The National Transportation Safety Board did not travel to the scene of this accident.
Additional Participating Entities:
Federal Aviation Administration / Flight Standards District Office; Teterboro, New Jersey
Continental Motors Inc; Mobile, Alabama
Aviation Accident Factual Report - National Transportation Safety Board: https://app.ntsb.gov/pdf
Investigation Docket - National Transportation Safety Board:https://dms.ntsb.gov/pubdms
https://registry.faa.gov/N5756W
Location: Paramus, NJ
Accident Number: ERA19LA062
Date & Time: 12/09/2018, 1215 EST
Registration: N5756W
Aircraft: Mooney M20K
Aircraft Damage: Substantial
Defining Event: Loss of engine power (total)
Injuries: 2 Minor, 2 None
Flight Conducted Under: Part 91: General Aviation - Personal
On December 9, 2018, about 1215 eastern standard time, a Mooney M20K, N5756W, was substantially damaged during a forced landing near Paramus, New Jersey. The private pilot and a passenger received minor injuries, and two other passengers were not injured. Visual meteorological conditions prevailed, and no flight plan was filed for the cross-country flight, which originated from Lincoln Park Airport (N07), Lincoln Park, New Jersey, about 1200. The personal flight was conducted under the provisions of Title 14 Code of Federal Regulations Part 91 and had an intended destination of Hudson Valley Regional Airport (POU), Poughkeepsie, New York.
According to the pilot, while in cruise flight, he noticed an increase in cylinder head temperature on two cylinders. He attempted to reduce the temperatures; however, he soon heard "an explosion," and noted a hole in the engine cowling. The pilot performed a forced landing to a golf course and during the landing roll, the airplane impacted a berm, became airborne again, and struck the ground resulting in the landing gear collapsing and substantial damage to the right wing.
According to Federal Aviation Administration records, the airplane was manufactured in 1984 and was registered to the pilot in November, 2017. It was equipped with a Continental Motors Inc. TSIO-360-LB1, 210-hp, engine. According to the airframe maintenance logbook, the most recent annual inspection was performed on August 15, 2018, at a total time of 2,401.3 hours. According to the engine logbook, the engine was overhauled on January 11, 2016, at a total time of 2,185 hours. At the time of the accident, the Hobbs meter indicated 2,440.8 hours.
The engine was examined at the manufacturer's facility under NTSB supervision. The examination revealed that the engine case was breached over the No. 2 cylinder. The oil sump was removed and metallic debris was noted. The oil filter was removed and disassembled, and metal was noted in the filter. The oil pump was examined and scoring was noted inside the pump housing. The crankcase was split and the No. 1 connecting rod was separated from the crankshaft, and the Nos. 1 and 2 connecting rods exhibited thermal discoloration. Further examination of the mating surfaces of the main bearing saddles had remnants of silk thread around the through-bolt holes (see figure 1).
Figure 1. View of No. 2 main bearing saddle and No. 2 main bearing. Note remnants of silk thread. The break-away torque was measured for the through-bolts on the engine. Eight out of the 12 through bolt torque values were below the manufacturer's recommended torque values as can be seen in the engine teardown report in the public docket associated with this case. The through bolts associated with the Nos. 2 and 3 main bearings and measured between 172 in-lbs and 395 in-lbs, which was below the manufacturer specification of 590-610 in-lbs of torque. The No. 2 main bearing saddles exhibited impingement damage and the No. 2 bearing was partially rotated clockwise, which blocked the oil passage to the connecting rod bearings.
The engine manufacturer published a Service Information Letter (SIL) titled "Sealants, Lubricants, and Adhesives Authorized by CMI" in 1999 (revised September 16, 2014). This guidance, which was applicable at the time of the accident engine's overhaul stated that the when reassembling the crankcase halves, maintenance personnel should "...apply and position P/N 641543 (a continuous, single piece of grade 'D' silk thread on the 2-4-6 case half as specified (see Figures 5 through 8…). Ensure the free ends of your thread are covered by gaskets (except the nose oil seal)." Figure 2 below is from the SIL, and shows that the #2 main bearing saddle was one of four "prohibited" areas where silk thread should not be placed.
Figure 2 – Areas where silk thread application is prohibited noted in red, which include the No. 2 main bearing saddle.The Continental Aircraft Engine Maintenance Manual, "Six Cylinder Engine Crankcase Threading," which was released in April 2016, just after the engine overhaul, stated, "Do not apply any form of sealant to the crankcase cylinder deck, chamfer, cylinder mounting flange, cylinder base O-ring, or cylinder fastener threads. The use of RTV, silicone, Gasket Maker or any other sealant on the areas listed above during engine assembly will cause a loss of cylinder deck stud or through-bolt torque. Subsequent loss of cylinder attachment load, loss of main bearing crush and/or fretting of the crankcase parting surfaces will occur. The result will be cylinder separation, main bearing movement, oil starvation and catastrophic engine failure."
