{
  "url": "https://openlegislation.uk/eu-regulation-2014-1321/annex-III/appendix-VII",
  "json_url": "https://openlegislation.uk/eu-regulation-2014-1321/annex-III/appendix-VII.json",
  "legislation": "eur/2014/1321",
  "legislation_title": "Commission Regulation (EU) No 1321/2014 of 26 November 2014 on the continuing airworthiness of aircraft and aeronautical products, parts and appliances, and on the approval of organisations and personnel involved in these tasks (Recast) (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2014-1321",
  "path": "annex/III/appendix/VII",
  "kind": "appendix",
  "number": "VII",
  "heading": null,
  "text": "Basic knowledge requirements for category L aircraft maintenance licence\nThe definitions of the different levels of knowledge required in this Appendix are the same as those contained in point 1 of Appendix I to Annex III (Part-66).\nSubcategories\nModules required for each subcategory (refer to the syllabus table below)\nL1C: composite sailplanes\n1L, 2L, 3L, 5L, 7L and 12L\nL1: sailplanes\n1L, 2L, 3L, 4L, 5L, 6L, 7L and 12L\nL2C: composite powered sailplanes and composite ELA1 aeroplanes\n1L, 2L, 3L, 5L, 7L, 8L and 12L\nL2: powered sailplanes and ELA1 aeroplanes\n1L, 2L, 3L, 4L, 5L, 6L, 7L, 8L and 12L\nL3H: hot-air balloons\n1L, 2L, 3L, 9L and 12L\nL3G: gas balloons\n1L, 2L, 3L, 10L and 12L\nL4H: hot-air airships\n1L, 2L, 3L, 8L, 9L, 11L and 12L\nL4G: ELA2 gas airships\n1L, 2L, 3L, 8L, 10L, 11L and 12L\nL5: gas airships above ELA2\nBasic knowledge requirements for any B1 subcategory\nplus\n8L (for B1.1 and B1.3), 10L, 11L and 12L\nTABLE OF CONTENTS:\nModule Designation\n1L\n‘Basic knowledge’\n2L\n‘Human factors’\n3L\n‘Aviation legislation’\n4L\n‘Airframe wooden/metal tube and fabric’\n5L\n‘Airframe composite’\n6L\n‘Airframe metal’\n7L\n‘Airframe general’\n8L\n‘Power plant’\n9L\n‘Balloon/Airship hot air’\n10L\n‘Balloon/Airship gas (free/tethered)’\n11L\n‘Airships hot air/gas’\n12L\n‘Radio Com/ELT/Transponder/Instruments’\nMODULE 1L — BASIC KNOWLEDGE\nLevel\n1L.1\nMathematics\nArithmetic\nArithmetical terms and signs;\nMethods of multiplication and division;\nFractions and decimals;\nFactors and multiples;\nWeights, measures and conversion factors;\nRatio and proportion;\nAverages and percentages;\nAreas and volumes, squares, cubes.\nAlgebra\nEvaluating simple algebraic expressions: addition, subtraction, multiplication and division;\nUse of brackets;\nSimple algebraic fractions.\nGeometry\nSimple geometrical constructions;\nGraphical representation: nature and uses of graphs.\n1\n1L.2\nPhysics\nMatter\nNature of matter: the chemical elements;\nChemical compounds;\nStates: solid, liquid and gaseous;\nChanges between states.\nMechanics\nForces, moments and couples, representation as vectors;\nCentre of gravity;\nTension, compression, shear and torsion;\nNature and properties of solids, fluids and gases.\nTemperature\nThermometers and temperature scales: Celsius, Fahrenheit and Kelvin;\nHeat definition.\n1\n1L.3\nElectrics\nDC Circuits\nOhm's law, Kirchoff's voltage and current laws;\nSignificance of the internal resistance of a supply;\nResistance/resistor;\nResistor colour code, values and tolerances, preferred values, wattage ratings;\nResistors in series and parallel.\n1\n1L.4\nAerodynamics/aerostatics\nInternational Standard Atmosphere (ISA), application to aerodynamics and aerostatics.\nAerodynamics\nAirflow around a body;\nBoundary layer, laminar and turbulent flow;\nThrust, weight, aerodynamic resultant;\nGeneration of lift and drag: angle of attack, polar curve, stall.\nAerostatics\nEffect on envelopes, wind effect, altitude and temperature effects.