Article: Propeller problems ground 19 Marine Corps KC-130s, 38 Navy P-3s.

The Marine Corps grounded 19 of 51 KC-130F- and R-model transport and tanker aircraft and the Navy grounded 38 of its P-3 Orion patrol planes worldwide because of propeller problems, officials said.

Both of the four-engine planes are fitted with the same Hamilton Standard propeller. The Naval Air Systems Command--which oversees Navy and Marine air- craft--on Friday issued the grounding order for the planes.

The planes were grounded after investigators concluded that a March 12 inci- dent involving a Marine KC-130R in Australia was caused not by engine failure as initially believed, but because the plane's Hamilton Standard propeller or propeller mounting ...

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