Recommends FAA Require Checks Into MRA Internal Leakage
The National
Transportation Safety Board (NTSB) has issued two recommendations
that the FAA immediately require Sikorsky S-76 operators conduct
immediate checks into leakage in the internal assemblies of the
helicopters' main rotor actuators.
The NTSB's specific recommendations are as follows:
(Urgent A-05-33)
Conduct an immediate internal leakage test of all main rotor
actuators with more than 500 hours since new and/or overhaul;
Conduct subsequent recurring tests at a period not to exceed
500 hours;
Report the test results to the Federal Aviation Administration
and/or Sikorsky; and
Correct any problems as necessary.
(Urgent A-05-35)
The NTSB recommends the FAA require Sikorsky S-76 helicopter
operators to:
Conduct immediate visual and laboratory examinations of
hydraulic fluid and filter elements in hydraulic systems with
actuators with more than 500 hours since new and/or overhaul for
plasma flakes or other contamination that exceeds the
manufacturers' allowable limits of concentration and size;
Conduct subsequent recurring tests at a period not to exceed
500 hours;
Report findings of contamination and flakes to the Federal
Aviation Administration and/or Sikorsky and
Correct any problems as necessary.
The NTSB also recommends the FAA direct the principal operations
inspectors of all Sikorsky S-76 helicopter operators to reemphasize
the importance of, and requirement for, a preflight check of
control movement smoothness and flight control 'stick-jump' at
every engine start.
Hold Procedure A predetermined maneuver which keeps aircraft within a specified airspace while awaiting further clearance from air traffic control. Also used during ground operatio>[...]
Altitude Readout An aircraft’s altitude, transmitted via the Mode C transponder feature, that is visually displayed in 100-foot increments on a radar scope having readout cap>[...]
Aero Linx: European Hang Gliding and Paragliding Union (EHPU) The general aim of the EHPU is to promote and protect hang gliding and paragliding in Europe. In order to achieve this>[...]
Also: Skydio Chief, Uncle Sam Sues, Dash 7 magniX, OR UAS Accelerator US Secretary of the Air Force Frank Kendall was given a turn around the patch in the 'X-62A Variable In-flight>[...]
"The need for innovation at speed and scale is greater than ever. The X-62A VISTA is a crucial platform in our efforts to develop, test and integrate AI, as well as to establish AI>[...]