\n1\n1L.5\nWorkplace safety and environmental protection\nSafe working practices and precautions when working with electricity, gases (especially oxygen), oils and chemicals;\nLabelling, storage and disposal of hazardous (to safety and environment) materials;\nRemedial action in the event of a fire or another accident with one or more hazards, including knowledge of extinguishing agents.\n2\nMODULE 2L — HUMAN FACTORS\nLevel\n2L.1\nGeneral\nThe need to take human factors into account;\nIncidents attributable to human factors/human error;\nMurphy's Law.\n1\n2L.2.\nHuman performance and limitations\nVision, hearing, information processing, attention and perception, memory.\n1\n2L.3\nSocial psychology\nResponsibility, motivation, peer pressure, teamwork.\n1\n2L.4\nFactors affecting performance\nFitness/health, stress, sleep, fatigue, alcohol, medication, drug abuse.\n1\n2L.5\nPhysical environment\nWorking environment (climate, noise, illumination).\n1\nMODULE 3L — AVIATION LEGISLATION\nLevel\n3L.1\nRegulatory framework\nRole of the European Commission, EASA and National Aviation Authorities (NAAs);\nApplicable parts of Part-M and Part-66.\n1\n3L.2\nRepairs and modifications\nApproval of changes (repairs and modifications);\nStandard changes and standard repairs.\n2\n3L.3\nMaintenance data\nAirworthiness Directives (ADs), Instructions for Continuing Airworthiness (ICA) (AMM, IPC, etc.);\nFlight Manual;\nMaintenance records.\n2\nMODULE 4L — AIRFRAME WOODEN/METAL TUBE AND FABRIC\nLevel\n4L.1\nAirframe wooden/combination of metal tube and fabric\nTimber, plywood, adhesives, preservation, power line, properties, machining;\nCovering (covering materials, adhesives and finishes, natural and synthetic covering materials and adhesives);\nPaint, assembly and repair processes;\nRecognition of damages from overstressing of wooden/metal-tube and fabric structures;\nDeterioration of wood components and coverings;\nCrack test (optical procedure, e.g., magnifying glass) of metal components. Corrosion and preventive methods. Health and fire safety protections.\n2\n4L.2\nMaterial\nTypes of wood, stability, and machining properties;\nSteel and light alloy tubes and fittings, fracture inspections of welded seams;\nPlastics (overview, understanding of the properties);\nPaints and paint removal;\nGlues, adhesives;\nCovering materials and technologies (natural and synthetic polymers).\n2\n4L.3\nIdentifying damage\nOverstress of wood / metal-tubing and fabric structures;\nLoad transfers;\nFatigue strength and crack testing.\n3\n4L.4\nPerformance of practical activities\nLocking of pins, screws, castellated nuts, turnbuckles;\nThimble splice;\nNicopress and Talurit repairs;\nRepair of coverings;\nRepair of transparencies;\nRepair exercises (plywood, stringer, handrails, skins);\nAircraft Rigging. Calculation of control surface mass balance and range of movement of the control surfaces, measurement of operating forces;\nPerformance of 100-hours/annual inspections on a wood or combination of metal-tube and fabric airframe.\n2\nMODULE 5L — AIRFRAME COMPOSITE\nLevel\n5L.1\nAirframe fibre-reinforced plastic (FRP)\nBasic principles of FRP construction;\nResins (Epoxy, polyester, phenolic resins, vinyl ester resins);\nReinforcement materials glass, aramide and carbon fibres, features;\nFillers;\nSupporting cores (balsa, honeycombs, foamed plastics);\nConstructions, load transfers (solid FRP shell, sandwiches);\nIdentification of damage during overstressing of components;\nProcedure for FRP projects (according to Maintenance Organisation Manual) including storage conditions for material.