Do you have a question about the Mooney M20K and is the answer not in the manual?
Explains the manual's numbering system for chapters, subsystems, and units.
Describes the four-level organization of the manual's content.
Provides an overview of the M20K aircraft's features, design, and basic configuration.
Details the electric landing gear system, brakes, and related components.
Outlines overhaul or replacement intervals for components and airworthiness limitations.
Details intervals and requirements for 25, 50, and 100-hour inspections of the aircraft, components, and engine.
Lists key specifications for the engine, fuel capacity, oil, and operational limits.
Details approximate empty weight, gross weight, useful load, wing loading, and power loading.
Details cabin dimensions, baggage compartment, and landing gear specifications.
Provides instructions and safety precautions for jacking the aircraft for maintenance.
Details procedures for placing the aircraft on jacks and ensuring it is level for weighing.
Outlines procedures for weighing the aircraft and calculating its weight and balance.
Provides instructions for ground handling, including using towbars and pushing the aircraft.
Outlines procedures for engine fires during starting and electrical fires.
Covers setting parking brakes, tiedown points, and general parking procedures.
Provides precautionary measures for keeping the aircraft serviceable during outdoor storage.
Details the procedures for returning an aircraft to service after extended storage.
Provides instructions for mooring the aircraft outdoors, including tiedown points and rope anchoring.
Discusses FAA required placards and markings and their inspection during maintenance.
Lists all required placards and their locations, both interior and exterior.
Specifies recommended intervals for service and maintenance under various operating conditions.
Details procedures for keeping fuel tanks at least half full to minimize condensation and moisture.
Provides guidance on checking engine oil levels and recommended oils, including break-in procedures.
Details the oxygen system's components, pressure, and recharging procedures.
Covers servicing the aircraft battery, including checking electrolyte and cleaning terminals.
Provides procedures for bleeding the hydraulic brake system, including cautions.
Outlines procedures for cleaning the aircraft exterior and interior, including specific cautions for materials.
Discusses treatment of metal surfaces for corrosion control and skin panel identification.
Details the material and thickness of various wing skin panels, identified by index number and station.
Explains types of corrosion and preventative maintenance programs, including suggested procedures for zinc chromating.
Describes the cabin environmental system with fresh air, cabin heat, and overhead ventilation.
Details how heat is supplied to the cabin through flexible hoses and the importance of checking related components.
Details the electrical system for 14V and 28V aircraft, including alternators, batteries, and optional generators.
Covers alternator charging system maintenance and voltage regulator maintenance.
Provides instructions for servicing the aircraft battery, including removal, cleaning, and checking polarity.
Explains the landing gear position lights, warning horn, and prestall warning circuits.
Details the starter-ignition circuit, lighting circuits, and landing gear circuits.
Provides charts for troubleshooting common electrical system issues, including alternators, generators, and batteries.
Details the all-metal aileron construction, removal, installation, and rigging.
Covers rudder construction, removal, installation, and rigging, including nose gear steering.
Describes elevator construction, removal, installation, and rigging, including the variable downspring system.
Explains the system for pitch trim control via a manually operated actuator and universal joints.
Details the flap system operation, removal, installation, and rigging.
Outlines procedures and requirements for balancing control surfaces after repair or repainting.
Describes the Mooney M20K fuel system, including tanks, selector valve, and fuel flow indicators.
Outlines procedures for repairing integral fuel tanks, emphasizing caution during access panel removal.
Provides methods for leak detection and repair, differentiating between types and locations of leaks.
Explains the fuel system's components, including fuel pumps, gascolator, and fuel injector system.
Details the procedures for removing and installing the auxiliary electric boost pump.
Describes the alternate air system and standard equipment including heated pitot tube and optional propeller de-ice system.
Details the location and operation of the pitot heat circuit and associated components.
Explains propeller operation, control by governor, and maintenance intervals.
Provides troubleshooting steps for common issues with the propeller de-ice system.
Describes the landing gear operation, activation, and components like the actuator, safety switch, and brake system.
