Zoznam technických bulletinov WT-9 Dynamic
AEROSPOOL WT-9 Dynamic RG · Service Bulletins
Overview
This document is a list of service bulletins for the Aerospool WT-9 Dynamic aircraft, detailing various maintenance and inspection requirements. It includes updates on compliance actions, affected serial numbers, and specific subjects related to aircraft safety and performance.
- Service bulletins cover checks and replacements for various aircraft components.
- Immediate compliance is required for several maintenance actions.
- Updates include changes to operating and maintenance manuals.
- Specific serial numbers are affected by each bulletin.
- Bulletins address issues like landing gear attachment and fuel system components.
- Regular inspections are mandated for certain parts and systems.
- Modifications to maintenance schedules are included.
- Approval for E10 fuel use is documented.
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Reference only, not for flight. Use the current approved manual for your aircraft. See terms, section 5.
Document
Source
Copy found at aerospool.sk. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.
Document details
- Type ·
- Service Bulletins
- Year ·
- 2025
- File size ·
- 350 KB
- Copy found at ·
- aerospool.sk
- Language ·
- sk
What is the Zoznam technických bulletinov WT-9 Dynamic?
The Zoznam technických bulletinov WT-9 Dynamic is a service bulletins for the AEROSPOOL WT-9 Dynamic RG, dated 2025.
What year was the Zoznam technických bulletinov WT-9 Dynamic published?
The Zoznam technických bulletinov WT-9 Dynamic — the AEROSPOOL WT-9 Dynamic RG service bulletins on file — is dated 2025.
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Most owners only have the POH. Here's the essential set for the AEROSPOOL WT-9 Dynamic RG.
- Pilot's Operating Handbook / AFM
- Checklist
- Maintenance Manual
- Parts Catalog (IPC)
- Systems & Wiring
- Service Bulletins on file
- Type Certificate (TCDS)
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In this document
Landing Gear Checks
Bulletin ZB WT9 01A/2003 requires an immediate check of the landing gear legs attachment.
Elevator Play Check
Bulletin ZB WT9 02A/2006 mandates an immediate check of the elevator play for specific serial numbers.
Propeller Mechanism Inspection
Bulletin ZB WT9 05A/2007 involves replacing gear wheels in the propeller adjustment mechanism at the next 150 and 300 hours inspections.
Fuel System Maintenance
Bulletin ZB WT9 06A/2008 requires immediate replacement of the fuel connection hose between the central and wing fuel tanks.
Throttle Lever Locking
Bulletin ZB WT9 07A/2008 mandates immediate locking of the throttle lever nut for all aircraft.
E10 Fuel Approval
Bulletin ZB WT9 11A/2009 approves the use of E10 fuel and modifies normal procedures for securing the aircraft.
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Safety notes
- Immediate action is required for checks and replacements as specified in the bulletins.
- Certain bulletins apply only to specific serial numbers.
- Failure to comply with maintenance schedules may affect aircraft safety.
- Changes in fuel type may require adjustments in operational procedures.
Summary written by AI from the source document. Check the original before relying on it. See which parts of Sprinkle are written by AI.