\n2\n5L.2\nMaterial\nThermosetting plastics, thermoplastic polymers, catalysts;\nUnderstanding properties, machining technologies, detaching, bonding, welding;\nResins for FRP: epoxy resins, polyester resins, vinyl ester resins, phenolic resins;\nReinforcement materials;\nFrom elementary fibre to filaments (release agent, finish), weaving patterns;\nProperties of individual reinforcement materials (E-glass fibre, aramide fibre, carbon fibre);\nProblem with multiple-material systems, matrix;\nAdhesion/cohesion, various behaviours of fibre materials;\nFilling materials and pigments;\nTechnical requirements for filling materials;\nProperty change of the resin composition through the use of E-glass, micro balloon, aerosols, cotton, minerals, metal powder, organic substances;\nPaint assembly and repair technologies;\nSupport materials;\nHoneycombs (paper, FRP, metal), balsa wood, Divinycell (Contizell), development trends.\n2\n5L.3\nAssembly of Fibre-Reinforced Composite-Structure Airframes\nSolid shell;\nSandwiches;\nAssembly of aerofoils, fuselages, control surfaces.\n2\n5L.4\nIdentifying Damage\nBehaviour of FRP components in the event of overstressing;\nIdentifying delaminations, loose bonds;\nBending vibration frequency in aerofoils;\nLoad transfer;\nFrictional connection and positive locking;\nFatigue strength and corrosion of metal parts;\nMetal bonding, surface finishing of steel and aluminium components during bonding with FRP.\n3\n5L.5\nMold making\nPlaster molds, mold ceramics;\nGFK molds, Gel-coat, reinforcement materials, rigidity problems;\nMetal molds;\nMale and female molds.\n2\n5L.6\nPerformance of practical activities\nLocking of pin, screws, castellated nuts, turnbuckles;\nThimble splice;\nNicopress and Talurit repairs;\nRepair of coverings;\nRepair of solid FRP shells;\nMold fabrication/molding of a component (e.g. fuselage nose, landing gear fairing, wing tip and winglet);\nRepair of sandwich shell where interior and exterior layer are damaged;\nRepair of sandwich shell by pressing with a vacuum bag;\nTransparency repair (PMMA) with one- and two-component adhesive;\nBonding of transparency with the canopy frame;\nTempering of transparencies and other components;\nPerformance of a repair on a sandwich shell (minor repair less than 20 cm);\nAircraft Rigging. Calculation of control surface mass balance and range of movement of the control surfaces, measurement of operating forces;\nPerformance of 100-hour/annual inspections on an FRP airframe.\n2\nMODULE 6L — AIRFRAME METAL\nLevel\n6L.1\nAirframe metal\nMetallic materials and semi-finished products, machining methods;\nFatigue strength and crack test;\nAssembly of metal-construction components, riveted joints, adhesive joints;\nIdentification of damage to overstressed components, effects of corrosion;\nHealth and fire protection.\n2\n6L.2\nMaterial\nSteel and its alloys;\nLight metals and their light alloys;\nRivet materials;\nPlastics;\nColours and paints;\nMetal adhesives;\nTypes of corrosion;\nCovering materials and technologies (natural and synthetic).\n2\n6L.3\nIdentifying damage\nOverstressed metal airframes, levelling, measurement of symmetry;\nLoad transfers;\nFatigue strength and crack test;\nIdentifying loose riveted joints.\n3\n6L.4\nAssembly of metal- and composite-construction airframes\nSkins;\nFrames;\nStringers and longerons;\nFrame construction;\nProblems in multiple-material systems.\n2\n6L.5\nFasteners\nClassifications of fits and clearances;\nMetric and imperial measuring systems;\nOversize bolt.\n2\n6L.6\nPerformance of practical activities\nLocking of pins, screws, castellated nuts, turnbuckles;\nThimble splice;\nNicopress and Talurit repairs;\nRepair of coverings, surface damage, stop drilling techniques;\nRepair of transparencies;\nCutting out sheet metals (aluminiums and light alloys, steel and alloys);\nFolding bending, edging, beating, smoothening, beading;\nRepair riveting of metal airframes according to repair instruction or drawings;\nEvaluation of rivet errors;\nAircraft Rigging. Calculation of control surface mass balance and range of movement of the control surfaces, measurement of operating forces;\nPerformance of 100-hour/annual inspections on a metal airframe.