Mandatory permit directives

Autogyro Certification Limited (Formerly Rotorsport UK Ltd) MT-03, MTOsport, MTOsport 2017, Calidus and Cavalon gyroplanes: Main Rotor(s) – Rotor Blade – Inspection / Replacement / Life-Limitation Amendment

Reference: MPD 2022-002
Status: Current
Version date: 24-Jan-2022

Aerotechnik EV-97 Eurostar: Fuselage – Rear Fuselage Bulkhead – Inspection for Cracking

Reference: MPD 2016-007-E
Status: Current
Version date: 15-Jul-2016

Aerotechnik EV-97, 97A Eurostar, EV-97 Eurostar SL, EV-97 teamEurostar UK and EV-97 Eurostar SL Microlight: Wing Flaps –Correct Engagement of the Actuator Pins - Inspection

Reference: MPD 2015-001
Status: Current
Version date: 23-Jun-2015

Aerotechnik EV-97, EV-97A, EV-97 Eurostar SL and EV-97 teamEurostar UK: Wing / Fuselage Fairings – Inspection for Rivet Damage

Reference: MPD 2014-002
Status: Current
Version date: 30-Jan-2014

Aerotechnik EV-97/EV-97 A Eurostar, EV-97/ Aerotechnik EV-97 B Eurostar SL and EV-97 TeamEurostar UK and EV-97 Eurostar SL: Elevator Trim System – Trim Lever/Flap Lever Cover – Modification

Reference: MPD 2025-002
Status: Current
Version date: 15-May-2025

Aerotechnik EV-97/EV-97A Eurostar, Aerotechnik EV-97/EV-97B Eurostar SL, EV-97 TeamEurostar UK and EV-97 Eurostar SL: Aileron Control System – Aileron and Rudder Rose Joint – Inspection

Reference: MPD 2025-004-E
Status: Current
Version date: 07-Oct-2025

All aircraft operating on a UK Permit to Fly fitted with a Ballistic Parachute Recovery System (BPRS) : Placarding Requirements for Aircraft fitted with a Ballistic Parachute Recovery System (BPRS)

Reference: MPD 2019-005
Status: Current
Version date: 10-Apr-2019

All Microlights where P&M Aviation Ltd are the Type Approval Holder: Hang Bolt plus Lanyard - Inspection / Replacement

Reference: MPD 2017-003-E
Status: Current
Version date: 21-Feb-2017

All Microlights where P&M Aviation Ltd are the Type Approval Holder: Rigging Cables with Roll Swaged End Terminals – Inspection / Replacement

Reference: MPD 2017-004-E
Status: Current
Version date: 15-May-2017

All Microlights where P&M Aviation Ltd is the Type Approval Holder: Clevis Pin / Split Ring Installations – Inspection / Replacement

Reference: MPD 2016-011-E
Status: Current
Version date: 23-Nov-2016

Ascent Industries Ltd (T/A EuroFOX Aviation) Eurofox aircraft, all models: Rudder Control System – Rudder Pedal/Rudder Pedal Torque Tube – Inspection

Reference: MPD 2026-002R1-E
Status: Current
Version date: 06-Feb-2026

Bell Textron IncHH-1K, TH-1F, TH-1L, UH Series helicopters : Rotors – Inspection and Replacement of Main Rotor Hub Strap Pins

Reference: MPD 2021-001
Status: Current
Version date: 21-Sept-2021

Bristol Aeroplane Company: Engine Exhaust Valves-Removal From Service

Reference: MPD 2018-007
Status: Current
Version date: 03-Aug-2018

BRP Rotax GmbH & Co KG Rotax 912i, 915i and 916i engines: Engine / Electrical Power – Internal Generator – Inspection / Replacement of Oil Spray Nozzle

Reference: MPD 2025-001-E
Status: Current
Version date: 24-Jan-2025

BRP-Rotax GmbH & Co KG Rotax 915iS and 916iS engines: Engine – Propeller Gearbox – Inspection