Full document text
Zoznam technických bulletinov WT-9 Dynamic List/Listov: 1 / 11 List of Service Bulletins WT-9 Dynamic Page/Pages: Update 12.12.2025 Typový certifikát č.: Typ: Model: Výr. č.: Pozn. značka: Type Certificate No.: Type: Model: S/N: Registation: Vydaný dňa, číslo: Date of issue, No.: Týka sa: Affected: Predmet: Subject: Termín: Compliance: Vykonaný: Carried out: 24. 9. 2003 ZB WT9 01A/2003 DY–005/01, DY–007/01, DY–008/01, DY–009/02, DY–012/02, DY–014/02, DY–015/02, DY–016/02, DY–017/02, DY–019/02, DY–020/02, DY–021/02, DY–027/03, DY–029/03, DY–030/03, DY–031/03 Kontrola upevnenia nôh pevného podvozka. Check of the landing gear legs attachment. Ihneď Immediately 26. 10. 2006 ZB WT9 02A/2006 Od výr. č. / from S/N DY–004/01 do/to DY–019/02. Kontrola vôle závesov výškového kormidla. Elevator play check and its elimination. Ihneď Immediately 25. 1. 2007 ZB WT9 03A/2007 Všetky do DY–160/2006. All up to DY–160/2006. Zaistenie zberných kefiek riadiacej jednotky otáčok vrtule. Securing of the brushes of propeller speed control unit Ihneď Immediately 25. 1. 2007 ZB WT9 04A/2007 – Rezervované. Reserved. 17. 10. 2007 ZB WT9 05A/2007 Lietadlá s vrtuľou SR 2000. Aircraft with propeller SR 2000. DY–046/2004, DY–064/2004, DY–067/2004, DY–071/2004, DY–085/2005, DY–090/2005, DY–091/2005, DY–095/2005, DY–097/2005, DY–107/2005, DY–108/2005, DY–109/2005, DY–111/2005, DY–112/2005, DY–114/2005, DY–117/2006, DY–118/2006, DY–124/2006, DY–125/2006, DY–127/2006, DY–128/2006, DY–131/2006, DY–133/2006, DY–136/2006, DY–139/2006, DY–141/2006, DY–145/2006, DY–146/2006, DY–149/2006, DY–152/2006, DY–160/2006, DY–166/2007, DY–168/2007, DY–169/2007, DY–171/2007, DY–172/2007, DY–174/2007, DY–177/2007, DY–178/2007, DY–179/2007, DY–180/2007, DY–182/2007, DY–183/2007, DY–185/2007, DY–186/2007, DY–187/2007, DY–190/2007, DY–195/2007, DY–196/2007 Výmena ozubených koliesok planétovej prevodovky mechanizmu nastavovania vrtule a kontrola nastavenia mechanických dorazov minimálneho uhlu nábehu vrtule. Replacement of planetary gearbox gear wheels of propeller adjustment mechanism and inspection of mechanical stops of minimal angle of attack of propeller blades. Pri najbližšej 150 h prehliadke a 300 h prehliadke u výrobcu. At the next 150 hours inspection and 300 hours inspection at propeller manufacturer. Zoznam technických bulletinov WT-9 Dynamic List/Listov: 2 / 11 List of Service Bulletins WT-9 Dynamic Page/Pages: Update 12.12.2025 Typový certifikát č.: Typ: Model: Výr. č.: Pozn. značka: Type Certificate No.: Type: Model: S/N: Registation: Vydaný dňa, číslo: Date of issue, No.: Týka sa: Affected: Predmet: Subject: Termín: Compliance: Vykonaný: Carried out: 03.07.2008 ZB WT9 06A/2008 Lietadlá s prídavnými krídlovými nádržami. Aircraft with additional wing fuel tanks. DY–048/2004, DY–054/2004, DY–067/2004, DY–072/2005, DY–073/2005, DY–074/2005, DY–083/2005, DY–084/2005, DY–085/2005, DY–093/2005, DY–096/2005, DY–098/2005, DY–107/2005, DY–108/2005, DY–109/2005, DY–113/2005, DY–115/2006, DY–117/2006, DY–122/2006, DY–123/2006, DY–126/2005, DY–129/2006, DY–132/2006, DY–134/2006, DY–136/2006, DY–138/2006, DY–139/2006, DY–143/2006, DY–145/2006, DY–150/2006, DY–151/2006, DY–157/2007, DY–160/2006, DY–162/2007, DY–167/2007, DY–169/2007, DY–170/2007, DY–174/2007, DY–176 