\n2\nMODULE 7L — AIRFRAME GENERAL\nLevel\n7L.1\nFlight control system\nCockpit controls: controls in cockpit, colour markings, knob shapes;\nFlight controls surfaces, flaps, air brakes surfaces, controls, hinges, bearings, brackets, push-pull rods, bell cranks, horns, pulleys, cables, chains, tubes, rollers, tracks, jack screws, surfaces, movements, lubrication, stabilisers, balancing of controls;\nCombination of controls: flap ailerons, flap air brakes;\nTrim systems.\n3\n7L.2\nAirframe\nLanding gear: characteristics of landing gears and shock absorber strut, extension, brakes, drum, disks, wheel, tyre, retraction mechanism, electrical retraction, emergency;\nWing to fuselage mounting points, empennage (fin and tail plane) to fuselage mounting points, control surface mounting points;\nPermissible maintenance measures;\nTowing: towing/lifting equipment/mechanism;\nCabin: seats and safety harness, cabin arrangement, windshields, windows, placards, baggage compartment, cockpit controls, cabin air system, blower;\nWater ballast: water reservoirs, lines, valves, drains, vents, tests;\nFuel system: tanks, lines, filters, vents, drains, filling, selector valve, pumps, indication, tests, bonding;\nHydraulics: system layout, accumulators, pressure and power distribution, indication;\nLiquid and gas: hydraulic, other fluids, levels, reservoir, lines, valves, filter;\nProtections: firewalls, fire protection, lightning strike bonding, turnbuckles, locking devices, dischargers.\n2\n7L.3\nFasteners\nReliability of pins, rivets, screws;\nControl cables, turnbuckles;\nQuick-release couplings (L'Hotellier, SZD, Poland).\n2\n7L.4\nLocking equipment\nAdmissibility of locking methods, locking pins, spring steel pins, locking wire, stop nuts, paint;\nQuick-release couplings.\n2\n7L.5\nWeight and balance levelling\n2\n7L.6\nRescue systems\n2\n7L.7\nOn-board modules\nPitot-static system, vacuum/dynamic system, hydrostatic test;\nFlight instruments: airspeed indicator, altimeter, vertical-speed indicator, connection and functioning, markings;\nArrangement and display, panel, electrical wires;\nGyroscopes, filters, indicating instruments; testing of function;\nMagnetic compass: installation and compass swing;\nSailplanes: acoustic vertical-speed indicator, flight recorders, anticollision aid;\nOxygen system.\n2\n7L.8\nOn-board modules installation and connections\nFlight instruments, mounting requirements (emergency landing conditions as per CS-22);\nElectric wiring, power sources, types of storage batteries, electrical parameters, electric generator, circuit breaker, energy balance, earth/ground, connectors, terminals, warnings, fuses, lamps, lightings, switches, voltmeters, ampere meters, electrical gauges.\n2\n7L.9\nPiston engine propulsion\nInterface between power plant and airframe.\n2\n7L.10\nPropeller\nInspection;\nReplacement;\nBalancing.\n2\n7L.11\nRetraction system\nPropeller position control;\nEngine and/or propeller retraction system.\n2\n7L.12\nPhysical inspection procedures\nCleaning, use of lighting and mirrors;\nMeasuring tools;\nMeasure of controls deflection;\nTorque of screws and bolts;\nWear of bearings;\nInspection equipment;\nCalibration of measuring tools.\n2\nMODULE 8L — POWER PLANT\nLevel\n8L.1\nNoise limits\nExplanation of the concept of ‘noise level’;\nNoise certificate;\nEnhanced sound proofing;\nPossible reduction of sound emissions.\n1\n8L.2\nPiston engines\nFour-stroke spark ignition engine, air-cooled engine, fluid-cooled engine;\nTwo-stroke engine;\nRotary-piston engine;\nEfficiency and influencing factors (pressure–volume diagram, power curve);\nNoise control devices.\n2\n8L.3\nPropeller\nBlade, spinner, backplate, accumulator pressure, hub;\nOperation of propellers;\nVariable-pitch propellers, ground and in-flight adjustable propellers, mechanically, electrically and hydraulically;\nBalancing (static, dynamic);\nNoise problems.