AD 98-24-05 Airworthiness Directives; HOAC-Austria Model DV-20 Katana Airplanes

Makes named: rotax. Models named: DV-20 Katana. Read the applicability below — it usually turns on serial or part numbers too.

Model DV-20 Katana airplanes, certificated in any category, equipped with ROTAX 912-A3 series engines having serial numbers 4,076.064 through 4,380.753. Note 1: This AD applies to each airplane identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For airplanes that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (c) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by [[Page 64603]] this AD; and, if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.

Required within the next 100 hours time-in-service (TIS) after the effective date of this AD, unless already accomplished. To prevent electromagnetic interference (EMI) on the engine electronic module, which could cause the airplane engine to stop due to the interruption of the airplane's ignition system and result in loss of control of the airplane, accomplish the following: (a) Replace the engine electronic module, part number (P/N) 965 356 or an FAA-approved equivalent part number, with a new engine electronic module, P/N 965 358, in accordance with the Instructions section of the Bombardier-ROTAX Technical Bulletin No. 912-08, dated August 16, 1995. (b) Special flight permits may be issued in accordance with sections 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD can be accomplished. (c) An alternative method of compliance or adjustment of the compliance time that provides an equivalent level of safety may be approved by the Manager, Small Airplane Directorate, Aircraft Certification Service, 1201 Walnut, suite 900, Kansas City, Missouri 64106. The request shall be forwarded through an appropriate FAA Maintenance Inspector, who may add comments and then send it to the Manager, Small Airplane Directorate. Note 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Small Airplane Directorate. (d) Questions or technical information related to Bombardier- ROTAX Technical Bulletin No. 912-08, dated August 16, 1995, should be directed to HOAC-Austria, N.A. Otto-StraBe 5, A-2700 Wiener. Neustadt, Austria. This service information may be examined at the FAA, Central Region, Office of the Regional Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri. (e) The replacement required by this AD shall be done in accordance with Bombardier-ROTAX Technical Bulletin No. 912-08, dated August 16, 1995. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from HOAC-Austria, N.A. Otto-StraBe 5, A-2700 Wiener. Neustadt, Austria. Copies may be inspected at the FAA, Central Region, Office of the Regional Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri, or at the Office of the Federal Register, 800 North Capitol Street, NW, suite 700, Washington, DC. Note 3: The subject of this AD is addressed in Austrian AD No. 84, dated October 4, 1995. (f) This amendment becomes effective on January 4, 1999. Issued in Kansas City, Missouri, on November 10, 1998. Michael Gallagher, Manager, Small Airplane Directorate, Aircraft Certification Service. [FR Doc. 98-30894 Filed 11-20-98; 8:45 am] BILLING CODE 4910-13-U