What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
3/10/2011LIHUE, HI : N307RB, Robinson R22, due to a throttle linkage problem, made an emergency landing in a vacant field 7 miles west Lihue airport at 101445PST. 3-15-11AIRCRAFT is operated by mauna loa helicopter dba Hawaii pacific flight academy. Hnl FSDO inspector lej contacted privacy data omitted; he is the mechanic who is contracted to do all the maintenance for mauna loa. privacy data omitted Is a very experienced Robinson mechanic and pilot and has attended both the maintenance and pilot courses at the Robinson factory. The following is a description of the incident from an interview and a statement by privacy data omitted:a student and an instructor were performing a maximum performance take off when they experienced a stuck throttle at the end of the maneuver. As the collective was lowered the throttle stayed at the previous setting estimated to be approximately 75 %. This power setting with the decreased blade pitch angle allowed both the engine and rotor system to overspeed beyond the 110 percent maximum markings on the tachometer. The flight instructor immediately assumed control of the aircraft and made a precautionary landing at the nearest suitable location.
As the FAA filed it
3/10/2011LIHUE, HI : N307RB, ROBINSON R22, DUE TO A THROTTLE LINKAGE PROBLEM, MADE AN EMERGENCY LANDING IN A VACANT FIELD 7 MILES WEST LIHUE AIRPORT AT 101445PST. 3-15-11AIRCRAFT IS OPERATED BY MAUNA LOA HELICOPTER DBA HAWAII PACIFIC FLIGHT ACADEMY. HNL FSDO INSPECTOR LEJ CONTACTED ^PRIVACY DATA OMITTED^; HE IS THE MECHANIC WHO IS CONTRACTED TO DO ALL THE MAINTENANCE FOR MAUNA LOA. ^PRIVACY DATA OMITTED^ IS A VERY EXPERIENCED ROBINSON MECHANIC AND PILOT AND HAS ATTENDED BOTH THE MAINTENANCE AND PILOT COURSES AT THE ROBINSON FACTORY.THE FOLLOWING IS A DESCRIPTION OF THE INCIDENT FROM AN INTERVIEW AND A STATEMENT BY ^PRIVACY DATA OMITTED^:A STUDENT AND AN INSTRUCTOR WERE PERFORMING A MAXIMUM PERFORMANCE TAKE OFF WHEN THEY EXPERIENCED A STUCK THROTTLE AT THE END OF THE MANEUVER. AS THE COLLECTIVE WAS LOWERED THE THROTTLE STAYED AT THE PREVIOUS SETTING ESTIMATED TO BE APPROXIMATELY 75 %. THIS POWER SETTING WITH THE DECREASED BLADE PITCH ANGLE ALLOWED BOTH THE ENGINE AND ROTOR SYSTEM TO OVERSPEED BEYOND THE 110 PERCENT MAXIMUM MARKINGS ON THE TACHOMETER. THE FLIGHT INSTRUCTOR IMMEDIATELY ASSUMED CONTROL OF THE AIRCRAFT AND MADE A PRECAUTIONARY LANDING AT THE NEAREST SUITABLE LOCATION.