Reference: MPD 2025-006-E
Status: Current
Version date: 04-Dec-2025

CT2K and CTSW Aircraft : Fuel System - Engine Fuel Feed

Reference: MPD 2012-003
Status: Current
Version date: 04-Oct-2012

Dyn'Aero MCR-01, MCR-01 Club and MCR-01 ULC: Aluminium Fittings - Inspection

Reference: MPD 2011-002-E
Status: Current
Version date: 19-Apr-2011

Edge 360, Edge 540 and Laser Z200: Flight Controls – Aileron Centre Hinge Attachment – Inspection / Replacement

Reference: MPD 2022-001R1
Status: Current
Version date: 30-Jan-2023

Europa Aircraft: Aircraft Doors - Bracket - Modification

Reference: MPD 2022-003 [Correction]
Status: Current
Version date: 22-Jun-2022

EV-97 teamEurostar UK and EV-97 Eurostar SL Microlight: Amendment of Inspection Requirements and Replacement of Critical Structural Items

Reference: MPD 2018-006
Status: Current
Version date: 08-Jun-2018

Ex-military aircraft equipped with Aircraft Assisted Escape Systems: Pyrotechnic Component Life Limitations – Remove from Service

Reference: MPD 2018-003R4
Status: Current
Version date: 07-Jan-2026

Ex-Military Westland Gazelle Helicopters: Tail Rotor Blades – Life Limit / Re-identification

Reference: MPD 2020-001
Status: Current
Version date: 23-Jan-2020

Exodus DeltaJet 500 StingRay: Aircraft Structure – Trike Frame – Operational Limitation

Reference: MPD 2024-002
Status: Current
Version date: 18-Jun-2024

Harvard All Variants: Wing Spar Corrosion Inspection

Reference: MPD 2013-004
Status: Current
Version date: 09-Sept-2013

Hawker Hurricane and Sea Hurricane: Undercarriage – Undercarriage Fork End Fittings – Inspection / Replacement

Reference: MPD 2022-005-E
Status: Current
Version date: 19-May-2022

Ikarus C42: Fuselage – Main Fuselage Tube – Inspection for Cracking

Reference: MPD 2016-004-E
Status: Current
Version date: 28-Jun-2016

Ikarus C42: Propeller – Forward Hub – Inspection for Cracking

Reference: MPD 2016-006-E
Status: Current
Version date: 15-Jul-2016

Kidde Graviner Automatic Fire Extinguishers: Inspection of Frangible Plug on Automatic Fire Extinguisher

Reference: MPD 2015-002
Status: Current
Version date: 13-Oct-2015

lvchenko AI-14, Vedeneyev M-14 P and Zhuzhou HS-6 engines: Engine Life Limit

Reference: MPD 2019-002
Status: Current
Version date: 25-Jan-2019

Magni M24C gyroplanes: Flight Controls - Rudder Pedal Mounting Block – Replacement

Reference: MPD 2011-001-E
Status: Current
Version date: 04-Mar-2011

Martin Baker Ejection Seats: Inspection of Ejection Seat Drogue Shackle Connection: Supersedes 2011-008-E

Reference: MPD 2013-005-E:
Status: Current
Version date: 26-Nov-2013

Merlin Engine, Packard Merlin Engine: Camshaft Bracket, Retaining Studs

Reference: MPD 2020-002 R1
Status: Current
Version date: 21-May-2020

Nanchang CJ-6A: Tailplane Forward Spar - Inspection

Reference: MPD 2011-010
Status: Current
Version date: 16-Dec-2011

North American Aviation : Inspection of Flight Control System

Reference: MPD 2013-002-E
Status: Current
Version date: 30-Apr-2013

P&M Aviation Ltd : Pegasus Quik, Quik GT 450, QuikR and Quik GTR : Sail Reinforcement Degradation - Additional Test

Reference: MPD 2012-005-E
Status: Current
Version date: 21-Nov-2012

P&M Aviation Ltd Pegasus Quik: Wing - Top Rigging Clevis Pin – Split Ring Replacement

Reference: MPD 2016-003-E
Status: Current
Version date: 22-Jun-2016

P&M Aviation Ltd: Wing – Luff Line Attachment Webbing – Inspection

Reference: MPD 2016-008-E
Status: Current
Version date: 03-Oct-2016

P&M Aviation Quik GTR, QuikR: Wing – Hang Bolt Installation– Inspection and Modification