Covers removal, installation, and rigging of the main landing gear and its doors.
Details the removal, installation, and rigging procedures for the nose gear and its doors.
Covers operational inspection, rigging, and adjustment of the landing gear extension and retraction system.
Provides instructions for servicing main and nose wheels, including brake system removal and installation.
Details the landing gear warning system, including position lights, warning horn, and airspeed safety switch.
Describes high-intensity strobe lights, navigation lights, and their activation.
Covers maintenance for cabin lights, including overhead lights and bulb replacement.
Details maintenance for exterior lights, including strobe, navigation, and landing/taxi lights.
Covers maintenance and troubleshooting for the strobe light power supply and assemblies.
Provides procedures for adjusting landing and taxi lights to ensure proper beam alignment.
Details the pitot system, static system cleaning, and leak testing procedures.
Provides troubleshooting steps for the pitot heat system when the tube does not heat or clear itself of ice.
Explains how the airspeed indicator registers airspeed and its dial markings.
Explains how the altimeter operates using absolute pressure and barometric pressure.
Details the vacuum-operated instrument that indicates directional heading.
Describes the instrument indicating control coordination and rate of turn, which is electrically driven.
Explains the magnetic compass construction and compensation procedures.
Details the vacuum-powered instrument indicating aircraft attitude.
Describes the optional oxygen system, its components, and activation.
Provides safety warnings and procedures for recharging the oxygen cylinder.
Outlines procedures for servicing the oxygen system, including control cable attachment and cylinder installation.
Explains the function of the vacuum pump system for gyroscopic instruments and the standby vacuum system.
Details the dry air pump, its no-maintenance requirement, and replacement recommendations.
Emphasizes protecting the dry air pump from contamination during engine compartment cleaning.
Describes the vacuum regulator's function, location, and adjustment procedures.
Covers filter types, inspection, and replacement procedures.
Explains the low and high vacuum indicating lights on the annunciator panel.
Describes the instrument panel layout and the division into flight, avionics, and engine instrument panels.
Covers the removal and installation of instruments and controls on the panel.
Details the removal and installation of flight instruments, including glareshield and post lights.
Notes that avionics packages are customized and require specific evaluation for removal procedures.
Covers the removal and installation of the engine instruments and circuit breaker panel assembly.
Describes the cluster gauge, its capability for individual module replacement, and access.
Details the landing gear switch location and operation.
Explains the function and adjustment of the landing gear safety override switch.
Describes the annunciator panel's location and removal process.
Covers the remote ELT switch location, operation, and testing procedures.
Details the control box for instrument, radio, and glareshield lights, including component replacement.
Describes the cigar lighter's location and function.
Locates the electrical equipment rack in the tailcone and its mounted components.
Describes the aircraft's all-metal construction, including fuselage, tailcone, and wing assemblies.
Outlines general structural repair procedures, emphasizing compliance with FAA regulations and Mooney recommendations.
Details installation procedures for Huckbolts and rivets, including hole preparation and material tolerances.
Covers repairs for fuselage structures, including tubular structure and tailcone repairs.
Provides repair procedures for various wing components like spars, ribs, and skins.
Details repairs for the horizontal stabilizer and vertical fin, including leading edge skin and spar repairs.
Outlines repair techniques for fiberglass laminates, including cracks, non-structural repairs, and delamination.
Describes the cabin door construction, latching mechanism, and baggage compartment door.
Covers removal, replacement, and sealant application for the cabin door.
Details procedures for adjusting the cabin door latching mechanism to ensure proper closure and sealing.
Explains cabin door seal replacement and proper sealing techniques.
Covers removal, repair, and installation of the baggage compartment door.
Describes the direct non-adjustable latching mechanism and the auxiliary exit mechanism.
Describes the M20K fuselage construction, including cabin, tailcone, and wing attachment.
Details the main frame construction, including tubular structure and tailcone.
Describes the tubular steel structure of the main frame and cabin.
