Additional Participating Entities:
Federal Aviation Administration / Flight Standards District Office; Honolulu, Hawaii
Robinson Helicopter Company; Torrance, California
Lycoming Engines; Williamsport, Pennsylvania
Aviation Accident Factual Report - National Transportation Safety Board: https://app.ntsb.gov/pdf
Investigation Docket - National Transportation Safety Board: https://dms.ntsb.gov/pubdms
http://registry.faa.gov/N820DF
Location: Molokai, HI
Accident Number: WPR18LA010
Date & Time: 10/16/2017, 1918 HST
Registration: N820DF
Aircraft: ROBINSON HELICOPTER R44
Aircraft Damage: Destroyed
Defining Event: Loss of control in flight
Injuries: 2 Fatal
Flight Conducted Under: Part 91: General Aviation - Instructional
On October 16, 2017, about 1918 Hawaii-Aleutian standard time, a Robinson Helicopter R44, N820DF, impacted the Pacific Ocean near Molokai, Hawaii. The flight instructor and commercial pilot receiving instruction are missing and presumed to be fatally injured. The helicopter was registered to Stasys Aviation Leasing LLC and was being operated by Hawaii Pacific Aviation, doing business as Mauna Loa Helicopters, as a Title 14 Code of Federal Regulations Part 91 instructional flight. Instrument and visual meteorological conditions existed in the area around the time of the accident, and an instrument flight rules (IFR) flight plan was filed for the flight, which originated from Daniel K. Inouye International Airport (PHNL), Honolulu, Hawaii, at an undetermined time.
Information provided by the Federal Aviation Administration (FAA) indicated that air traffic control (ATC) cleared the flight for a practice RNAV (GPS)-B instrument approach to the Molokai Airport (PHMK), at which time the pilots requested a pop-up IFR clearance to PHNL. The controller instructed the pilots to depart via the published missed approach to 4,000 ft, and expect clearance on departure, which the pilots acknowledged. The controller subsequently terminated radar service, approved a frequency change, and informed the flight to return to that frequency after conducting the missed approach.
The flight executed the missed approach as instructed and reestablished radio contact with ATC about 1 mile north of PHMK as it was climbing through 1,700 ft. The controller radar-identified the helicopter and subsequently issued a clearance to PHNL with instructions to fly a heading of 260° and climb to 4,000 ft. About 4 minutes later, the controller issued a heading change to 240° to intercept the Victor 8 airway; the pilots acknowledged. About 2 minutes later, the controller advised the flight that radar contact with the helicopter was lost. No further radio transmissions were received from the pilots.
Radar data showed that the flight's radar track started about 1.3 nautical miles (nm) northeast of PHMK and remained on a north-northeasterly heading while climbing from 1,700 ft to 3,500 ft msl for about 3 minutes. The helicopter then entered a left turn to a westerly heading while continuing a climb to 4,000 ft msl. The track continued on a westerly heading for about 2 more minutes before it began a right turn to an east-southeasterly heading. About 35 seconds later, the helicopter entered a left turn to a northwesterly heading and began descending from 4,000 ft msl to 3,700 ft msl over about 35 seconds. Shortly thereafter, the track continued in a left turn to a southeasterly heading for about 19 seconds while climbing to 3,900 ft. The helicopter then turned to a westerly heading and had descended to about 2,700 ft when radar contact was lost about 6 miles northwest of PHMK.
A representative from the United States Coast Guard reported that, after the helicopter was reported missing, an air unit located debris and a red chemlight floating in the ocean northwest of Molokai. The following day, an air unit from the Maui Fire Department located an uninflated life jacket along the northwest shoreline of Molokai. The search for the helicopter was suspended on the evening of October 19, 2017. Reported water depths in the vicinity of the last radar target varied between 348 ft and 1,812 ft.
PERSONNEL INFORMATION
Flight Instructor
The flight instructor, age 24, held a commercial pilot certificate with rotorcraft-helicopter and instrument helicopter ratings. In addition, he held a flight instructor certificate with rotorcraft-helicopter and instrument-helicopter ratings. The flight instructor was issued a second-class FAA medical certificate on January 5, 2017, with the limitation, "must wear corrective lenses." On the application for that medical certificate, the flight instructor reported a total flight experience of 630 hours, of which 300 hours were in the previous 6 months.