2007, DY–177/2007, DY–179/2007, DY–181/2007, DY–183/2007, DY–184/2007, DY–185/2007, DY–191/2007, DY–196/2007, DY–142/1/2007, DY–201/2007, DY–203/2007, DY–204/2007, DY–205/2007, DY–207/2007, DY–208/2007, DY–209/2007, DY–210/2007, DY–214/2007, DY–216/2007, DY–217/2008, DY–218/2008, DY–219/2008, DY–220/2008, DY–221/2008, DY–223/2008, DY–225/2008, DY–226/2008, DY–228/2008, DY–234/2008, DY–237/2008, DY–240/2008, DY–245/2008, DY–246/2008, DY–247/2008, DY–250/2008, DY–251/2008, DY–252/2008, DY–253/2008, DY–254/2008, DY–255/2008. K–03/2006, K–07/2006, K–09/2006, K–10/2006, K–14/2007, K–17/2007, K–21/2008, K–22/2008. Výmena spojovacej hadice (ø18 mm) medzi palivovou nádržou v trupe a nádržou v krídle. Replacement of fuel connection hose (ø18 mm) between central section fuel tank and wing fuel tank. Ihneď Immediately 15.08.2008 ZBWT9 07A/2008 Všetky lietadlá. All aircraft. Zaistenie matice na ovládači plynu. Throttle lever nut locking. Ihneď Immediately Zoznam technických bulletinov WT-9 Dynamic List/Listov: 3 / 11 List of Service Bulletins WT-9 Dynamic Page/Pages: Update 12.12.2025 Typový certifikát č.: Typ: Model: Výr. č.: Pozn. značka: Type Certificate No.: Type: Model: S/N: Registation: Vydaný dňa, číslo: Date of issue, No.: Týka sa: Affected: Predmet: Subject: Termín: Compliance: Vykonaný: Carried out: 27.11.2008 ZBWT9 07A/2008/UK Všetky lietadlá typu Dynamic WT9–UK. All aircraft type Dynamic WT9–UK. DY–135/2006, DY–147/2006, DY–155/2006, DY–159/2006, DY–161/2007, DY–165/2007, DY–188/2007, DY–189/2007, DY–192/2007, DY–194/2007, DY–197/2007, DY–200/2007, DY–239/2008, DY–257/2008. Zaistenie matice na ovládači plynu. Throttle lever nut locking. Ihneď Immediately 15.10.2008 ZBWT9 08A/2008 Všetky lietadlá typu WT–9 Dynamic s pevným podvozkom. All aircraft type WT–9 Dynamic equipped with fixed landing gear. Motorové lože pevného podvozku. The engine bed used in fixed landing gear version. Pri najbližšej periodickej prehliadke. At the next periodic inspection. 20.10.2008 ZBWT9 09A/2008 Všetky lietadlá typu WT–9 Dynamic. All aeroplanes type WT–9 Dynamic. Zmena v Príručke na prevádzku, údržbu a opravu letúna WT 9 Dynamic, strana 3–8. Doplnenie bodu 6.1.1 Demontáž krídla do zoznamu úkonov periodickej prehliadky. Change in the Operating, Maintenance and repair manual for aeroplane WT 9 Dynamic, page 3–8. Completion of the item 6.1.1 Wing disassembly into a Periodic inspection listing. Ihneď Immediately Zoznam technických bulletinov WT-9 Dynamic List/Listov: 4 / 11 List of Service Bulletins WT-9 Dynamic Page/Pages: Update 12.12.2025 Typový certifikát č.: Typ: Model: Výr. č.: Pozn. značka: Type Certificate No.: Type: Model: S/N: Registation: Vydaný dňa, číslo: Date of issue, No.: Týka sa:
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Affected: Predmet: Subject: Termín: Compliance: Vykonaný: Carried out: 03. 12. 