Reference: MPD 2016-009
Status: Current
Version date: 22-Nov-2016

Pegasus Sport Aviation Ltd Quik, QuikR, Quik GTR, GT450 and Quantum microlights: Engine Ignition – Starter Inhibitor Switch – Modification

Reference: MPD 2024-003
Status: Current
Version date: 18-Dec-2024

Pipistrel Vertical Solutions d.o.o - Alpha BCAR-S 164: Flight Controls – Flaperon Bellcranck Bolt – Inspection

Reference: MPD 2023-001-E
Status: Current
Version date: 26-Apr-2023

Reality Escapades and Sherwood Scouts: Cockpit Seats – Seat Locking and Secondary Seat Restraint – Inspection

Reference: MPD 2022-004-E
Status: Current
Version date: 10-Feb-2022

Rolls Royce Avon Mk 1, Avon Mk 100 series, Avon Mk 200 series: Engine Calendar Life Limits- CORRECTION

Reference: MPD 2018-002 [Correction]
Status: Current
Version date: 26-Mar-2018

Rolls-Royce Avon Mk 1 and 100 Series Engines: Engine Stage 1 - 4 Compressor Blades and Discs - Inspection

Reference: MPD 2018-004
Status: Current
Version date: 24-May-2018

Rolls-Royce Avon Mk 20 and 100 series Engines, All serial numbers, All applicable Front Compressor Casing Part Numbers: Front Compressor Casing- Inspection

Reference: MPD 2018-005-E
Status: Current
Version date: 07-Jun-2018

Rolls-Royce Avon, Viper, Orpheus, Nene, Derwent, Adour, Pegasus; DH Goblin, Ghost; Motorlet M701; Ivchenko AI-25: Engine Fuel and Control – Fuel System Elastomerics – Inspect For Ageing Effects

Reference: MPD 2026-001
Status: Current
Version date: 05-Jan-2026

Rolls-Royce Derwent Engines: Engine Calendar Life Limits

Reference: MPD 2020-003
Status: Current
Version date: 21-Jul-2020

Rotax 912 and 914 Engines: Reciprocating Engine – Valve Push Rod Assembly – Inspection / Replacement

Reference: MPD 2018-001
Status: Current
Version date: 15-Feb-2018

Rotax 912 and 914 engines: Replacement of Flywheel Hub Washer Part No. 944072

Reference: MPD 2011-003-E
Status: Current
Version date: 10-May-2011

Rotax 912 and 914 Series engines: Crankshaft Inspection

Reference: MPD 2011-009-E R1 (Emergency)
Status: Current
Version date: 18-Jan-2012

Rotax 912 and 914 Series engines: Engine - Oil pump and attachment bolts -Inspection

Reference: MPD 2012-001-E (Emergency)
Status: Current
Version date: 20-Feb-2012

Rotax 912 i and 915 i A (Series) engines: Engine fuel and Control - Fuel Pump Assembly - Replacement

Reference: MPD 2019-006-E (Emergency)
Status: Current
Version date: 17-Oct-2019

Rotax 912 iS and 912 iS Sport engines Ignition: Ignition Housing Sealing Plugs - Inspection

Reference: MPD 2017-005-E
Status: Current
Version date: 09-Aug-2017

Rotax 912 UL, 912 ULS, 914 UL and 912 iS Sport engines: Engine – Propeller Gearbox Magnetic Plug – Inspection / Propeller Shaft Replacement

Reference: MPD 2023-002-E
Status: Current
Version date: 11-Aug-2023

Rotax 912, 912 i and 914 (series) engines: Engine – Propeller Gearbox – Inspection

Reference: MPD 2026-003-E
Status: Current
Version date: 30-Jun-2026

Rotax 912UL and 912ULS Series engines: Fuel Pump - Pressure side fuel hose replacement

Reference: MPD 2012-002-E (Emergency)
Status: Current
Version date: 06-Jun-2012

Rotax 912UL, 912ULS and 914UL series engines: Cylinder Head Inspection/Replacement

Reference: MPD 2013-003-E Correction (Emergency)
Status: Current
Version date: 30-Jul-2013

Rotax 912UL, 912ULS, 914UL: Engine Cylinder Head – Inspection/Replacement, Engine Re-identification

Reference: MPD 2017-001
Status: Current
Version date: 08-Feb-2017

Rotax 915 iS A and Rotax 914 UL engines, all serial numbers: Exchange of exhaust valves