Pilot Receiving Instruction
The pilot receiving instruction, age 27, held a commercial pilot certificate with a rotorcraft-helicopter rating. He held a second-class FAA airman medical certificate that was issued on June 2, 2017, with the limitation, "must wear corrective lenses." On the application for that medical certificate, the pilot reported a total flight experience of 139 hours.
Review of the pilot's flight training records revealed that, as of the most recent entry, dated October 12, 2017, he had accumulated a total of 186.9 hours of flight experience, of which 18.5 hours were in the previous 30 days.
AIRCRAFT INFORMATION
The accident helicopter was a Robinson R44 II, four-place, two-bladed, single main rotor, single-engine helicopter with skid-type landing gear. The primary structure was welded steel tubing and riveted aluminum. The tailboom was a semi-monocoque structure consisting of an aluminum skin. The helicopter was equipped with a Lycoming IO-540-F1B5 engine, rated at 260 horsepower; however, according to the helicopter's type certificate, the de-rated engine had a 5-minute takeoff rating of 245 horsepower and a maximum continuous rating of 205 horsepower. The helicopter was certified for day and night visual flight rules operations only.
Review of the airframe and engine logbooks revealed that the most recent annual inspection was completed on September 28, 2017, at an airframe total time of 4,209 hours and an engine total time since major overhaul of 2,009.2 hours.
METEOROLOGICAL INFORMATION
At 1854, the recorded weather conditions at PHMK, located 6.3 miles southeast of the last radar target, included wind from 030° at 8 knots gusting to 21 knots, 10 statute miles visibility, light rain, few clouds at 3,300 ft above ground level (agl), a broken cloud ceiling at 6,000 ft agl, a broken cloud layer at 7,000 ft agl, temperature 24°C, dew point 20°C, and an altimeter setting of 30.04 inches of mercury.
The closest National Weather Service (NWS) Weather Surveillance Radar-1988, Doppler (WSR-88D) to the accident site was the Molokai, Hawaii, radar (PHMO), which was located 6 nm south-southwest of the accident site at an elevation of 1,363 ft. The WSR-88D captured base reflectivity imagery at 1917 and 1918 (shown in figures 1 and 2, respectively; the black line shows the helicopter's flight path). The imagery depicts moderate-to-heavy values of reflectivity within the vicinity of the last radar target. Rain showers and convective clouds produce outflow boundaries and gust fronts throughout their life cycle. An outflow boundary or gust front can create an environment favorable for unexpected changes in wind direction and speed. There were no lightning strikes in the vicinity of the last radar target around the time of the accident.
Figure 1: WSR-88D base reflectivity imagery at 1917
Figure 2: WSR-88D base reflectivity imagery at 1918.The NWS office in Honolulu, Hawaii, issued an Area Forecast Discussion (AFD) at 1600, which was the closest AFD to the accident time. The aviation section of the AFD discussed that the trade winds would bring strong gusty northeast winds; AIRMET Tango was valid for temporary moderate turbulence. Scattered rain showers were forecast to continue through the day with reduced ceilings and visibility in the showers.
A search of official weather briefing sources revealed that neither pilot requested an official weather briefing from Leidos or DUATS; however, one of the pilots requested ForeFlight weather information at 1803. The weather information from ForeFlight contained the most recent METARs, AIRMETs, PIREPs, Area Forecast, TAFs, and Winds Aloft Forecast. It is unknown if either pilot checked any additional weather information before or during the accident flight.
For further meteorological information, see the weather study in the public docket for this investigation.