2008 ZBWT9 10A/2008 Všetky lietadlá. All aircraft. Zmena v Letovej príručke letúna WT–9 Dynamic, strany 0–4, 0–5, 3– 5, 3–6. –Doplnenie bodu 3.8.4 Nezaistený kryt kabíny a zmena v bode 3.8.3 Použitie záchranného systému (WT–9 Dynamic, model s pevným podvozkom) –Doplnenie bodu 3.8.5 Nezaistený kryt kabíny a zmena v bode 3.8.4 Použitie záchranného systému (WT–9 Dynamic, model so zaťahovacím podvozkom). Change in Flight Manual for aeroplane WT–9 Dynamic, pages 0– 4, 0–5, 3–5, 3–6. –Insertion of a point 3.8.4 Unsecured cockpit canopy and correction of a point 3.8.3 Rescue system (WT–9 Dynamic, model with fixed undercarriage) – Insertion of a point 3.8.5 Unsecured cockpit canopy and correction of a point 3.8.4 Rescue system (WT–9 Dynamic, model with retractable undercarriage). Ihneď Immediately Zoznam technických bulletinov WT-9 Dynamic List/Listov: 5 / 11 List of Service Bulletins WT-9 Dynamic Page/Pages: Update 12.12.2025 Typový certifikát č.: Typ: Model: Výr. č.: Pozn. značka: Type Certificate No.: Type: Model: S/N: Registation: Vydaný dňa, číslo: Date of issue, No.: Týka sa: Affected: Predmet: Subject: Termín: Compliance: Vykonaný: Carried out: 05.10.2009 ZBWT9 11A/2009 Všetky lietadlá. All aircraft. Schválenie používania paliva E10 (bezolovnatý benzín s 10 % – ným obsahom etanolu) a upravenie Normálnych postupov na odstavenie letúna WT–9 Dynamic. E10 fuel use approval (Unleaded gasoline blended with 10% ethanol) and WT–9 Dynamic Normal procedures for Airplane securing modification Ihneď Immediately 11.11.2010 ZBWT9 12A/2010 Všetky lietadlá. All aircraft. Zmena systému údržby letúna WT–9 Dynamic (zrušenie 50h prehliadok draku) Change in the WT–9 Dynamic maintenance schedule (canceliation of the airframe 50h periodical inspection Pri ďalšej periodickej prehliadke lietadla. At the next plane periodical inspection 06.05.2011 ZBWT9 13A/2011 Všetky lietadlá vybavené motormi Rotax 912 (80 a 100 hp). All aircraft equipped with engines Rotax 912 (80 and 100 hp). Tlmič výfuku. Exhaust silencer 1. Kontrola ihneď. 2. Ak sa zistia trhliny – inheď. 3. Ak sa nezistia trhliny – pri najbližšej prehliadke 1. Check immediately 2. If cracks were found – immediately. 3. If cracks were not found – at next periodical inspection. Zoznam technických bulletinov WT-9 Dynamic List/Listov: 6 / 11 List of Service Bulletins WT-9 Dynamic Page/Pages: Update 12.12.2025 Typový certifikát č.: Typ: Model: Výr. č.: Pozn. značka: Type Certificate No.: Type: Model: S/N: Registation: Vydaný dňa, číslo: Date of issue, No.: Týka sa: Affected: Predmet: Subject: Termín: Compliance: Vykonaný: Carried out: 12.09.2011 ZBWT9 14A/2011 Všetky lietadlá. All aircraft. Zmena v Letovej príručke a Príručke na prevádzku, údržbu a opravu letúna WT– 9 Dynamic (zmena údaju MTOW a rýchlosti bočného vetra, doplnenie údaju o ročnej prehliadke draku) Change in WT– 9 Dynamic Flight Manual and Operating, Maintenance and repair manual (Change in MTOW, croswind velocity, completion of airframe annual inspection data) Pri ďalšej periodickej prehliadke lietadla. At the next plane periodical inspection 30.11.2011 ZBWT9 15A/2011 WT9 Dynamic LSA výrobné čísla: WT9 Dynamic LSA serial numbers: DY–337/2009, DY–339/2009, DY–347/2010, DY–357/2010, DY–361/2010, DY–363/2010, DY–366/2010, DY–377/2010, DY–387/2010, DY–390/2010, DY–391/2010, DY–392/2010, DY–395/2010, DY–400/2011, DY–420/2011 Kontrola kľukového hriadeľa motora Rotax série 912 a 914. Check of crankshaft journal (power take off side) for Rotax engine type 912 and 914 (Series). Pred ďalším letom. Before next flight. 24.09.2012 ZBWT9 16A/2012 Lietadlá od výr. č. DY–002/2001 do výr.