strokes Jabiru Service Letter Buy Mogas Placards Cockpit Placard Fuel Filler Placard

Night IFR Certain LAA types can be cleared for flight at night and/or under IMC (instrument meteorlogical conditions) - commonly referred to as 'Night/IFR' for convenience. The special Night/IFR requirements and process are detailed in technical leaflets TL 2.27 and 2.28, linked below, which are additional to the standard requirements applicable to any LAA aircraft. The special requirements involve the aircraft being of a type that demonstrates flight handling broadly in accordance with CS-23 subpart B (some types, including the RV-6 and RV-7, have a restricted aft cg limit to meet the pitch stability requirements), and each individual example must have a special IFR flight test to confirm it matches the first one tested. For a night clearance, the aircraft must also undergo a night test to check its lighting and general suitability for night flight. The aircraft must have accumulated enough flying hours in VFR to prove its reliability, and it must have an engine of a type accepted as being likely to be as reliable as a certified engine (for example we accept ‘clone’ Lycomings even though not certified). The propeller must be rain-proof, i.e. have hardened leading edges, and the aircraft must have an effective carb ice prevention system. The aircraft’s panel must have at least two independent attitude indicators, with either separate power sources or back-up internal power. If two EFIS are used to provide attitude information, with no other attitude instrument, then the two EFIS must be of different manufacturers so as to avoid the risk of simultaneous failures. There must be pitot heat, an alternative static and an OAT gauge. If the essential systems are relying on electrical power, the electrics must be designed to avoid being vulnerable to any single component failure, and if there is a single alternator there must be enough battery capacity to keep the essential systems running for an adequate time (at least 30 mins) before the battery goes flat. If two radios are fitted, they must not be both vulnerable to failure if any single component fails (e.g. must not be both fed through a single avionics master switch with no back-up power available). LAA does not specify what navigation or radio equipment is fitted, but as with a certified aircraft, the equipment fit determines what type of airspace can be used. An autopilot is not required, but certainly helps reduce pilot workload in sustained instrument flight. Non-certified equipment, including EFIS and autopilots, alternators, etc, are permitted, subject to the usual LAA checks. The aircraft has to be inspected initially and annually by an inspector with a special ‘night/IFR’ endorsement on their LAA inspector approval, and the aircraft is checked to have been built to an appropriate level of quality for a night/IFR aircraft. For example, quality of its instrument wiring, electrical power supply wiring, etc, are checked which are much more critical than in an aircraft only flying day VFR. The ASI and altimeter must be regularly calibrated, the battery must have a regular capacity check and the radios checked regularly by a qualified radio engineer. The aircraft must have an accepted pilot’s operating handbook and an acceptable maintenance schedule, and be maintained to that schedule. The application process involves not only a night/IFR inspector but also a night/IFR assessor who is one of a small band of LAA volunteers qualified to assess the design aspects of the aircraft’s systems and who compiles a technical report about the aircraft and if he is happy with it, includes a recommendation to remove the day-VFR only restriction. The report includes details of the aircraft’s systems, the special flight test reports, inspection reports, maintenance schedule and POH, a photo of the instrument panel and an electrical load analysis. This report is sent to LAA Engineering who checks through it and all being well, issues the aircraft new paperwork with the day and/or VFR restriction removed and replaced by limitations allowing IFR and/or night flight. All LAA night/IFR aircraft are restricted to not fly in the vicinity of thunderstorms and, for IFR cleared aircraft, take-off and landing in visibility less than 1500m is prohibited. The aircraft may not be operated in IMC below 500 ft agl for a precision approach, or 600 ft for a non-precision approach, or approach system limits, whichever is the greater. The pilot qualification for flying an LAA night/IFR aircraft at night or in IFR is the same as for flying a certified light aircraft at night or IFR. Aircraft types that have been successfully cleared for night/IFR flight include the RV-6, -7, -8, -9 and -10 (nosewheel and tailwheel variants – some with cg range restrictions), Europa and Cozy. Several of the modern lightweight 600 kg types have failed to comply due to low stability margins making them OK for day VFR flight but not suitable instrument platforms for night or IFR. Whilst a very few Rotax powered aircraft have been be to be cleared, most of the thirty or so LAA aircraft that have successfully transitioned are powered by Lycoming or Lycoming-clone engines. PROCESS SUMMARY LIST OF TYPES PERMIT IFR FEES NIGHT IFR INSPECTORS FAQs POH LITE TEMPLATE (PowerPoint File) NIGHT IFR PILOTS ACCEPTED INSTRUMENTS TL 2.27 - PROCEDURE FOR APPROVAL & TL 2.28 - ASSESSMENT OF AIRCRAFT LAA/MOD15 APPLICATION FORM

< Back Telephones 4 Apr 2024 Please note that the LAA phone system is being updated today and currently we are unable to receive any incoming calls. We appreciate the inconvenience this may be causing but we envisage they will only be down for part of the day. Next Previous

Inspector Training Seminars In 2018, the ‘Inspector Training Seminar’ (ITS) scheme was introduced. This means that, in order to continue operating as an Inspector, every Inspector must attend an ITS in the previous four years, as assessed on 31st March each year, as part of their recurrent training. All Inspector Training Seminars for spring 2025 have now been completed, there will be more Seminars planned for Autumn and Winter. Each Inspector Training Seminar is free-of-charge and includes a complimentary lunch. The day runs from 0930 to 1630. Any Inspector is welcome to book onto a seminar, effectively resetting their ITS attendance and therefore, recurrent training, early; but priority will be given to those Inspectors due for review by 31st March 2026. Please contact LAA Engineering for further details of exact venues and booking details.

