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Accidents · NTSB ERA09LA284 · Final report

Robinson Helicopter R22 BETA accident near Winter Haven, Florida, May 7, 2009

On May 7, 2009 at about 12:00 pm local time, a Robinson Helicopter R22 BETA, registered N456SH, was substantially damaged in an accident during approach (VFR pattern downwind) near Winter Haven, Florida (Winter Haven'S Gilbert 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

A loss of engine power for undetermined reasons.

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

What the record shows

Date
May 7, 2009 · about 12:00 pm local time
Place
Winter Haven, Florida · Winter Haven'S Gilbert Airport · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Robinson Helicopter R22 BETA · all R22 BETAs on the register
Registration
N456SH · registry record · serial 4027
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

The pilot stated that during the downwind leg for a practice autorotative landing while flying at 600 to 625 feet mean sea level with the governor on, he applied carburetor heat and five seconds later he perceived by sound that the engine lost power. He turned onto base leg, and attempted to restart the engine but allowed the main rotor rpm to decrease to 87 percent. He stopped his restart attempts and initiated descent for an autorotative landing. He maintained 65 knots during the descent and when the flight was at 40 feet with obstacles ahead (mobile homes), he intentionally slowed the helicopter. At 20 feet above ground level he pulled collective which activated the main rotor rpm warning and resulted in a hard landing. Postaccident examination of the helicopter revealed the throttle, mixture, and carburetor heat control rigging were correct. No contaminants of the fuel system were noted. Following recovery of the helicopter with the main rotor blades removed, an FAA inspector observed the engine start and operate to idle rpm. The conditions (temperature and dew point) were favorable for serious carburetor icing at only glide power.

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

What happened, in order

  1. Loss of engine power (total) during approach (VFR pattern downwind) defining event
  2. Off-field or emergency landing during emergency descent
  3. Hard landing during landing (flare/touchdown)

The NTSB's findings

  • cause Not determined › Not determined › (general) › (general) › Unknown/Not determined

Pilot

  • Certificate: private
  • Ratings: rotorcraft: helicopter
  • Flight time: 257 hours in all; 141 in this make and model; 14 in the last 90 days; 7 in the last 30 days; 191 as pilot in command
  • Last flight review: August 11, 2007
  • Medical certificate: Class 2 (without waivers/limitations)
  • Seat: rgt
  • Injury: no injuries

The aircraft

  • Airframe total time: 2,480 hours
  • Last inspection: 100-hour inspection, April 2, 2009
  • Maximum gross weight: 1,235 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Lycoming O-360-J2A (piston); 0 hours total

The flight

  • Departed from: GIF Winter Haven FL at 11:45 am
  • Destination: GIF Winter Haven FL
  • Flight plan: none

Weather at the time

  • Light: daylight
  • Wind: from 180° at 5 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 75°F (24°C), dew point 66°F (19°C)
  • Altimeter: 30.06 inHg
  • Observation at 11:53 am from GIF

Injuries

FatalSeriousMinorNone
Flight 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.