\n2\n8L.4\nEngine control devices\nMechanical control devices;\nElectrical control devices;\nTank displays;\nFunctions, characteristics, typical errors and error indications.\n2\n8L.5\nHosepipes\nMaterial and machining of fuel and oil hoses;\nControl of life limit.\n2\n8L.6\nAccessories\nOperation of magneto ignition;\nControl of maintenance limits;\nOperation of carburettors;\nMaintenance instructions on characteristic features;\nElectric fuel pumps;\nOperation of propeller controls;\nElectrically operated propeller control;\nHydraulically operated propeller control.\n2\n8L.7\nIgnition system\nConstructions: coil ignition, magneto ignition, and thyristor ignition;\nEfficiency of the ignition and preheat system;\nModules of the ignition and preheat system;\nInspection and testing of a spark plug.\n2\n8L.8\nInduction and exhaust systems\nOperation and assembly;\nSilencers and heater installations;\nNacelles and cowlings;\nInspection and test;\nCO emission test.\n2\n8L.9\nFuels and lubricants\nFuel characteristics;\nLabelling, environmentally friendly storage;\nMineral and synthetic lubricating oils and their parameters: labelling and characteristics, application;\nEnvironmentally friendly storage and proper disposal of used oil.\n2\n8L.10\nDocumentation\nManufacturer documents for the engine and propeller;\nInstructions for Continuing Airworthiness (ICA);\nAircraft Flight Manuals (AFMs) and Aircraft Maintenance Manuals (AMMs);\nTime Between Overhaul (TBO);\nAirworthiness Directives (ADs), technical notes and service bulletins.\n2\n8L.11\nIllustrative material\nCylinder unit with valve;\nCarburettor;\nHigh-tension magneto;\nDifferential-compression tester for cylinders;\nOverheated/damaged pistons;\nSpark plugs of engines that were operated differently.\n2\n8L.12\nPractical experience\nWork safety/accident prevention (handling of fuels and lubricants, start-up of engines);\nRigging-engine control rods and Bowden cables;\nSetting of no-load speed;\nChecking and setting the ignition point;\nOperational test of magnetos;\nChecking the ignition system;\nTesting and cleaning of spark plugs;\nPerformance of the engine tasks contained in an aeroplane 100-hour/annual inspection;\nCylinder compression test;\nStatic test and evaluation of the engine run;\nDocumentation of maintenance work including replacement of components.\n2\n8L.13\nGas exchange in internal-combustion engines\nFour-stroke reciprocating engine and control units;\nEnergy losses;\nIgnition timing;\nDirect flow behaviour of control units;\nWankel engine and control units;\nTwo-stroke engine and control units;\nScavenging;\nScavenging blower;\nIdle range and power range.\n2\n8L.14\nIgnition, combustion and carburation\nIgnition;\nSpark plugs;\nIgnition system;\nCombustion process;\nNormal combustion;\nEfficiency and medium pressure;\nEngine knock and octane rating;\nCombustion chamber shapes;\nFuel/air mix in the carburettor;\nCarburettor principle, carburettor equation;\nSimple carburettor;\nProblems of the simple carburettor and their solutions;\nCarburettor models;\nFuel/air mix during injection;\nMechanically controlled injection;\nElectronically controlled injection;\nContinuous injection;\nCarburettor-injection comparison.\n2\n8L.15\nFlight instruments in aircraft with injection engines\nSpecial flight instruments (injection engine);\nInterpretation of indications in a static test;\nInterpretation of indications in flight at various flight levels.\n2\n8L.16\nMaintenance of aircraft with injection engines\nDocumentation, manufacturer documents, etc.;\nGeneral maintenance instructions (hourly inspections);\nFunctional tests;\nGround test run;\nTest flight;\nTroubleshooting in the event of faults in the injection system and their correction.