Student Pilot Information
Certificate: Commercial
Age: 27, Male
Airplane Rating(s): None
Seat Occupied: Unknown
Other Aircraft Rating(s): Helicopter
Restraint Used:
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s): Helicopter
Toxicology Performed: No
Medical Certification: Class 2 With Waivers/Limitations
Last FAA Medical Exam: 10/12/2017
Occupational Pilot: No
Last Flight Review or Equivalent:06/27/2017
Flight Time: 186.9 hours (Total, all aircraft), 18.5 hours (Last 30 days, all aircraft)
Flight Instructor Information
Certificate: Flight Instructor; Commercial
Age: 25, Male
Airplane Rating(s): None
Seat Occupied:Unknown
Other Aircraft Rating(s): Helicopter
Restraint Used:
Instrument Rating(s): Helicopter
Second Pilot Present: No
Instructor Rating(s): Instrument Helicopter
Toxicology Performed: No
Medical Certification: Class 2 With Waivers/Limitations
Last FAA Medical Exam: 01/05/2017
Occupational Pilot: Yes
Last Flight Review or Equivalent:
Flight Time: 630 hours (Total, all aircraft)
Aircraft and Owner/Operator Information
Aircraft Make: ROBINSON HELICOPTER
Registration: N820DF
Model/Series: R44 UNDESIGNATED
Aircraft Category: Helicopter
Year of Manufacture: 2002
Amateur Built:No
Airworthiness Certificate:Normal
Serial Number: 1164
Landing Gear Type: Skid;
Seats: 4
Date/Type of Last Inspection: 09/28/2017, 100 Hour
Certified Max Gross Wt.: 2500 lbs
Time Since Last Inspection:
Engines: 1 Reciprocating
Airframe Total Time: 4209.2 Hours as of last inspection
Engine Manufacturer: LYCOMING
ELT: Installed, not activated
Engine Model/Series: O-540-F1BF
Registered Owner: STASYS AVIATION LEASING LLC
Rated Power: 250 hp
Operator: Mauna Loa Helicopters
Operating Certificate(s) Held: Pilot School (141)
Meteorological Information and Flight Plan
Conditions at Accident Site: Instrument Conditions
Condition of Light: Night
Observation Facility, Elevation: PHMK, 443 ft msl
Distance from Accident Site: 5 Nautical Miles
Observation Time: 0554 UTC
Direction from Accident Site: 142°
Lowest Cloud Condition: Few / 3500 ft agl
Visibility: 10 Miles
Lowest Ceiling:
Visibility (RVR):
Wind Speed/Gusts: 13 knots / 24 knots
Turbulence Type Forecast/Actual:
Wind Direction: 40°
Turbulence Severity Forecast/Actual:
Altimeter Setting: 30.05 inches Hg
Temperature/Dew Point: 24°C / 19°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point:Honolulu, HI (PHNL)
Type of Flight Plan Filed: IFR
Destination: Honolulu, HI (PHNL)
Type of Clearance: IFR
Departure Time:
Type of Airspace: Class G
Wreckage and Impact Information
Crew Injuries: 2 Fatal
Aircraft Damage: Destroyed
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 2 Fatal
Latitude, Longitude: 21.222778, -157.153333 (est)
A private company hired by an individual to locate the helicopter reported that, in October 2018, they initially located the wreckage submerged about 2 miles offshore of Molokai at a depth of 298 ft. A representative from the company reported that they recovered a portion of the wreckage on January 24, 2019.
Review of video recordings from an underwater remotely-operated vehicle showed that the fuselage was severely fragmented and partially embedded within the ocean floor. Both main rotor blades remained attached to the hub, which remained attached to the drive shaft. Both main rotor blades appeared to be straight with visible damage to the tip of one blade. The main rotor pitch link on one blade remained attached to the blade and swashplate, the other was not visible. The main rotor drive shaft was bowed on the lower end. The tailboom was impact damaged and the tail rotor gearbox was separated. The tail rotor drive shaft remained inside the tailcone. The tail rotor drive shaft was disconnected about 10 inches aft of the intermediate flex coupling and appeared angular and jagged. The intermediate flex coupling was not bent or distorted. No visible damage to the grooves of the upper sheave were observed. The forward flex coupling was disconnected/fractured from the clutch shaft. The skid assemblies were separated. Portions of the fuel system, cyclic, and collective controls were not observed.
The recovered airframe components included the tail rotor gearbox, tail rotor blades, main rotor flight control jack shaft, tail rotor pedals including one removable pedal, several sections of interior panels, one section of aft left door frame (including a seatbelt), one forward seatbelt shoulder harness, all three main rotor flight control servos, hydraulic reservoir housing, several small sections of frame tubing, a small section of tail rotor flight control tubes, several small sections of main rotor gearbox housing, main rotor gearbox driveshaft bearing race, several instruments (one unidentified, compass housing, portion of the directional gyro), the warning light control box, a short section of fuel line with a portion of the fuel valve attached, a portion of the fuel cross-over fuel line, two landing light housings, a short section of a wire bundle, a section of the tail rotor guard, one V belt, and one life vest.
One forward hydraulic servo was separated from its mount. The other forward servo remained attached to the mount; however, the mount was separated from the airframe. The aft servo was separated from the airframe and was severely bent (in excess of 120°). None of the servos could be actuated by hand. The jackshaft was separated from its mount.
