N497SU is a 2006 Robinson Helicopter R44 II. It is a rotorcraft with 4 seats, powered by a Lycoming IO-540-AE1A5 rated at 260 horsepower. The registration is active, with the registrant based in Cedar City, UT. Its standard airworthiness certificate was issued in Sep 2006. It has been registered to its current owner since Mar 2020. This page also carries 1 NTSB event.
- 20 years old
2020
2006
That's everything on file so far — TailWiki checks the FAA registry daily and adds new entries as N497SU's record changes.
The helicopter flight instructor was performing straight-in autorotation with power recovery maneuvers with a student pilot. On the third autorotation, the flight instructor stated that the student started the maneuver at 700 ft above ground level (agl) with the main rotor rpm at 100%. During the glide, when the RPM decayed to 90% and the airspeed decreased to 60 knots, the instructor intervened, and he attempted to recover the lost RPM. About 100 ft agl, the instructor prepared for a roll-on landing. The helicopter subsequently landed hard, rolled over on it’s left side and sustained substantial damage when the main rotor blades severed the tailboom. The instructor reported that there were no preimpact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation.
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