{"id":343,"date":"2022-05-20T12:22:26","date_gmt":"2022-05-20T10:22:26","guid":{"rendered":"https:\/\/new.aerospool.sk\/?page_id=343"},"modified":"2022-05-26T09:00:35","modified_gmt":"2022-05-26T07:00:35","slug":"ull-dynamic-wt9-bulletins","status":"publish","type":"page","link":"https:\/\/www.aerospool.sk\/index.php\/ull-dynamic-wt9-bulletins\/","title":{"rendered":"ULL Dynamic WT9 Publications"},"content":{"rendered":"\n
\n

Service Bulletins<\/h2>\n\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
Document No.<\/th>Title<\/th>Date of Issue<\/th>Rev<\/th>Revision Date<\/th>Cancel Date<\/th>\n<\/tr>\n<\/thead>\n
List_of_Bulletins_WT-9_Dynamic_20250922<\/a><\/td>List of Bulletins<\/td>22.9.2025<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZB WT9 01A\/2003<\/a><\/td>Check of the landing gear legs
\nattachment.<\/td>		24. 9. 2003<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZB WT9 02A\/2006<\/a><\/td>Elevator play check and its
\nelimination.<\/td>		26. 10. 2006<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZB WT9 03A\/2007<\/a><\/td>Securing of the brushes of propeller
\nspeed control unit<\/td>		25.1.2007<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZB WT9 04A\/2007<\/td>Reserved<\/td>25.1.2007<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZB WT9 05A\/2007<\/a><\/td>Replacement of planetary gearbox
\ngear wheels of propeller adjustment
\nmechanism and inspection of
\nmechanical stops of minimal angle
\nof attack of propeller blades.
\n<\/td>		17.10.2007<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZB WT9 06A\/2008<\/a><\/td>Replacement of fuel connection
\nhose (\u00f818 mm) between central
\nsection fuel tank and wing fuel tank<\/td>		3.7.2008<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 07A\/2008<\/a><\/td>Throttle lever nut locking.<\/td>27.11.2008<\/td>-<\/td>-<\/td><\/td>\n<\/tr>\n
ZBWT9 08A\/2008<\/a><\/td>The engine bed used in fixed landing
\ngear version.
\n<\/td>		15.10.2008<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 09A\/2008<\/a><\/td>Change in the Operating,
\nMaintenance and repair manual for
\naeroplane WT 9 Dynamic, page 3-8.
\nCompletion of the item 6.1.1 Wing
\ndisassembly into a Periodic
\ninspection listing.
\n<\/td>		20.10.2008<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 10A\/2008<\/a><\/td>Change in Flight Manual for
\naeroplane WT-9 Dynamic, pages
\n0-4, 0-5, 3-5, 3-6.<\/td>		14.01.2009<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 11A\/2009<\/a><\/td>E10 fuel use approval (Unleaded
\ngasoline blended with 10% ethanol)
\nand WT-9 Dynamic Normal
\nprocedures for Airplane securing
\nmodification<\/td>		05.10.2009<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 12A\/2010<\/a><\/td>Change in the WT-9 Dynamic
\nmaintenance schedule (canceliation
\nof the airframe 50h periodical
\ninspection
\n<\/td>		11.11.2010<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 13A\/2011<\/a><\/td>Exhaust silencer<\/td>06.05.2011<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 14A\/2011<\/a><\/td>Change in WT- 9 Dynamic Flight
\nManual and Operating,
\nMaintenance and repair manual<\/td>		12.09.2011<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 15A\/2011<\/a><\/td>Check of crankshaft journal (power
\ntake off side) for Rotax engine type
\n912 and 914 (Series).<\/td>		30.11.2011<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 16A\/2012<\/a><\/td>Swing bearings and flaps push
\nrods check <\/td>		24.09.2012<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 17A\/2012<\/a><\/td>Change of Time between overhaul
\nintervals (TBO) of Woodcomp
\npropellers<\/td>		26.11.2012<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 18A\/2013 Rev. 1<\/a><\/td>Airbox and carburetor drain \/ vent
\nconnection.<\/td>		20.03.2014<\/td>1<\/td>20.03.2014<\/td>-<\/td>\n<\/tr>\n
ZBWT9 19A\/2015 Rev. 1<\/a>
\n<\/td>		Modification or replacement of water
\nthermostat.<\/td>		21.04.2015<\/td>1<\/td>21.04.2015<\/td>-<\/td>\n<\/tr>\n
ZBWT9 20A\/2016<\/a><\/td>Exhaust silencer FG<\/td>11.08.2016<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 21A\/2016<\/a><\/td>Added warning for performing of
\nsideslip maneuver into the POH<\/td>		11.08.2016<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 22A\/2018<\/a><\/td>Inspection of nose fixed landing gear
\nWT-9 Dynamic.<\/td>		15.08.2018<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 23A\/2020<\/a><\/td>Inspection of gap between the
\nelevator root hinge assembly and the
\nvertical stabilizer skin.<\/td>		25.08.2020<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 24A\/2020<\/a><\/td>Replacement of the main and auxiliary
\nfuel pump check valves on the aircraft
\nequipped with engine Rotax 914UL.
\n<\/td>		28.08.2020<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 25A\/2020<\/a><\/td>Installation of parachute front spacer
\nbetween firewall and parachute fabric
\ncontainer.<\/td>		21.12.2020<\/td>1<\/td>21.12.2020<\/td>-<\/td>\n<\/tr>\n
ZBWT9 26A\/2021<\/a><\/td>Engine mount inspection of aircraft
\nwith fixed landing gear and engine
\nRotax 912 iS.
\n<\/td>		12.03.2021<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9 27A_2022_R1<\/a><\/td>Update of the Pilot's Operating Handbook (POH) for aicraft registered in Portugal.<\/td>11.4.2022<\/td>1<\/td>14.4.2022<\/td>-<\/td>\n<\/tr>\n
ZBWT9_28A_2023_R2<\/a><\/td>Increase of maximum takeoff weight (MTOW) to 600 kg.<\/td>7.12.2023<\/td>2<\/td>18.9.2024<\/td>-<\/td>\n<\/tr>\n
ZBWT9_29A_2024_R0<\/a><\/td>Inspection of the emergency parachute cover<\/td>9.2.2024
\r\n<\/td>		-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9_30A_2024_R0<\/a><\/td>Installation of forward fuel pump<\/td>3.5.2024<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
ZBWT9_31A_2024_R2_SK<\/a><\/td>Installation of safety equipmnet - stall strips<\/td>28.8.2024<\/td>2<\/td>13.3.2025<\/td>-<\/td>\n<\/tr>\n
ZBWT9_31A_2024_R3_EN<\/a><\/td>Installation of safety equipmnet - stall strips<\/td>28.8.2024<\/td>3
\n<\/td>		9.9.2025<\/td>-<\/td>\n<\/tr>\n
SBWT9_676_2024_R0_EN<\/a><\/td>Modification of Aircraft Serial Number DY-676<\/td>30.9.2024<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
SBWT9_512_2025_R0<\/a><\/td>Modification of Aircraft Serial Number DY-512\/2014<\/td>6.2.2025<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
SBWT9_503_2025_R0_EN<\/a><\/td>Modification of Aircraft Serial Number DY-503\/2014<\/td>28.2.2025<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
SBWT9_656_2025_R0_EN<\/a><\/td>Modification of Aircraft Serial Number DY-656\/2018<\/td>4.3.2025
\n<\/td>		-<\/td>-<\/td>-<\/td>\n<\/tr>\n
SBWT9_592_2025_R0_EN<\/a><\/td>Modification of Aircraft Serial Number DY-592\/2016<\/td>18.3.2025<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
SBWT9_583_2025_R0_EN<\/a><\/td>Modification of Aircraft Serial Number DY-583\/2016<\/td>20.8.2025<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
SBWT9_511_2025_R0_EN<\/a><\/td>Modification of Aircraft Serial Number DY-511\/2014<\/td>22.9.2025<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n<\/div>\n<\/div>\n\n\n\n
\n