The tail rotor assembly was recovered separately from the airframe. The pilot's side right pedal was fractured at the bearing block. The pedal was recovered separately. The pilot's side left pedal pip/quick release pin was found displaced from the adjustable pedal assembly and exhibited no damage or bending. No damage was observed to the pedal pin holes.
The tail rotor gearbox was separated from the tailcone. The mounting flanges on the gearbox, along with a portion of bulkhead, were fractured and exhibited signatures consistent with overload. No additional damage was noted to the gearbox. The input and output shafts rotated more than 360° by hand with no anomalies noted. Blue oil was observed in the gearbox sight gauge. The chip detector revealed no evidence of any metallic chips. The output shaft was straight. The tail rotor pitch control would not move by hand. Both tail rotor blades were bent outward 90° near the blade root, with overload fractures in the area of the bends. One blade exhibited leading edge impact damage and the tip cap was missing. The aft flex coupling was disconnected at the flex plate ears. The remaining yoke ears on the input shaft were bent 45°. The mounting hardware remained secure.
The main rotor gearbox housing exhibited angular and jagged fracture surfaces. There was no evidence of any mechanical damage to the recovered inside areas of the main rotor gearbox housing.
The airframe tube sections exhibited overload signatures on all the fracture surfaces and were bent/distorted. The section of the aft rear doorframe exhibited severe wrinkling along with overload signatures on all fracture surfaces.
Portions of the airframe that remained attached to the engine included the horizontal firewall, small portions of the vertical firewall, portions of the upper frame tubes, portions of the main rotor gearbox housing, and small portions of interior components. Portions of the vertical firewall and lower airframe tubes were hydro-formed tightly around the aft portion of the engine (engine is installed rear facing forward). The forward portion of the upper frame was collapsed downward and aft. The aft portion of the upper frame had a dent in the center crosstube adjacent to the clutch with no rotational scoring observed. The horizontal firewall was dented and distorted throughout. Puncture marks were observed adjacent to the forward flex plate with no apparent rotational signatures. The oil cooler and cooling panels did not exhibit any signatures of contact with the starter ring gear.
Examination of the recovered engine revealed that the right magneto was separated and the alternator, entire bottom plenum, carburetor, induction pipes (partially displaced), and exhaust system were separated. The engine remained attached to the engine mount structure along with portions of the upper frame and horizontal firewall. All six cylinders remained attached. The cooling fan and lower sheave remained attached to the engine crankshaft. The upper spark plugs were removed. The crankshaft would not rotate freely.
Internal examination of each cylinder using a lighted borescope revealed varying degrees of corrosion, ocean byproducts, and sea life inside. No evidence of any foreign object ingestion was observed within the cylinder combustion chamber. The rocker box covers were removed and the rocker arm areas were cleaned using compressed air. All intake and exhaust rocker arms remained in place on each cylinder. All of the intake and exhaust pushrods were intact and impact damaged. The intake and exhaust valve springs were intact on each cylinder. The No. 2 cylinder hold-down nuts were removed. Despite numerous attempts utilizing various hand tools, the cylinder could not be removed.
Holes were drilled in various locations along the top part of the engine crankcase in line with the internal rotational plane of each connecting rod/cylinder. The crankcase was examined internally using a lighted borescope. The crankshaft, camshaft, and connecting rods were observed intact and undamaged. A significant amount of corrosion, ocean byproducts, and sea life was observed within the crankcase. No evidence of any mechanical damage or heat distress was observed throughout the internal area of the engine.
The accessory case was removed and examined. The internal areas of the accessory case exhibited varying degrees of corrosion, ocean byproducts, and sea life. The crankshaft gear, dowel pin and bolt were intact and secure. The accessory gears were intact and exhibited a significant amount of corrosion.
For further information, see the Video, Airframe, and Engine Examination Summary report within the public docket.
NTSB Identification: WPR18LA010
14 CFR Part 91: General Aviation
Accident occurred Monday, October 16, 2017 in Molokai, HI
Aircraft: ROBINSON HELICOPTER R44, registration: N820DF
Injuries: 2 Fatal.