\n2\n8L.17\nWorkplace safety and safety provisions\nWork safety and safety provisions for work on injection systems.\n2\n8L.18\nVisual aids:\nCarburettor;\nComponents of injection system;\nAircraft with injection engine;\nTool for work on injection systems.\n2\n8L.19\nElectrical propulsion\nEnergy system, accumulators, installation;\nElectrical motor;\nHeat, noise and vibration checks;\nTesting windings;\nElectrical wiring and control systems;\nPylon, extension and retraction systems;\nMotor/propeller brake systems;\nMotor ventilation systems;\nPractical experience of 100-hour/annual inspections.\n2\n8L.20\nJet propulsion\nEngine installation;\nPylon, extension and retraction systems;\nFire protection;\nFuel systems including lubrication;\nEngine starting systems, gas assist;\nEngine damage assessment;\nEngine servicing;\nEngine removal / refit and test;\nPractical experience of conditional / run time / annual inspections;\nConditional inspections.\n2\n8L.21\nFull authority digital engine control (FADEC)\n2\nMODULE 9L — BALLOON/AIRSHIP HOT AIR\nLevel\n9L.1\nBasic principles and assembly of hot-air balloons/airships\nAssembly and individual parts;\nEnvelopes;\nEnvelope Materials;\nEnvelope Systems;\nConventional and special shapes;\nFuel System;\nBurner, burner frame and burner support rods;\nCompressed-gas cylinders and compressed-gas hoses;\nBasket and alternative devices (seats);\nRigging accessories;\nMaintenance and servicing tasks;\nAnnual/100-hour inspection;\nLog Books;\nAircraft Flight Manuals (AFMs) and Aircraft Maintenance Manuals (AMMs);\nRigging and launch preparation (launch restraint);\nLaunch.\n3\n9L.2\nPractical training\nOperating controls, maintenance and servicing jobs (according to flight manual).\n3\n9L.3\nEnvelope\nFabrics;\nSeams;\nLoad tapes, rip stoppers;\nCrown rings;\nParachute valve and fast-deflation systems;\nRipping panel;\nTurning vent;\nDiaphragms/catenaries (special shapes and airships);\nRollers, pulleys;\nControl and shroud lines;\nKnots;\nTemperature indication label, temperature flag, envelope thermometer;\nFlying wires;\nFittings, karabiners.\n3\n9L.4\nBurner and fuel system\nBurner coils;\nBlast, liquid and pilot valves;\nBurners/jets;\nPilot lights/vaporisers/jets;\nBurner frame;\nFuel lines/hoses;\nFuel cylinders, valves and fittings.\n3\n9L.5\nBasket and basket suspension (incl. alternative devices)\nTypes of baskets (incl. alternative devices);\nBasket materials: cane and willow, hide, wood, trim materials, suspension cables;\nSeats, roller bearings;\nKarabiner, shackle and pins;\nBurner support rods;\nFuel cylinder straps;\nAccessories.\n3\n9L.6\nEquipment\nFire extinguisher, fire blanket;\nInstruments (single or combined).\n3\n9L.7\nMinor repairs\nStitching;\nBonding;\nBasket hide/trim repairs.\n3\n9L.8\nProcedures for physical inspection\nCleaning, use of lighting and mirrors;\nMeasuring tools;\nMeasure of controls deflection (only airships);\nTorque of screws and bolts;\nWear of bearings (only airships);\nInspection equipment;\nCalibration of measuring tools;\nFabric Grab Test.\n2\nMODULES 10L — BALLOON/AIRSHIP GAS (FREE/TETHERED)\nLevel\n10L.1\nBasic principles and assembly of gas balloons/airships\nAssembly of individual parts;\nEnvelope and netting material;\nEnvelope, ripping panel, emergency opening, cords and belts;\nRigid gas valve;\nFlexible gas valve (parachute);\nNetting;\nLoad ring;\nBasket and accessories (including alternative devices);\nElectrostatic discharge paths;\nMooring line and drag rope;\nMaintenance and servicing;\nAnnual inspection;\nFlight papers;\nAircraft Flight Manuals (AFMs) and Aircraft Maintenance Manuals (AMMs);\nRigging and launch preparation;\nLaunch.\n3\n10L.2\nPractical training\nOperating controls;\nMaintenance and servicing jobs (according to AMM and AFM);\nSafety rules when using hydrogen as lifting gas.