č. DY–200/2007. Netýka sa lietadiel vybavených tiahlom klapiek typu B. Aircraft from S/N. DY–002/2001 till S/No. DY–200/2007. Does not apply to aircrafts equipped with flaps push–rod type B. Kontrola ložiskových koncoviek (galeniek) a tiahel vztlakových Klapiek Swing bearings and flaps push rods check Ihneď Immediately 26.11.2012 ZBWT9 17A/2012 Všetky lietadlá vybavené vrtuľou Woodcomp. All aircraft fitted with Woodcomp propellers. Zmena intervalov generálnych opráv (GO) vrtúľ Woodcomp Change of Time between overhaul intervals (TBO) of Woodcomp propellers Ihneď Immediately Zoznam technických bulletinov WT-9 Dynamic List/Listov: 7 / 11 List of Service Bulletins WT-9 Dynamic Page/Pages: Update 12.12.2025 Typový certifikát č.: Typ: Model: Výr. č.: Pozn. značka: Type Certificate No.: Type: Model: S/N: Registation: Vydaný dňa, číslo: Date of issue, No.: Týka sa: Affected: Predmet: Subject: Termín: Compliance: Vykonaný: Carried out: 20.03.2014 ZBWT9 18A/2013 Rev. 1 Všetky lietadlá vybavené airboxom do v. č. DY–470/2013 vrátane, okrem lietadiel s nasledujúcimi v. č.: All airplanes equipped with airbox up to S/N DY–470/2013 inclusive, except of following S/N: DY–018/2002; DY–027/2003; DY–133/2006; DY–236/2008; DY–462/2013; DY–465/2013; DY–469/2013 Zapojenie prepadov / odvetrania airboxu a karburátora. Airbox and carburetor drain / vent connection. Pri najbližšej periodickej prehliadke. Najneskôr do 31.03.2014. At next periodic inspection. Up to 31.03.2014 the latest. 21.04.2015 ZBWT9 19A/2015 Rev. 1 DY–486/2013; DY–489/2013; DY–490/2014; DY–492/2014; DY–495/2014; DY–497/2014; DY–498/2014; DY–503/2014; DY–505/2014; DY–506/2014; DY–509/2014; DY–512/2014; DY–513/2014; DY–517/2014; DY–518/2014; DY–519/2014; DY–520/2014; DY–521/2014; DY–535/2015 Modifikácia alebo výmena vodného termostatu Modification or replacement of water thermostat. Pri najbližšej periodickej prehliadke. Najneskôr do 30.04.2015. At next periodic inspection. Up to 30.04.2015 the latest. 11.08.2016 ZBWT9 20A/2016 Všetky lietadlá vybavené pevným podvozkom a motorom Rotax 912 a Rotax 912iS od v. č. DY–523/2015 vrátane do v. č. DY–580/2016 vrátane, okrem lietadla s v. č. DY–542/2015. Tiež lietadlá s v. č.: DY–027/2003; DY–177/2007; DY–224/2008; DY–256/2008. All airplanes equipped with fixed landing gear and engine Rotax 912 and Rotax 912iS from S/N DY–523/2015 including to S/N DY–580/2016 including, except airplane with S/N DY–542/2015. Also airplanes with S/N: DY–027/2003; DY–177/2007; DY–224/2008; DY–256/2008. Tlmič výfuku PP. Exhaust silencer FG. Pred najbližším štartom motora. Before the next engine start. 11.08.2016 ZBWT9 21A/2016 Všetky lietadlá vybavené motorom Rotax 912iS. All aircraft equipped with the engine Rotax 912iS. DY–522/2015; DY–523/2015; DY–526/2015; DY–531/2015; DY–541/2015; DY–551/2015; DY–553/2015; DY–556/2015; DY–559/2015; DY–564/2016; DY–574/2016; DY–577/2016; DY–581/2016; DY–585/2016; Doplnenie varovania pre vykonávanie sklzu do POH. Added warning for performing of sideslip maneuver into the POH. Ihneď. Immediately. Zoznam technických bulletinov WT-9 Dynamic List/Listov: 8 / 11 List of Service Bulletins WT-9 Dynamic Page/Pages: Update 12.12.2025 Typový certifikát č.: Typ: Model: Výr. č.: Pozn. značka: Type Certificate No.: Type: Model: S/N: Registation: Vydaný dňa, číslo: Date of issue, No.: Týka sa: Affected: Predmet: Subject: Termín: Compliance: Vykonaný: Carried out: 15.08.2018 ZBWT9 22A/2018 Všetky lietadlá vybavené pevným podvozkom. All aircraft equipped with fixed landing gear. Kontrola predného pevného podvozku WT–9 Dynamic. Inspection of nose fixed landing gear WT–9 Dynamic. Ak bolo zaznamenané tvrdé pristátie – ihneď, inak pri najbližšej periodickej prehliadke. If hard landing was registered – immediately, otherwise at the next periodical inspection. 25.08.2020 ZBWT9 23A/2020 Všetky lietadlá od výrobného čísla DY–672 po DY–696 (vrátane), DY–699, od DY–701 po DY–704 (vrátane). Všetky lietadlá, na ktorých bol použitý náhradný diel číslo D55200300A. All aircraft from S/N DY–672 to DY–696 (inclusive), DY–699, from DY–701 to DY–704 (inclusive). All aircraft where the elevator root hinge assembly with P/N. D55200300A was used as a spare part. Kontrola vôle medzi kovaním koreňového závesu výškového kormidla a poťahom vertikálneho stabilizátora. Inspection of gap between the elevator root hinge assembly and the vertical stabilizer skin. Pri najbližšej periodickej prehliadke. At the next periodic inspection. 28.08.2020 ZBWT9 24A/2020 DY–672/2019; DY–676; DY–685; DY–687; DY–689; DY–692, DY–695 Výmena obtokových ventilov hlavného a pomocného palivového čerpadla v lietadlách vybavených motorom Rotax 914UL. Replacement of the main and auxiliary fuel pump check valves on the aircraft equipped with engine Rotax 914UL. Pri najbližšej periodickej prehliadke. At the next periodic inspection. Zoznam technických bulletinov WT-9 Dynamic List/Listov: 9 / 11 List of Service Bulletins WT-9 Dynamic Page/Pages: Update 12.12.2025 Typový certifikát č.: Typ: Model: Výr. č.: Pozn. značka: Type Certificate No.: Type: Model: S/N: Registation: Vydaný dňa, číslo: Date of issue, No.: Týka sa: Affected: Predmet: Subject: Termín: Compliance: Vykonaný: Carried out: 21.12.2020 ZBWT9 25A/2020 DY–458/2013; DY–467/2013; DY–488/2013; DY–489/2013; DY–497/2014; DY–502/2014*; DY–512/2014; DY–516/2014; DY–520/2014; DY–521/2014; DY–533/2015; DY–536/2015; DY–540/2015; DY–546/2015; DY–566/2016; DY–571/2016; DY–572/2016; DY–584/2016; DY–592/2016; DY–596/2016; DY–610/2017; DY–611/2017; DY–613/2017; DY–615/2017; DY–628/2017; DY–630/2017; DY–636/2017; DY–638/2017; DY–641/2018; DY–644/2018; DY–648/2018; DY–656/2018; DY–663/2018; DY–665/2019; DY–670/2019; DY–672/2019; DY–676; DY–687; DY–689; DY–692; DY–703; DY–706 *Iba ak bude nainštalovaný padák. *Only if the parachute will be installed. Inštalácia prednej podložky medzi požiarnu priečku a textilný obal padáka. Installation of parachute front spacer between firewall and parachute fabric container. Pri najbližšej periodickej prehliadke. At the next periodic inspection. 12.03.2021 ZBWT9 26A/2021 DY–541/2015; DY–542/2015; DY–551/2015; DY–564/2016; DY–581/2016; DY–603/2017; DY–624/2017; DY–659/2018; DY–686/2019 Všetky lietadlá s pevným podvozkom, do ktorých bol dodatočne inštalovaný motor Rotax 912 iS. All aircraft with fixed landing gear and retrofitted engine Rotax 912 iS. Kontrola motorového lôžka lietadiel s pevným podvozkom a motorom Rotax 912 iS. Engine mount inspection of aircraft with fixed landing gear and engine Rotax 912 iS. Pred ďalším letom. Before next flight. 