Flight Testing Aircraft The following current flight test schedules are available for printing. These schedules are subject to change at any time and without notice. Ensure that the current flight test schedule is used otherwise it may not be accepted. For this reason it is not advisable to save these document on your computer. Flight Testing Forms & Schedules Other useful documentation is as follows: TL 1.19 Initial Testing Flying Pilot Briefing for First Flight TL 2.00 Revalidating a Permit to Fly CAP 1038 CAA Check Flight Handbook TL 3.19 Auto-Pilot Flight Test Notes TL 3.22 Flight Test Reports TL 3.23 Constant Speed Prop Set-Up TL 3.25 General notes and limitations on test flights Airpseed Indicator Calibration Climb-Performance Plotter FAA Flight Testing Handbook

< Back Mandatory Technical Directive issued for Pietenpol Air Campers 19 Jul 2024 Mandatory Technical Directive, MTD-06-2024 has been issued to introduce mandatory checks for corrosion on the wing rear struts. This follows a recent in-service finding where servere corrosion was found in a flying example of the type in the UK. The MTD must be carried out before further flight on or after 18th July 2024 on Pietenpol Air Camper aircraft fitted with the 'Jim Wills' wing rear struts. Next Previous

LAA Staff CEO Simon Tilling Chief Executive Officer An enthusiastic and experienced private pilot, Simon Tilling has been flying for 10 years. In his words, “my wife bought me a trial flying lesson for my birthday. I went for the flight which was at Old Sarum, and that was it. I was hooked and it was ‘love at first flight’ you might say.” He has owned a wide variety of light aircraft in the years since, including a number of LAA types. A keen air-racer, Simon is also a former British Air Racing champion and from 2020 to 2022, was the chairman of the Royal Aero Club ‘3Rs’ committee for Races, Records and Rallies, during which time he regenerated the appeal of airracing to new participants. He currently enjoys flying his 1942 Taylorcraft Plus D/AOP 1, and a North American Navion. Simon also enjoys restoring 1970’s motorcycles and collects Airfix kits from his childhood. Simon began his career working in the telecoms industry, before eventually moving to a role as a services manager for Dell Computers, where he eventually became VP for services for Europe, the Middle East and Africa. Upon leaving Dell, Simon helped run an outsourcing company before then becoming a contractor. In this role, he spent 10 years being parachuted in to companies to fix customer service issues, working on transformation projects, and rolling out new software implementation. Simon took over as the Light Aircraft Association’s Chief Executive in April 2023. Our Engineering Team Jon Viner Jon joined the LAA in 2008 as Deputy Chief Engineer, becoming Chief Technical Officer in 2022. Prior to the LAA, Jon was the Chief Technical Officer at the British Microlight Aircraft Assocation, where he learnt to fly flexwings. Before that, he began his career at British Aerospace at Filton (later Airbus UK) as an undergraduate/graduate apprentice and then as an Airworthiness Engineer on A330/A340 projects. Jon has a MEng in Aeronautics and Astronautics from Southampton University, is a Fellow of the Royal Aeronautical Society and is a Chartered Engineer. Jon manages and oversees the Engineering Team. MEng CEng FRAeS Chief Technical Officer Lucy Wootton Lucy joined the LAA as Chief Inspector in August 2022. She has an MEng (Hons) in Aeronautical Engineering from Loughborough University. Previously, she had worked for Rolls-Royce and as an Aircraft Structural Repair Design Engineer. She has been a BGA Glider Inspector since 2014 and is an ARC Signatory. She holds a CAA Part 66 L Engineer's Licence. Lucy began gliding in 2010 and is a Flight Instructor (Sailplanes). She is a BGA Board Member. In 2016, Lucy started power flying. She holds both a PPL(A) and an NPPL(A) and flies the tug at her gliding club - a Supermunk (Chipmunk modified). In November 2024, Lucy took on additional responsibility as Head of Continuing Airworthiness, with one of the key areas being the Permit to Fly revalidation system. MEng(Hons) DIS DipHE MRAeS Head of Continuing Airworthiness & Inspection (Chief Inspector) Ben Syson Ben came to the LAA after spending 13 years working in the Technical Office at the British Microlight Aircraft Assocation (BMAA) and 11 years as BMAA Chief Technical Officer. His interest in aviation was spawned as a youngster reading Biggles books, and then seeing the Edwardian and WW1 aircraft at the Shuttleworth Collection. After graduating from Southampton University with a degree in Aeronautical Engineering, he gained his PPL on weight-shift control Microlights. He now owns and flies a Pietenpol Air Camper. Ben’s favourite engineering area is aeroplane loads and structural analysis, and he enjoys dealing with the