\n3\n10L.3\nEnvelope\nFabrics;\nPoles and reinforcement of pole;\nRipping panel and cord;\nParachute and shroud lines;\nValves and cords;\nFiller neck, Poeschel-ring and cords;\nElectrostatic discharge paths.\n3\n10L.4\nValve\nSprings;\nGaskets;\nScrewed joints;\nControl lines;\nElectrostatic discharge paths.\n3\n10L.5\nNetting or rigging (without net)\nKinds of net and other lines;\nMesh sizes and angles;\nNet ring;\nKnotting methods;\nElectrostatic discharge paths.\n3\n10L.6\nLoad ring\n3\n10L.7\nBasket (incl. alternative devices)\nKinds of baskets (incl. alternative devices);\nStrops and toggles;\nBallast system (bags and supports);\nElectrostatic discharge paths.\n3\n10L.8\nRipping cord and valve cords\n3\n10L.9\nMooring line and drag rope\n3\n10L.10\nMinor repairs\nBonding;\nSplicing hemp ropes.\n3\n10L.11\nEquipment\nInstruments (single or combined).\n3\n10L.12\nTether cable (tethered gas balloons (TGB) only)\nKinds of cables;\nAcceptable damage of cable;\nCable swivel;\nCable clamps.\n3\n10L.13\nWinch (tethered gas balloons only)\nKinds of winches;\nMechanical system;\nElectrical system;\nEmergency system;\nGrounding/ballasting of winch.\n3\n10L.14\nProcedures for physical inspection\nCleaning, use of lighting and mirrors;\nMeasuring tools;\nMeasure of controls deflection (only airships);\nTorque of screws and bolts;\nWear of bearings (only airships);\nInspection equipment;\nCalibration of measuring tools;\nFabric grab test.\n2\nMODULES 11L — AIRSHIPS HOT AIR/GAS\nLevel\n11L.1\nBasic principles and assembly of small airships\nEnvelope, ballonnets;\nValves, openings;\nGondola;\nPropulsion;\nAircraft Flight Manuals (AFMs) and Aircraft Maintenance Manuals (AMMs);\nRigging and launch preparation.\n3\n11L.2\nPractical training\nOperating controls;\nMaintenance and servicing jobs (according to AMM and AFM).\n3\n11L.3\nEnvelope\nFabrics;\nRipping panel and cords;\nValves;\nCatenary system.\n3\n11L.4\nGondola (incl. alternative devices)\nKinds of gondolas (incl. alternative devices);\nAirframe types and materials;\nIdentification of damage.\n3\n11L.5\nElectrical system\nBasics about on-board electrical circuits;\nElectrical sources (accumulators, fixation, ventilation, corrosion);\nLead, nickel-cadmium (NiCd) or other accumulators, dry batteries;\nGenerators;\nWiring, electrical connections;\nFuses;\nExternal power source;\nEnergy balance.\n3\n11L.6\nPropulsion\nFuel system: tanks, lines, filters, vents, drains, filling, selector valve, pumps, indication, tests, bonding;\nPropulsion instruments;\nBasics about measuring and instruments;\nRevolution measuring;\nPressure measuring;\nTemperature measuring;\nAvailable fuel/power measuring.\n3\n11L.7\nEquipment\nFire extinguisher, fire blanket;\nInstruments (single or combined).\n3\nMODULE 12L — RADIO COM/ELT/TRANSPONDER/INSTRUMENTS\nLevel\n12L.1\nRadio Com/ELT\nChannel spacing;\nBasic functional test;\nBatteries;\nTesting and maintenance requirements.\n2\n12L.2\nTransponder\nBasic operation;\nTypical portable configuration including antenna;\nExplanation of Modes A, C, S;\nTesting and maintenance requirements.\n2\n12L.3\nInstruments\nHandheld altimeter/variometers;\nBatteries;\nBasic functional test.\n2",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Inserted by Commission Regulation (EU) 2018/1142 of 14 August 2018 amending Regulation (EU) No 1321/2014 as regards the introduction of certain categories of aircraft maintenance licences, the modification of the acceptance procedure of components from external suppliers and the modification of the maintenance training organisations' privileges (Text with EEA relevance)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2014/1321/annex/III/appendix/VII",
    "retrieved_at": "2026-11-01T14:47:03.190425+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}