14.04.2022 ZBWT9 27A/2022 Rev. 1 DY–021/2002; DY–024/2003; DY–025/2003; DY–030/2003; DY–031/2003; DY–087/2005; DY–108/2005; DY–175/2007; DY–218/2008; DY–244/2008; DY–275/2008; DY–323/2009; DY–372/2010; DY–386/2010; DY–399/2010; DY–533/2015; DY–567/2016; DY–K03/2006; DY–K06/2006; DY–K07/2006 Aktualizácia letovej príručky pre lietadlá registrované v Portugalsku. Update of the Pilot’s Operating Handbook (POH) for aircraft registered in Portugal. Ihneď. Immediately. 18.09.2024 ZBWT9 28A/2023 Rev. 2 Všetky lietadlá okrem typu Dynamic WT9-UK. All aircraft except for type Dynamic WT9-UK. Zvýšenie maximálnej vzletovej hmotnosti (MTOW) na 600 kg. Increase of maximum takeoff weight (MTOW) to 600 kg. Voliteľný. Optional. Zoznam technických bulletinov WT-9 Dynamic List/Listov: 10 / 11 List of Service Bulletins WT-9 Dynamic Page/Pages: Update 12.12.2025 Typový certifikát č.: Typ: Model: Výr. č.: Pozn. značka: Type Certificate No.: Type: Model: S/N: Registation: Vydaný dňa, číslo: Date of issue, No.: Týka sa: Affected: Predmet: Subject: Termín: Compliance: Vykonaný: Carried out: 09.02.2024 ZBWT9 29A/2024 Všetky lietadlá vybavené záchranným systémom. All aircraft equipped with emergency parachute system. Kontrola krytu záchranného systému. Inspection of the emergency parachute cover. Pred ďalším letom. Before next flight. 03.05.2024 ZBWT9 30A/2024 Všetky lietadlá s nainštalovaným motorom Rotax 912iS. All aircraft with installed engine Rotax 912iS. Inštalácia podávacieho palivového čerpadla. Installation of forward fuel pump. Voliteľný. Optional. 09.09.2025 ZBWT9 31A/2024 Rev. 3 Všetky lietadlá do výrobného čísla DY-654/2018 vrátane bez hliníkových odtrhových líšt. All aircraft up to S/N DY-654/2018 inclusive without aluminium stall strips. Inštalácia bezpečnostného vybavenia – odtrhové lišty. Installation of safety equipment – stall strips. Vysoko odporúčaný. Highly recommended. 30.09.2024 SBWT9-676-2024 DY-676 Modification of the aircraft Type from WT 9 to aircraft Type WT 9 600 with MTOW 600 kg. Optional 06.02.2025 SBWT9-512-2025 DY-512/2014 Modification of the aircraft Type from WT 9 to aircraft Type WT 9 600 with MTOW 600 kg. Optional 28.02.2025 SBWT9-503-2025 DY-503/2014 Modification of the aircraft Type from WT 9 to aircraft Type WT 9 600 with MTOW 600 kg. Optional 04.03.2025 SBWT9-656-2025 DY-656/2018 Modification of the aircraft Type from WT 9 to aircraft Type WT 9 600 with MTOW 600 kg. Optional 18.03.2025 SBWT9-592-2025 DY-592/2016 Modification of the aircraft Type from WT 9 to aircraft Type WT 9 600 with MTOW 600 kg. Optional Zoznam technických bulletinov WT-9 Dynamic List/Listov: 11 / 11 List of Service Bulletins WT-9 Dynamic Page/Pages: Update 12.12.2025 Typový certifikát č.: Typ: Model: Výr. č.: Pozn. značka: Type Certificate No.: Type: Model: S/N: Registation: Vydaný dňa, číslo: Date of issue, No.: Týka sa: Affected: Predmet: Subject: Termín: Compliance: Vykonaný: Carried out: 20.08.2025 SBWT9-583-2025 DY-583/2016 Modification of the aircraft Type from WT-9 Dynamic to aircraft Type WT 9 600 RG with MTOW 600 kg. Optional 22.09.2025 SBWT9-511-2025 DY-511/2014 Modification of the aircraft Type from WT9 Dynamic to aircraft Type WT 9 600 FG with MTOW 600 kg. Optional Prievidza, 22.09.2025 Miesto, dátum Place, date