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Accidents · NTSB MIA92LA082 · Final report

Amateur-built ROTORWAY EXEC accident near Lakeland, Florida, February 9, 1992

On February 9, 1992 at about 8:55 pm local time, a amateur-built ROTORWAY EXEC (helicopter), registered N618VN, was substantially damaged in an accident near Lakeland, Florida (Lakeland Regional airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

THE PILOT-IN-COMMAND'S IMPROPER APPLICATION OF CYCLIC AND COLLECTIVE PITCH CONTROL DURING AN AUTOROTATIVE LANDING. THIS RESULTED IN A HARD LANDING, COLLISION OF THE MAIN ROTOR BLADES WITH THE TAILBOOM, AND SUBSEQUENT ROLL OVER OF THE HELICOPTER. CONTRIBUTING TO THE ACCIDENT WAS A PARTIAL LOSS OF ENGINE POWER CAUSED BY A TOTAL FAILURE OF THE ENGINE ASSEMBY EXHAUST VALVE.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
February 9, 1992 · about 8:55 pm local time
Place
Lakeland, Florida · Lakeland Regional · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Amateur-built ROTORWAY EXEC ROTORWAY E
Registration
N618VN · no longer on the register · serial 3480
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

THE PRIVATE PILOT WAS ON FINAL APPROACH FOR LANDING IN VFR CONDITIONS WHEN THE ENGINE SUSTAINED A PARTIAL LOSS OF ENGINE POWER. THE PILOT ENTERED AUTOROTATION. AT 30-40 FEET AGL A DECELERATION WAS INITIATED AND COLLECTIVE PITCH WAS APPLIED AT 3-7 FEET AGL. THE HELICOPTER TOUCHED DOWN HARD WITH FORWARD MOVEMENT AND THE MAIN ROTOR BLADES COLLIDED WITH THE TAILBOOM. THE HELICOPTER SKIDDED FORWARD AND THE TIP OF THE LEFT SKID BECAME IMBEDDED IN A MOUND OF DIRT. THE HELICOPTER ROLLED OVER ON ITS LEFT SIDE SUSTAINING SUBSTANTIAL DAMAGE. THE PRIVATE PILOT WAS NOT INJURED. EXAMINATION OF THE AIRFRAME BY THE FAA AND THE LOCAL POLICE DEPARTMENT REVEALED THE LEFT SKID SEPARATED FROM THE FUSELAGE AT THE WELD JOINT ON THE SKID SUPPORT STRUT. EXAMINATION OF THE ENGINE BY A FIELD REPRESENTATIVE FOR ROTORWAY INTERNATIONAL FOR THE REGISTERED OWNER REVEALED AN EXHAUST VALVE ON THE NUMBER 2 CYLINDER HAD FAILED.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

Pilot

  • Certificate: private
  • Ratings: multi-engine land; single-engine land; single-engine sea; instrument: airplane; rotorcraft: glider; rotorcraft: helicopter
  • Flight time: 1,074 hours in all; 34 in this make and model; 18 in the last 90 days; 8 in the last 30 days; 400 as pilot in command
  • Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 255 hours
  • Last inspection: continuous airworthiness programme, January 9, 1992; 3 hours since
  • Maximum gross weight: 1,300 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Rotorway RW152 (piston); 0 hours total

The flight

  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 040° at 5 knots
  • Visibility: 20 statute miles
  • Sky: overcast at 15,000 ft; not recorded
  • Temperature: 64°F (18°C), dew point 28°F (-2°C)
  • Altimeter: 30.00 inHg
  • Observation at 8:44 pm from PIE, 38 miles away

Injuries

FatalSeriousMinorNone
Crew1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.