wide variety of different aircraft construction types in the LAA fleet. BEng(Hons) Head of Design Andy Draper Andy’s aviation interest stems from his Dad. The closest he came to flying was making model aircraft until a BAC apprenticeship enabled him to afford gliding lessons. After his apprenticeship, Andy worked in BAe’s production development department, specialising in non-metallic materials, which meant mostly working with glass, carbon and aramid fibres. This led to co-building and flying a Rutan Long-EZ. He then worked with composites in Milan, before returning to the UK to get his CPL and instructor ratings. He later worked for Europa Aircraft, heading up the technical team. In 2006, Andy joined the PFA/LAA as a Design Engineer, mostly investigating mods and repair applications and conducting check/test flights. Head of Flight Test Fiona Storer Fiona has over 30 years administration experience. She joined the Light Aircraft Association at the beginning of January 2009 and lives locally. Fiona started her career as an Office Junior on YTS (Youth Training Scheme) at 16. She has worked in various admin roles including book keeping, being Personal Assistant to the Managing Director of a Manufacturing Company and Office Manager/Personal Assistant to a specialist building firm. At the Light Aircraft Association, Fiona deals with telephone enquiries, paperwork relating to projects and first issues, modification, repairs, permits and process tracking, liaises closely with the CAA and deals with all general engineering secretarial and admin duties. . Engineering Administrator Miti Ghosh Miti’s interest in aviation sparked from the day she first sat on a plane that took her through her journey of building UAVs and other rotorcrafts to forming clubs promoting drone making and flying during her college days. Miti joined LAA as a Design Engineer in April 2023. She deals with the modifications, and repairs of most of the LAA fleet’s light aircraft including the first issues of the new home builds. Prior to the LAA, she worked in an eVTOL startup named Volador Flytech as an Aerospace Structures Engineer. Miti moved to England in 2021, this is when she completed her Master of Science in Aerospace Vehicle Design from Cranfield University. She also graduated from SRMIST with a Bachelor’s degree in Aerospace Engineering. BTech MSc Design Engineer Cris Fernandez Cris knew he wanted a career in aviation from the day he fired up MS Flight Simulator 2004 on his grandfather’s computer. After countless virtual flight hours, Airfix models and RC plane flights, he moved to the UK to obtain a MEng in Aerospace Engineering from the University of Bristol. While at university, he grew closer to aviation by flying gliders and eventually gained his PPL on fixed-wing aircraft. He also obtained both British Skydiving and USPA skydiving licenses and led the university’s skydiving club for two years, organising training and jump days for members. Cris began his career at Boeing Defence as a System’s Safety Engineer on the Chinook programme. He joined the LAA in 2023, helping to keep the LAA fleet flying safely. MEng(Hons) Continuing Airworthiness Engineer Michaela Higgs Michaela has more than 15 years of experience in administration and insurance intermediary services. She previously worked as Operations Manager at a UK-based Insurtech company specialising in battery insurance and real-time data analytics for electric vehicles (EVs) and battery energy storage systems (BESS), where she was also a key member of the in-house online platform development team. In 2025, Michaela joined the LAA team and plays a crucial role in supporting the airworthiness team, primarily focusing on the organisation’s network of inspectors. Her responsibilities include tracking inspector applications, maintaining up-to-date records, and organising inspector training. This is a new field for Michaela, which she is embracing with enthusiasm. Airworthiness Coordinator Our Commercial Team Penny Sharpe Office Manager Penny spent most of her life in South America and West Africa before settling back in the UK in the mid 90’s. She joined the LAA in 1996 and as Office Manager her roles vary from overseeing running of the office, H&S and HR to Membership, events, NPPL, meetings, and the Rally. Part of Penny’s role is supporting our members, Struts, Pilot Coaches and the Board. Penny is also part of various LAA working groups. Her previous work varied from being a PA to a Headmaster to volunteering at Tiggywinkles. Penny has a son, a dog, a parrot and keeps tropical fish (in no particular order!). Jo Howard Tues - Thurs Office Administrator Jo joined the LAA in March 2013. She has over 30 years experience in the Secretarial/Admin field. She has previously worked as a PA to a Barrister, for Consultants in the NHS and spent 12 years in the world of education at the University of Southampton