United Kingdom Civil Aviation Authority MPD No: R1 Issue Date: 5 May 2004 MANDATORY PERMIT DIRECTIVE In accordance with Article 9A(5)(b) of t

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17 United Kingdom Civil Aviation Authority MPD No: R1 Issue Date: 5 May 2004 MANDATORY PERMIT DIRECTIVE In accordance with Article 9A(5)(b) of the Air Navigation Order 2000 as amended, the following action required by this Mandatory Permit Directive (MPD) is mandatory for applicable aircraft registered in the United Kingdom operating on a UK CAA Permit to Fly. MPD: R1 FLY BUY ULTRALIGHTS Subject: Elevator horn cracking. Applicability: Fly Buy Ultralights Ikarus C42 variants FB UK, FB 80, FB 100 and FB 100 VLA microlights. Reason: A crack has been found on one of the elevator horn plates on an Ikarus C42 microlight that had flown 59 hours. The crack appeared at the welded junction of the right hand horn plate with the collar tube, at the plate s rear edge, and appears to be associated with a small weld undercut at that point. Drawing 42UKD , Issue 26/10/2002, Elevator Horn Assembly refers. This MPD has been raised to Revision 1 to extend the compliance period for the kit built microlights. Compliance: Replace the elevator horn assembly with a modified component in accordance with Fly Buy Ultralights Owner s Service Bulletins OSB 16 Issue 1 dated 17 December 2003 for factory built microlights and OSB 17 Issue 3 dated 30 April 2004 for the kit built microlights. The modified component part number 42UKD , Issue 10/12/03 has an improved weld pattern. Factory built microlights must have had the Elevator Horn Assembly replaced by 17 March 2004 in accordance with OSB 16 Issue 1 and kit built microlights must have the Elevator Horn Assembly replaced by 5 June 2004 in accordance with OSB 17 Issue 3. Prior to the replacement of the elevator horn assembly, factory built microlights must be operated in accordance with the terms of Owner s Service Bulletin OSB 16 and kit built microlights in accordance with OSB 17. Copies of the Owner s Service Bulletins may be obtained from: Fly Buy Ultralights Ltd Shaw Lane, Shifnal Telford, Shropshire, TF11 9PN Tel: Fax: Record compliance with this MPD in the aircraft log book. The original MPD became effective 8 March 2004, this MPD becomes effective on 7 May Enquiries regarding this MPD should be referred to Mr Nigel Davis, Certification and Approvals Department, Civil Aviation Authority, Safety Regulation Group, Aviation House, Gatwick Airport South, West Sussex, RH6 0YR. Phone: Fax: nigel.davis@srg.caa.co.uk

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21 Civil Aviation Authority EMERGENCY MANDATORY PERMIT DIRECTIVE Number: E Issue date: 28 June 2016 In accordance with Article 22(1) of The Air Navigation Order 2009, as amended, the following action required by this Mandatory Permit Directive (MPD) is mandatory for applicable aircraft registered in the United Kingdom operating on a UK CAA Permit to Fly. Type Approval Holder s Name: Malcolm Stewart t/a Red Aviation Title: Type/Model Designation(s): Ikarus C42 Fuselage Main Fuselage Tube Inspection for Cracking Manufacturer: Applicability: Reason: Various Ikarus C42 FB UK Ikarus C42 FB100 VLA Ikarus C42 FB80 Ikarus C42 FB100 Ikarus C42 FB80 Bravo Ikarus C42 FB100 Bravo High hours examples of C42 aircraft have exhibited cracks emanating from the corners of the cut-outs in the main fuselage tube where the nose undercarriage leg and the A-strut are attached. The problem appears primarily to affect high hours early examples of the C42 on which the affected cut outs were made manually. Later models have machined cut-outs which are thought less likely to exhibit the cracking problem. More recently the A-strut attachment has been re-designed and there are no cut-outs for this item in the fuselage tube. At least for the initial issue of the service bulletin, all C42 aircraft must be inspected regardless of the build standard and manufacturing standard of the fuselage tube. If such cracks were allowed to propagate, the structural integrity of the nose undercarriage leg, A-strut and engine mountings may be compromised. Effective Date: 29 June 2016 Mandatory Permit Directive E Page 1 of 2