Details the semi-monocoque construction of the tailcone and its integral skin.
Explains how fuselage tubular structure is covered with aluminum skins and the integral nature of tailcone skins.
Covers wing, empennage, main landing gear, and engine mount attach fittings.
Describes how the wing assembly is attached to fuselage assemblies using structural hardware.
Details how the empennage assembly attaches to the tailcone and the control of lateral stability.
Explains the construction and support of the main landing gear assembly.
Describes how the engine mount attaches to hard points on the tubular structure.
Describes the M20K empennage assembly as a variable incidence tail-plane consisting of horizontal and vertical stabilizers.
Details the main spar assembly, ribs, skins, and stub spar construction of the horizontal stabilizer.
Covers the removal of the fairing and accessing empennage attaching hardware for stabilizer removal.
Describes elevator construction, skins, ribs, and balance weights.
Details the process of removing elevator control horns and hardware.
Describes the vertical stabilizer construction, including spar, ribs, skins, and fittings.
Covers removal of the vertical and horizontal stabilizer unit with the stinger assembly.
Describes the rudder construction, skins, leading edge, and control horn attachment.
Details removing the rudder control horn and hardware from hinge fittings.
Describes the windshield and side window construction, materials, and heating.
Provides instructions for cleaning acrylic windows using commercial solutions or kerosene.
Covers removal and installation procedures for windshield and cabin windows.
Details the windshield construction and retainer removal.
Outlines steps for removing the windshield, including breaking sealant and checking for water leaks.
Provides instructions for installing the windshield, including sealant application and retainer replacement.
Covers removal and installation of cabin windows, including bonding and sealant.
Details removing interior trim and window retainers for cabin window removal.
Provides instructions for installing cabin windows, including sealant application and checking for leaks.
Describes the storm window mounting, hardware, and gasket.
Details drill bit requirements and procedures for drilling acrylic materials.
Describes the all-metal wing construction, fuel cells, and fiberglass wing tips.
Covers the procedure for removing and installing the wing assembly.
Details the installation and adjustment of stall strips on the wing leading edge.
Describes the integral fuel cells and the wing assembly structure.
Covers jack points and fiberglass wing tips.
Locates jack points on the underside of the wing for jacking procedures.
Details the non-structural fiberglass wing tips, including removal and installation.
Describes wing skin access covers and their securing methods.
Refers to wing fuselage attachment fittings and their distribution.
Refers to Section 27-90-00 for flight control surface balancing procedures.
Refers to Section 27-50-00 for maintenance and rigging procedures.
Details the removal and installation of flap components.
Describes the all-metal aileron construction and linkage.
Covers removal, installation, and rigging of aileron components.
Describes propeller types, control mechanisms, and maintenance intervals.
Explains propeller operation, control by oil pressure, and maintenance intervals.
Details the removal of the spinner dome and the propeller assembly.
Covers the installation of the propeller, including hub alignment and tightening procedures.
Outlines pre-flight inspection requirements for propeller blades and hub.
Describes procedures for dressing minor nicks, dents, and gouges on propeller blades.
Explains propeller control operation and rigging procedures.
Details rigging and adjustment procedures for the propeller governor control.
Provides troubleshooting steps for common propeller governor issues.
Recommends balancing procedures using approved vendor systems for smoother operation.
Describes the engine and its accessories, including horsepower, altitude performance, and turbocharger.
Provides instructions for removing the engine, including disconnecting various systems and components.
Details engine installation torque values and checks required after installation.
Outlines pre-start and starting procedures, including warmup and ground run checks.
Provides steps for setting up the engine, including idle adjustments, full power performance, and flight checks.
Refers to manufacturer's instructions for fuel injection system inspection and overhaul.
Recommends inspecting and servicing the starter per TCM Service Instructions.
Covers the procedure for rigging and adjusting the engine mixture control.
Provides troubleshooting steps for starter system malfunctions.
Describes the engine cooling system, including air intakes, ducts, and cowl flaps.