This is preliminary information, subject to change, and may contain errors. Any errors in this report will be corrected when the final report has been completed. NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
On October 16, 2017, about 1918 Hawaiian standard time, a Robinson Helicopter R44, N820DF, impacted the waters off the island of Molokai, Hawaii. The flight instructor and commercial pilot receiving instruction are missing and presumed to be fatally injured. Debris from the helicopter was observed floating on the water northwest of the shores of Molokai. The helicopter was registered to Stasys Aviation Leasing LLC., and operated by Hawaii Pacific Aviation doing business as Mauna Loa Helicopters under the provisions of 14 Code of Federal Regulations Part 91 as an instructional flight. Visual meteorological conditions existed in the area at the time of the accident, and the flight was operated on an instrument flight rules flight plan. The flight originated from the Daniel K. Inouye International Airport (PHNL) at an undetermined time.
Preliminary information provided by the Federal Aviation Administration indicated that Air Traffic Control cleared the flight for a practice RNAV (GPS)-B instrument approach to the Molokai Airport and provided instructions for the missed approach procedure which included instructions to climb to 4,000 feet and maintain a heading of 040 degrees. Following completion of the instrument approach and subsequent execution of the missed approach, the flight reestablished radio contact with Air Traffic Control. The controller informed the flight that radar contact was identified and subsequently issued a clearance to PHNL with instructions to fly a heading of 260 degrees and ascend to an altitude of 4,000 feet. Shortly after, the controller issued a heading change to 240 degrees to intercept the Victor 8 airway, of which the flight verified. Shortly after, the controller noticed the flight had descended to 3,600 feet before radar and radio communication with the accident helicopter was lost.
A representative from the United States Coast Guard reported that after the helicopter was reported missing, an air unit located debris and a red chemlight floating in the ocean water northwest of Molokai. The following day, another air unit from Maui Fire Department located an uninflated life jacket along the northwestern shoreline of Molokai. The search for the helicopter was suspended on the evening of October 19, 2017.
Jeremy Dossetter
Jeremy Dossetter, age 27, beloved son and brother, died tragically on October 16, 2017 in a helicopter crash off the coast of Molokai, Hawaii. Hundreds of brave men and women of the U.S. Navy, Coast Guard, and Fire Department searched for days for the downed and missing helicopter with Jeremy and his flight instructor, but, sadly, after extreme efforts, the search was called off October 19.
Jeremy was a cherished friend to many, and a source of strength and pure happiness to his mother, Susan, father, David, and siblings Benjamin, Asher, Clara and Violetta. He had a passion for the earth, the ocean, for flying and life. He had many plans to clean and heal the world through his flying, and was literally one check ride away from being able to start to pursue that passion.
Jeremy had a smile that radiated throughout, and that was contagious. He will be excruciatingly missed by all who knew him, and it is safe to say the world will be sorely lacking this gentle, giving and passionate soul.
A memorial service for Jeremy will be held Sunday, October 29 at 3:00 pm at Congregation Emanu-El, 2 Lake Street, San Francisco.
All who knew and loved Jeremy and his family are encouraged to attend.
In lieu of flowers, food or gifts, donations may be made to a fund the family has established in Jeremy's honor, The Jeremy Dossetter Living Ocean Fund.
For details, please email jdossetterlivingocean@gmail.com.
The crash of the Robinson R44 helicopter occurred at 7:18 p.m. with Jeremy Dossetter, 27, and Oliver Kirsch, 25, aboard, the NTSB and news reports said. They are missing and presumed dead, the preliminary report said.
The men departed the Honolulu airport for Molokai Airport on an instructional flight rules flight plan, the report said. The departure time was not determined.
Air traffic control at the Honolulu airport cleared the flight for a practice “missed approach procedure” on instruments to Molokai Airport, the report said. Air traffic controllers instructed the pilots to climb to 4,000 feet.
After completing the altitude adjustment and practice procedure, the pilots radioed air traffic controllers, the report said. Air traffic controllers cleared the helicopter to return to the Honolulu airport with instructions to fly a heading of 260 degrees at an altitude of 4,000 feet.
Air traffic controllers then issued a heading change to 240 degrees to align with a runway for landing, which the pilots confirmed, the report said. Shortly after that, air traffic controllers noticed the flight had descended to 3,600 feet before radar and radio communications with the helicopter were lost.
A U.S. Coast Guard air unit located debris from the helicopter and red chemlight floating on the water northwest of Molokai that night. An uninflated life jacket was found the following day along the northwestern shoreline by the Maui Fire Department.