Information Bulletins<\/h2>\n\n\n\n\n\t\n\n\t\n\t
Document No.\t<\/th>Title<\/th>Date of Issue<\/th>Rev<\/th>Revision Date<\/th>Cancel Date<\/th>\n<\/tr>\n<\/thead>\n
List_of_information_bulletins<\/td>List of information Bulletins<\/td>17.10.2013<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
IBWT901\/2013<\/td>Characteristics of the Rotax fuel pump P\/N 893110<\/td>14.10.2013<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n<\/div>\n<\/div>\n\n\n\n
\n

Recommendations<\/h2>\n\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
Document No.\t<\/th>Title<\/th>Date of Issue<\/th>Rev<\/th>Revision Date<\/th>Cancel Date<\/th>\n<\/tr>\n<\/thead>\n
20190404_List_of_recommendations_ULL<\/a><\/td>List of Reccomendations<\/td>4.4.2019<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
DVWT9_01B<\/a><\/td>Change of the air filter<\/td>22.9.2004<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
DVWT9_02B<\/a><\/td>Fuel management<\/td>22.9.2006<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
DVWT9_03B_SK<\/a><\/td>Nose undercarriage leg drive play inspection<\/td>20.1.2006<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
DVWT9_04B_SK<\/a><\/td>Securing of the transparent inspection window on the wing underside.<\/td>30.6.2006<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
DVWT9_05B<\/a><\/td>Replacement of fuel connecting houses of wing fuel tanks. Adding of conductive connection between wing and central section fuel tanks<\/td>25.4.2007<\/td>1<\/td>13.6.2007<\/td>-<\/td>\n<\/tr>\n
DVWT9_06B<\/a><\/td>Fuel cock \u2013 3 way;
\nFuel cock \u2013 2 way, aplicable only for aeroplanes equipped with two fuel cocks
\n<\/td>		31.5.2007<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
DVWT9_07B<\/a><\/td>Metal parts corrosion
\nFront leg of fixed landing gear
\nFlaps torsion tube
\nElevator actuating bracket
\n<\/td>		5.12.2007<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
DVWT9_08B<\/a><\/td>Locking of the wing\u2019s main pin by the Fokker pin.<\/td>3.9.2008<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n
DVWT9_09B<\/a><\/td>Optional modification of filter holder with preheating.<\/td>26.11.2012<\/td><\/td><\/td><\/td>\n<\/tr>\n
DVWT9_10B<\/a><\/td>Installation of canopy lock with safety latch and sensor.<\/td>26.11.2012<\/td>-<\/td>-<\/td>-<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-343","page","type-page","status-publish","hentry","entry"],"_links":{"self":[{"href":"https:\/\/www.aerospool.sk\/index.php\/wp-json\/wp\/v2\/pages\/343","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.aerospool.sk\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.aerospool.sk\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.aerospool.sk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.aerospool.sk\/index.php\/wp-json\/wp\/v2\/comments?post=343"}],"version-history":[{"count":6,"href":"https:\/\/www.aerospool.sk\/index.php\/wp-json\/wp\/v2\/pages\/343\/revisions"}],"predecessor-version":[{"id":390,"href":"https:\/\/www.aerospool.sk\/index.php\/wp-json\/wp\/v2\/pages\/343\/revisions\/390"}],"wp:attachment":[{"href":"https:\/\/www.aerospool.sk\/index.php\/wp-json\/wp\/v2\/media?parent=343"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}