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  1. rotormatic1

    Citing Valve Damage, UND Drops Unleaded Fuel And Returns To 100LL

    https://www.aopa.org/news-and-media/all-news/2023/november/03/aopa-demonstrates-use-of-100-octane-unleaded-fuel
  2. rotormatic1

    When is a Burn Cert Required?

    From FAA order 8900.. https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119948560420230104014257.0001
  3. rotormatic1

    Is the data plate the aircraft?

    Back in the 70’s & 80’s, folks would put together Bell 47’s from used and surplus parts. The person putting it together made their own data plate. That’s why there were more 47’s than Bell built.
  4. rotormatic1

    Ammeter not indicating

    Something failed between the shunt and the meter windings..
  5. rotormatic1

    Ugly plane good engine or good looking plane that needs overhaul?

    Lycoming is the only FAA-authorized manufacturer that can rebuild your Lycoming engine to an absolute zero-time status. We test every rebuilt engine part to new tolerances, so they meet the same requirements as a brand new Lycoming aircraft engine.
  6. rotormatic1

    One airframe with both single & twin-engine versions

    The Eurocopter AS350 Écureuil (or Squirrel), now Airbus Helicopters H125, is a single-engine light utility helicopteroriginally designed and manufactured in France by Aérospatiale and Eurocopter(now Airbus Helicopters). In North America, the AS350 is marketed as the AStar. The AS355 Ecureuil 2...
  7. rotormatic1

    Is a major overhaul (MOH) required for airworthiness (in part 91)?

    Elements of maintenance.. https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142647155020221207214834.0001
  8. rotormatic1

    Can IA ground plane for airworthiness outside of annual inspection?

    Sure, but someone mentioned the FAA grounding aircraft.. GA & Air carrier are done differently..
  9. rotormatic1

    Can IA ground plane for airworthiness outside of annual inspection?

    GA condition notice: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164288476420221212180942.0001 Ground air carrier: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID124958047520221212204557.0001
  10. rotormatic1

    Magnetic Compass

    The Cirrus TCDS allows the aircraft to operate without a wet compass.. The aircraft certification basis is amended to include the following regulation at the amendment level stated (Effective S/N 2238 and subsequent): (Note: The amended certification basis allows for the optional removal of the...
  11. rotormatic1

    Single Pilot Part 135

    For a single pilot operator, the 14 CFR’s rules are their GOM..
  12. rotormatic1

    Single Pilot Part 135

    And don’t forget the pending rule for a SMS program.. https://www.faa.gov/newsroom/notice-proposed-rulemaking-nprm-safety-management-systems
  13. rotormatic1

    how long to complete an annual inspection for C182

    Another reason experimental aircraft have condition inspection requirements is because the aircraft does not have a type design…
  14. rotormatic1

    O-360 Cylinder Pitting

    I read a lot of posts about Lyc. Engines and corrosion. In the mid 70’s I worked at a shop that overhauled Franklin and Lyc. Engines in southern CA. Had a flatbed trailer out back that had around 50 timed out VO-435’s. They were sealed up with no special preservation oil. When taken apart, no...
  15. rotormatic1

    Possible aircraft purchase with no data plates

    https://www.faa.gov/documentLibrary/media/Order/FAA_Order_8100.19.pdf
  16. rotormatic1

    Took off on one mag accidentally - did I hurt my engine?

    If there is no special inspection in the engine or airframe maintenance manual for flying on one mag (due to failure or pilot action), doesn’t seem to be a issue..
  17. rotormatic1

    GNS530 Non-WAAS IFR Certification for M20J

    The non WASS 530’s were only STC’ed for one aircraft before the widespread use of approved model lists. A field approval was used for other model aircraft for installation. Your FSDO can help.
  18. rotormatic1

    Problem with quasar/AeroLED install

    https://aeroleds.com/wp-content/uploads/2018/04/0017-0002_Sync-Circuit-Installation-Guide_Rev-C-.pdf
  19. rotormatic1

    FAA Paperwork Question

    FAA registry does not change registration information without an application for an airworthiness certificate. If you look at some experimental aircraft operating limitations, there is one limitation that requires the owner to submit a airworthiness certificate application to OKC when changing...
  20. rotormatic1

    Compression tests are BS - an example

    43 appendix D… (d) Each person performing an annual or 100-hour inspection shall inspect (where applicable) components of the engine and nacelle group as follows: 3) Internal engine—for cylinder compression and for metal particles or foreign matter on screens and sump drain plugs. If there is...
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