A Molokai fisherman at Moomomi Bay told The Maui News that he saw a red blinking light plummet from the sky northwest of the island on the evening of Oct. 16.
The helicopter was registered to Stasys Aviation Leasing LLC and operated by Hawaii Pacific Aviation doing business as Mauna Loa Helicopters.
The report said visibility was 10 miles with few clouds and winds from the northeast 15 to 27 mph.
Kirsch was listed as a certified flight instructor on Mauna Loa Helicopters’ website. He grew up in the Swiss Alps and began his flying career by paragliding, according to the website.
The NTSB preliminary report identified Dossetter as a commercial pilot. An obituary notice published in the San Francisco Chronicle described him as a “cherished friend to many, and a source of strength and pure happiness to his” mother, father and siblings.
“He had a passion for the earth, the ocean, for flying and life,” the notice said. “He had many plans to clean and heal the world through his flying and was literally one check ride away from being able to start to pursue that passion.”
MOLOKAI (HawaiiNewsNow) - Rescue crews continued their search Tuesday for a downed chopper near Molokai by air and sea, but the whereabouts of the two on board remain unknown.
Multiple agencies are working together to conduct search efforts.
Tuesday morning, the Maui Fire Department's Air 1 recovered an uninflated life vest floating on the water's surface about 100 yards from shore and a mile east of Ilio Point, officials said.
The vest was eventually turned over to the Coast Guard for proper identification, and no other debris has been found.
Maui fire officials also said a man fishing Monday night at Moomomi Beach witnessed the aircraft go down. He described what he saw as "a red beacon of an aircraft" that descended rapidly to the ocean and then it disappeared in the direction of Molokai's Ilio point.
The chopper, which was on its way back to Honolulu with a flight student and instructor on board, was from Mauna Loa Helicopters. The company is also assisting in the search.
"Our thoughts and prayers are for the people involved and their families," said company President Benjamin Fouts. "You try to prepare in the training and do the best you can in the situation you're given."
Officials said debris and chemlights were located about one and half miles from shore, but it's unclear if the items were from missing helicopter.
Coast Guard officials were notified of the suspected downed helicopter at 7:26 p.m. Monday, when it vanished from radar.
Fouts said the two men left Honolulu about 6 p.m. Monday for a training flight to Molokai, and were supposed to return by 8 or 8:30 p.m.
There was no mayday call, according to Mauna Loa Helicopters.
"It's just so sad, but bad weather and nighttime, that's often a formula, a recipe for tragedies," said John Corboy, a Molokai pilot who owns a Robinson R-44. "I understand there was a lull maybe at 6 o'clock when they took off, but pretty soon it was gusting back up," he said.
Fouts said the flight school's standard policy is not to allow students to fly in winds above 25 knots, which is roughly 29 miles per hour.
The Coast Guard said that crews searching for the helicopter on Monday night dealt with 30 mph winds and 12 to 15-foot seas.
On Tuesday, rescue crews were working in less than ideal conditions, with 25 mph winds and 15-foot seas.
Company officials said the student on board the flight moved to Hawaii from California about a year ago, and is close to completing the school's Professional Pilot Program which is designed to help students earn five ratings and certificates.
His teacher, officials said, is one of the most experienced at the company and has been working for Mauna Loa Helicopters for at least two years.
Amanda Levasseur, Coast Guard Petty Officer 3rd class, said the helicopter is a Robinson R-44, a four-seat light helicopter.
Company officials says the R-44 is a good aircraft for training, but aviation attorney and pilot Rick Fried disagrees.
"These Robinsons are a very tricky helicopter," said Fried. "You need to be very experienced. Hughes, Bells, others, similar to that, are far easier."
Its tail number was confirmed as N820DF and, according to FAA records, it was manufactured in 2002.
In 2013, the same chopper was involved in a "precautionary landing" at Magic Island. It had a crack on the left door window, and no injuries were reported.
A Coast Guard airplane, helicopter and vessels are participating in the search along with a Navy helicopter and a Maui Fire Department chopper and ground crews.
The chopper search comes last than a year after a well-known attorney Gary Galiher and Honolulu realtor Keiko Kuroki were killed in a helicopter crash on Molokai. Weather is believed to be a factor in the crash.
In 2011, five people were killed when a tour helicopter crashed into a hillside on the east end of Molokai. Two newlyweds from Pennsylvania, a Canadian couple and the pilot were killed. Authorities said pilot error is to blame for the crash.
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