NTSB investigations · 2
Matched to this aircraft by N500ZZ and the event date: up to this one’s cancellation.
NTSB CHI95FA242Accident · No injuriesField investigationFinal reportOshkosh, WIthe inadequate design of the helicopter skid shoes. Factors related to the accident were: false indications of rotor rpm and EGT which led to seizure of the piston.NTSB CHI92DCG04Accident · No injuriesFinal reportMissouri City, MOAn improper connecting rod assembly resulting in mechanical binding between the rod and the engine crankshaft.
FAA incident reports · 3
FAA accident and incident reports matched to this aircraft by N500ZZ and the event date: up to this one’s cancellation.
Incident 19960627021729IHovering · Excelsior Sprin, MO1. On 06/27/96 at 1430Z time, a vibration spectrum analysis was being conducted on an experimental mini-500 helicopter aircraft (N500ZZ) located in a vacant lot in front of the building of the manufacture (revolution helicopter corporation, inc., in Excelsior…Accident 19950727036199APwr Off Vert Land/Autorotate · Oshkosh, WIHomebuilt helicopter. Lost power on demo flight. Autorotated. Skid caught crop folded skids. Carb too lean. Seized. (-23) on July 27, 1995, approximately 0930, a mini 500, made an emergency lanidng at an open field after the Rotax engine stopped running.…Accident 19920625024549AFcd/Prec Ldg From Cruise · Missouri City, MOEngine over heated due improper crankshaft connecting rod bearing bore. Engine returned to builder. Research test.
Service difficulty reports · 1
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.