Describes the fuel flow totalizer system, its components, and display formats.
Covers panel mounted instruments for fuel flow, airspeed, and engine parameters.
Explains the microcomputer-based fuel flow totalizer system and its operation.
Details the FT-101 display, its electronics, power supply, and memory functions.
Describes the turbine flow transducer, its rating, and the pulse signal it supplies to the totalizer.
Provides procedures for operating the FT-101 display, including resetting and totalizing functions.
Offers systematic troubleshooting for Hoskins fuel management systems.
Describes the engine ignition system, magnetos, and the magneto/starter switch.
Covers aircraft electrical power sources and their relation to ignition.
Provides troubleshooting steps for hard starting, engine roughness, and magneto drop out.
Specifies the engine firing order and ignition wiring diagram.
Refers to Section 71-00-52 for engine controls rigging and adjustments.
Details the procedures for rigging and adjusting engine controls.
Discusses engine indicating instruments and their general operation.
Lists the normal and red line ranges for various engine instruments.
Covers ammeter, tachometer, and manifold pressure gauges.
Describes the electric tachometer system and its components.
Explains the manifold pressure gauge and factors affecting its readings.
Details the fuel flow totalizer system and its components.
Covers turbine inlet temperature (TIT) and compressor discharge temperature (CDT) instruments.
Describes the TIT instrument's function and operating limits.
Explains the CHT instrument's purpose and installation.
Describes the exhaust system's components, including headers, pipes, and turbocharger interface.
Covers installation of exhaust risers/pipes to the engine and general installation tips.
Details cleaning and visual inspection procedures for the exhaust system.
Recommends periodic replacement of exhaust system components based on engine overhaul time.
Describes the oil system as a wet sump, pressure type system with an 8-quart capacity.
Provides instructions for removing the engine oil filter.
Details the procedure for installing a new oil filter, including tightening and leak checks.
Explains the oil system's internal routing, including turbocharger lubrication.
Describes the oil pressure and oil temperature gauges and their operation.
Explains how oil pressure indication is provided via a pressure transducer.
Describes the oil temperature gauge and its signal source.
Provides test procedures for the Druck transducer used in the fuel and oil systems.
Describes the aircraft's electrical system, starter location, and engagement mechanism.
Refers to Section 24-39-04 for starter troubleshooting.
Recommends inspecting and servicing the starter per TCM Service Instructions.
Details the procedure for removing the starter motor.
Provides instructions for installing the starter motor, including cleaning and torque values.
Describes the starter brushes, their replacement criteria, and tension requirements.
Explains the operation of the magneto/starter switch and cautions regarding starter engagement.
Describes the turbocharger's function, operation, and components.
Explains the Rotomaster turbocharger control system and its operation.
Refers to Section 71-00-50 for test procedures.
Details the Airesearch turbocharger control system and its overboost protection.
Covers procedures for adjusting and testing the turbocharger control system.
Explains the turbocharger's alternate air system operation.
Provides troubleshooting steps for common turbocharger issues like noise, vibration, and power loss.
Describes the instrument panel layout and the division into flight, avionics, and engine instrument panels.
Provides notes and guidelines for electrical wiring, assemblies, and installation practices.
Explains the typical wire identification number format and its functional groups.
Lists abbreviations used in electrical system hardware charts and their meanings.
Provides charts detailing electrical system hardware by serial number and schematic drawing number.
Provides charts detailing electrical system hardware by serial number and schematic drawing number.
| Model | M20K |
|---|---|
| Horsepower | 210 hp |
| Seating Capacity | 4 |
| Service Ceiling | 25, 000 ft (7, 620 m) |
| Wing Span | 36 ft 1 in (11.0 m) |
| Height | 8 ft 4 in (2.5 m) |
| Wing Area | 174 sq ft (16.2 m²) |
| Maximum Takeoff Weight | 2, 900 lb (1, 315 kg) |
| Propeller | 2-bladed constant speed |
| Manufacturer | Mooney |