and at a Warwickshire Educational Charity. Jo works for both the Commercial and Engineering Departments. She enjoys helping LAA members with their queries and loves organizing the LAA annual rally. She lives locally and is married with two sons. Cheryl Routledge Office Administrator Cheryl has a long and varied working history in administration and office support for international corporates, real estate, training and a large local NHS health centre. She joined the LAA in 2023 and looks forward to meeting and supporting our members going forward. Cheryl moved to England from South Africa with her family, in 2019. She resides near Silverstone circuit and enjoys all things racing related. Cheryl is married and has 2 young adult children. Sheila Hadden Mon - Wed Office Administrator Sheila joined the LAA end of year 2003. She is responsible for the day to day running of the membership database. Her many duties include the general running of the LAA office, dealing with e-mails, as well as classified advertisements for Light Aviation magazine, the LAA Shop, the administration of NPPL and 'LAA Wings' applications, checking all online payments and inputting data into SAGE. Sheila lives locally, has two grown-up children and four young grandchildren. LAA Contractors Francis Donaldson Consultant Engineer Francis was the Chief Engineer for the LAA between 1990 and 2021, and led the Engineering Team during the massive expansion in both size and scope of the LAA fleet over that period. For more than 30 years, Francis was the man who recommended the issues of all Permits to Fly for newly constructed amateur built and restored vintage aircraft, as well as dealing with a great many modifications and repairs and overseeing the continued airworthiness of the LAA fleet. He has flown an example of many of the aircraft types approved by the LAA. Francis continues to support the LAA staff and members as an Engineering Consultant. An experienced homebuilder, restorer and aircraft owner himself, Francis continues to be part of the HQ team, write for the LAA magazine and to help ensure LAA members get the technical support they need to get off the ground safely. Ed Hicks Light Aviation Editor Ed joined the Popular Flying Association (now LAA) in 1992 as a teenager who loved flying, and completed his PPL in 1994. He was LAA Bristol Strut co-ordinator from 1998 to 2003, and has built two homebuilt Permit aircraft, a Van’s RV-6 (2000-2002) and an RV-8 (2012-2019). In 2020 he bought an RV-3B, and when time allows, can be found flying that, or a friend’s Piper Vagabond and RV-6 from Garston Farm and Wadswick airstrip. Working as an aviation photographer since 1996, Ed’s images have been published worldwide in a wide array of sport aviation magazines. Well known in the UK for his work with FLYER Magazine, Ed was Editor for over 100 issues until December 2021, when he made the switch to Editor at large. Following Brian Hope’s retirement from the role in late 2021, Ed took on the role of Editor of Light Aviation magazine for the LAA. Philip Johnston Advertising Sales Manager Phil has worked in advertising sales for over 30 years, he was Advertising Sales Manager on IATA's monthly 'Airlines Magazine' and its website. More recently he was Sales Manager at 'Aviation Business Middle East' where he was based in Dubai. He commented, 'I'm delighted to join the LAA and looking forward to meeting the members & helping companies with their advertising requirments.' He can be contacted on:- +44(0)7770 807035 or [email protected] . Dan Griffith Chief Test Pilot Dan Griffith joined the RAF at 18 and went to London University where he studied Aeronautical Engineering. He learned to fly on Bulldogs and Jet Provosts before gaining his pilot wings on the Hawk. Dan flew Harriers operationally, gaining over 1200 hours. In 1992 he went to the USAF Test Pilot course at Edwards Air Force Base. After Edwards he was posted to the Flight Research site at Bedford and then to Boscombe Down, where his main project was the futuristic fly-by-wire VAAC Harrier developing the next generation of Short Take-off and Vertical Landing aircraft. In 1996, Dan left the military to join the CAA as a civil Test Pilot. He was responsible for the Certification and Continued Airworthiness of aircraft ranging from the Airbus A380 to lighter aircraft, including many LAA types. He left the CAA in March 2007 and now works as an independent test pilot. Christine Carlin Head of Training After gaining my PPL, I obtained my CPL and Instructor rating and began my long and illustrious career as a Flight Instructor. I have now been instructing for over 23 years. I became a Director and the CFI for Sheffield Aero Club in 2004. I later attained my FAA CPL/IR and became a company pilot flying the Beech King Air. I am still an Instructor/Examiner at Netherthorpe. My interest in aviation was born as a young