Reference: MPD 2019-001-E
Status: Current
Version date: 11-Jan-2019

Rotorsport UK Calidus: Front Fork Top Steering Plate Replacement

Reference: MPD 2018-009-E
Status: Current
Version date: 17-Oct-2018

Rotorsport UK MT-03, MTOSport and Calidus gyroplanes: Rotor Blade – Life Limit: Supersedes MPD 2010-008 R1

Reference: MPD 2011-006-E
Status: Current
Version date: 12-Jul-2011

Rotorsport UK MT-03, MTOSport and Calidus gyroplanes: Rotor Head Assembly Main Bearing Bolt – Replacement

Reference: MPD 2011-007
Status: Current
Version date: 25-Nov-2011

Rotorway Executive 162F helicopters: Mandatory Requirements for UK Approval

Reference: MPD 2003-010 R1
Status: Current
Version date: 28-Apr-2014

Rotorway Executive 90 helicopters: Mandatory Requirements for UK Approval

Reference: MPD 1997-001 R3
Status: Current
Version date: 28-Apr-2014

Rotorway Executive and Rotorway Executive (Modified) helicopters: Mandatory Requirements for UK Approval

Reference: MPD 1997-003 R2
Status: Current
Version date: 28-Apr-2014

Rotorway Executive helicopters: Engine Cam Gear Life/Replacement

Reference: MPD 2014-003: Supersedes MPDs 1997-005&1997-006
Status: Current
Version date: 28-Apr-2014

SkyRanger, SkyRanger Swift and SkyRanger Nynja: Inspection for Material Type – Control Cable Shackles and Elevator Joiner

Reference: MPD 2014-001-E
Status: Current
Version date: 17-Jan-2014

Thruster T600: Propeller flange to crankshaft attachment screw replacement

Reference: MPD 2011-004-E (Emergency)
Status: Current
Version date: 20-May-2011

Various: Amendment of National Permit to Fly Conditions – Requirement for Aircraft to be Maintained in Accordance with a Maintenance Programme Approved by the UK CAA

Reference: MPD 2019-003
Status: Current
Version date: 25-Feb-2019

Vedenyev M-14P, Ivchenko AI-14, Zhuzhou HS-6: Engine Fuel System- Inspection and Draining

Reference: MPD 2018-008
Status: Current
Version date: 14-Sept-2018

Vickers Supermarine Spitfire and Seafire aeroplanes: Cracking of Main Landing Gear Chassis Pintles - CORRECTION

Reference: MPD 2020-004 [Correction]
Status: Current
Version date: 19-Oct-2020

Vickers Supermarine Spitfire and Seafire aeroplanes: Main Landing Gear Pintle Mount Studs Inspection

Reference: MPD 2020-006
Status: Current
Version date: 28-Sept-2020

Vickers Supermarine Spitfire and Seafire aeroplanes: Main Landing Gear Support Eye bolts

Reference: MPD 2020-005
Status: Current
Version date: 28-Sept-2020

Westland Gazelle AH.Mk 1, HT.Mk 2 and HT.Mk 3 helicopters: Landing Gear – Rear Cross-Tube – Inspection / Replacement

Reference: MPD 2016-005-E
Status: Current
Version date: 15-Jul-2016

Westland Gazelle AH.Mk 1, HT.Mk 2 and HT.Mk 3 helicopters: Main Rotor – Main Rotor Hub Torsion Bars – Inspection

Reference: MPD 2016-010
Status: Current
Version date: 05-Oct-2016

Westland Scout AH1, Westland Wasp HAS1 and Westland Wasp MK1B: Rotors Flight Control - Main Rotor Gearbox Controls - Inspection and Lubrication of Trunnion Bearings between Overhauls

Reference: MPD 2017-002-E
Status: Current
Version date: 20-Feb-2017

Yakovlev Yak-50: Airframe Life Limitation

Reference: MPD 2002-009 R3
Status: Current
Version date: 18-Mar-2014

Yeoman Light Aircraft Company Limited : Dynamic WT9-UK : Fuel Cock Lever Inspection / Repair

Reference: MPD 2012-004-E
Status: Current
Version date: 24-Oct-2012

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