22 Civil Aviation Authority Mandatory Permit Directive SARG Compliance/Action: Compliance is required as follows, unless previously accomplished: 1. For aircraft with over 2000 hours of operation, carry out the inspection in paragraph 5 of this MPD before further flight. 2. For aircraft with over 1000 hours of operation, carry out the inspection in paragraph 5 of this MPD at the next annual inspection or the next 100 hour inspection, whichever occurs first. 3. Repeat the inspection carried out under paragraph 1 or paragraph 2 of this MPD at 500 hour intervals. 4. If the main fuselage tube has been replaced in an aircraft, the requirements in paragraphs 1, 2 and 3 of this MPD are applicable from the time of installation. 5. Visually inspect the main fuselage tube, inside and outside surfaces, in the vicinity of the nose undercarriage leg and A- strut (if applicable) attachment cut-outs for cracking. See example photographs in the referenced Owner s Service Bulletin. To facilitate the inspection the upper and lower cowlings must be removed as well as the sound deadening foam on the cockpit side of the firewall. If there is doubt whether there is cracking, dye penetrant crack detection may be used in addition to the visual inspection. 6. The aircraft owner may carry out the inspection in paragraph 4, if they consider themselves capable. Alternatively, a BMAA or LAA inspector may carry out the inspection. 7. If any cracks are found, ground the aircraft then inform Red Aviation and obtain and implement a repair scheme before further flight. ENSURE COMPLIANCE WITH THIS MPD IS RECORDED IN THE AIRCRAFT LOGBOOK Reference Publications: Malcolm Stewart t/a Red Aviation Owner s Service Bulletin Number 29, Issue 1, dated 16 June Remarks: 1. This MPD was not posted for consultation because of the urgency of the requirement. 2. Enquiries regarding this Mandatory Permit Directive should be referred to: GA Unit, Civil Aviation Authority, Safety and Airspace Regulation Group, Aviation House, Gatwick Airport South, West Sussex, RH6 0YR. Tel: +44 (0) ga@caa.co.uk Mandatory Permit Directive E Page 2 of 2

23 Civil Aviation Authority EMERGENCY MANDATORY PERMIT DIRECTIVE Number: E Issue date: 15 July 2016 In accordance with Article 22(1) of The Air Navigation Order 2009, as amended, the following action required by this Mandatory Permit Directive (MPD) is mandatory for applicable aircraft registered in the United Kingdom operating on a UK CAA Permit to Fly. Type Approval Holder s Name: Malcolm Stewart t/a Red Aviation Title: Type/Model Designation(s): Ikarus C42 Propeller Forward Hub Inspection for Cracking Manufacturer: Applicability: Various Ikarus C42 FB UK Ikarus C42 FB100 VLA Ikarus C42 FB80 Ikarus C42 FB100 Ikarus C42 FB80 Bravo Ikarus C42 FB100 Bravo aircraft fitted with a Neuform Ground Adjustable Propeller Reason: Cracks have occurred starting from the centre hole in the forward hub on some Neuform propellers. Three aircraft have been affected with hours flown ranging from 400 to Effective Date: 15 July 2016 The cause of the cracking is unknown, but several propellers have done over 3,000 hours and one example with 6,500 hours with no problem. It also seems to be only occurring in the UK as the problem has not been reported to Comco-Ikarus on any C42 s in Europe, where there are many more flying with Neuform propellers. If such cracks were allowed to propagate, the structural integrity of the propeller may be compromised, possibly resulting in the loss of one or more blades. Mandatory Permit Directive E Page 1 of 2

24 Civil Aviation Authority Mandatory Permit Directive SARG Compliance/Action: Compliance is required as follows, unless previously accomplished: 1. Before further flight, carry out the inspection in paragraph 3 below of this MPD. 2. Repeat the inspection in paragraph 3 below of this MPD at annual intervals. 3. Remove the propeller spinner and visually inspect the front hub for evidence of cracking from the centre hole. If there is doubt whether there is cracking, dye penetrant crack detection may be used in addition to the visual inspection. 4. The aircraft owner may carry out the inspection in paragraph 3 if they consider themselves capable. Alternatively, a BMAA or LAA inspector may carry out the inspection. 5. If any cracks are found, ground the aircraft then inform Red Aviation and obtain and implement a repair scheme before further flight. ENSURE COMPLIANCE WITH THIS MPD IS RECORDED IN THE AIRCRAFT LOGBOOK Reference Publications: Malcolm Stewart t/a Red Aviation Service Bulletin Number 30 Issue 1 dated 5 May Remarks: 1. This MPD was not posted for consultation because of the urgency of the requirement. 2. Enquiries regarding this Mandatory Permit Directive should be referred to: GA Unit, Civil Aviation Authority, Safety and Airspace Regulation Group, Aviation House, Gatwick Airport South, West Sussex, RH6 0YR. Tel: +44 (0) ga@caa.co.uk Mandatory Permit Directive E Page 2 of 2