child when , my father being an Aircraft Engineer in the RAF, I spent most of my formative years surrounded by fast jets and going to airshows. I have had the joy to fly many different types of aircraft, including a fair amount of seaplane flying, and the excitement of being involved in the Royal Aero Club air racing as a navigator. Alex Harris National Coach Alex started his flying career in gliders in 2008, having been desperate to start flying since he was a small child flying, going for rides with his father to various fly-ins in a Rollason Condor G-BADM, which his father built! Since then, Alex has accumulated around 1,000 hours of silent flight. Alex became a Chief Flying Instructor, Tug Pilot, Examiner, National Advanced Aerobatic Champion and represented GB in international competitions and the World Aerobatic Championships. Moving into the power world, having come from a PFA then LAA family, Alex completed his ATPL at Stapleford Flight Centre and he is currently operating as a Captain/ Type Rating Instructor on the 737 in the U.K. He has owned and flown a variety of LAA aeroplanes and obtained his Display Authorisation for advanced aerobatics and formation. Nancy Lillington Project Event Manager Growing up close to Leicester Airport gave Nancy her passion for aviation, with a lot of her childhood watching airshows and listening to her Grandmother's stories of life in the RAF, with the Dambusters. Nancy is working towards her PPL and has flown several different aircraft from Piper Cubs to Chipmunks, Tiger Moths, helicopters, microlights and gliders. After graduating, Nancy lived all over the world, including Japan and Germany, working in various roles. These included the iconic Nürburgring, fuelling her passion for motorsport. Nancy has a varied career from a reporter at the Bangor Chronicle, Operational management for a vintage flying company and heading up charity, fundraising, marketing and events management roles. Outside of work, Nancy is a self-confessed adrenaline junkie, foodie and recently climbed Base Camp Everest. LAA Officers & Board of Directors Brian Davies - President Eryl Smith - Director & Chairman Simon Tilling - Director & CEO Alan Crutcher - Director Charlotte Dadswell - Director Paul Kirkham - Director David Millin - Director Peter Pengilly - Director Alistair Seymour - Director Clive Shipley - Director Ian Sweetland - Director

Preliminary Design Preliminary Design is the stage where the design is sized and developed in outline, leading to a three view drawing, performance and weight predictions. To help with this, LAA has developed a number of spreadsheets. Spreadsheet 1 is used to develop the basic geometry of the proposed aircraft, size the wing, fuselage and tail surfaces and work out some of the key parameters used later. Spreadsheet 2 is used to estimate the performance of the aircraft based on the geometry, initial weight estimates, engine power and guestimates of the drag coefficient and prop efficiency, allowing you to see how the performance is affected by changing each parameter in turn. Spreadsheet 3 is used to work out the critical structural speeds, develop the flight envelope and predict the aerodynamic loads on the main surfaces which can be used to size the structure, and as the basis for a load test program. The weight and balance spreadsheet elsewhere on our website allows the designer to quickly evaluate the implications on weight and cg of different positions for the crew, fuel tanks and baggage bay, and work out what empty aircraft weight and cg he must aim for. Thanks to the simplicity of these programs it takes only minutes to study the implications of changing the aircraft’s specification, for example the effect of changing the wing aspect-ratio, the trade-off between extra weight and cleaning up the airframe drag, extra power etc. Downloadable Spreadsheets Worked Spreadsheet Examples Design Tutorials

< 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 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 LAA HQ will be closed on Friday 3rd July due to the Silverstone Grand Prix 29 Jun 2026 LAA HQ will be closed on Friday 3rd July 2026 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-10-2025 - Cracking in E-Props Carbon Propeller Hubs 28 Aug 2025 LAA Alert A-10-2025 - Cracking in E-Props Carbon Propeller Hubs A recent report of a crack appearing on an E-Props carbon composite propeller hub was received by the British Microlight Aircraft Association (BMAA). The crack was in the flange forming the periphery of the circular hub, in the close vicinity of one of the bolts in the outer ring of blade clamping bolts. Alert A-10-2025 shows photographs of the crack discovered and details required actions if cracks are found on LAA aircraft. A-10-2025 is available HERE and shown below. A_10_2025_E_Props_Propeller_Hub_Cracking_Issue_1 .pdf Download PDF • 382KB Next Previous