Pilot Information
Certificate: Private
Age: 53, Male
Airplane Rating(s): Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used: 3-point
Instrument Rating(s): None
Second Pilot Present: No
Instructor Rating(s): None
Toxicology Performed: No
Medical Certification: Class 3 Without Waivers/Limitations
Last FAA Medical Exam: 10/23/2018
Occupational Pilot:No
Last Flight Review or Equivalent: 08/29/2018
Flight Time: 916 hours (Total, all aircraft), 114 hours (Total, this make and model), 916 hours (Pilot In Command, all aircraft), 18 hours (Last 90 days, all aircraft), 10 hours (Last 30 days, all aircraft)
Aircraft and Owner/Operator Information
Aircraft Make: Mooney
Registration: N5756W
Model/Series: M20K No Series
Aircraft Category: Airplane
Year of Manufacture:
Amateur Built: No
Airworthiness Certificate: Normal
Serial Number: 25-0822
Landing Gear Type: Tricycle
Seats: 4
Date/Type of Last Inspection: 08/15/2018, Annual
Certified Max Gross Wt.: 3131 lbs
Time Since Last Inspection: 40 Hours
Engines: 1 Reciprocating
Airframe Total Time: 2440.8 Hours at time of accident
Engine Manufacturer: Continental Motors Inc
ELT: C126 installed, activated, did not aid in locating accident
Engine Model/Series: TSIO-360-LB1
Registered Owner: On file
Rated Power: 210 hp
Operator: On file
Operating Certificate(s) Held: None
Meteorological Information and Flight Plan
Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: TEB, 7 ft msl
Distance from Accident Site: 6 Nautical Miles
Observation Time: 1151 EST
Direction from Accident Site: 167°
Lowest Cloud Condition: Clear
Visibility: 10 Miles
Lowest Ceiling: None
Visibility (RVR):
Wind Speed/Gusts: Light and Variable /
Turbulence Type Forecast/Actual:
Wind Direction: Variable
Turbulence Severity Forecast/Actual:
Altimeter Setting: 30.4 inches Hg
Temperature/Dew Point: 1°C / -8°C
Precipitation and Obscuration: No Obscuration; No Precipitation
Departure Point: Lincoln Park, NJ (N07)
Type of Flight Plan Filed: None
Destination: Poughkeepsie, NY (POU)
Type of Clearance: None
Departure Time: 1200 EST
Type of Airspace: Wreckage and Impact Information
Crew Injuries: 1 Minor
Aircraft Damage: Substantial
Passenger Injuries: 1 Minor, 2 None
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 2 Minor, 2 None
Latitude, Longitude: 40.946389, -74.089722 (est)
Accident Number: ERA19LA062
Date & Time: 12/09/2018, 1215 EST
Registration: N5756W
Aircraft: Mooney M20K
Injuries: 2 Minor, 2 None
Flight Conducted Under: Part 91: General Aviation - Personal
On December 9, 2018, about 1215 eastern standard time, a Mooney M20K, N5756W, was substantially damaged during a forced landing near Paramus, New Jersey. The private pilot and a passenger received minor injuries, and two other passengers were not injured. Visual meteorological conditions prevailed, and no flight plan was filed for the cross country flight, which originated from Lincoln Park Airport (N07), Lincoln Park, New Jersey, around 1200. The personal flight was conducted under the provisions of Title 14 Code of Federal Regulations Part 91 and had an intended destination of Hudson Valley Regional Airport (POU), Poughkeepsie, New York.
According to the pilot, while in cruise flight, he noticed an increase in cylinder head temperature on two cylinders. He attempted to reduce the temperatures, however, he soon heard "an explosion," and noted a hole in the engine cowling. The pilot performed a forced landing to a golf course and during the landing roll, the airplane impacted a berm, became airborne again, and struck the ground resulting in the landing gear collapsing and substantial damage to the right wing.
According to Federal Aviation Administration records, the airplane was manufactured in 1984 and was registered to the pilot in November 2017. It was equipped with a Continental Motors Inc. TSIO-360-LB1, a 210-hp, engine. According to the airframe maintenance logbook, the most recent annual inspection was performed on August 15, 2018, at a total time of 2,401.3 hours. According to the engine logbook, the engine was overhauled on January 11, 2016, at a tachometer time of 2,185 hours.
The engine was retained for further examination.
Aircraft and Owner/Operator Information
Aircraft Make: Mooney
Registration: N5756W
Model/Series: M20K No Series
Aircraft Category: Airplane
Amateur Built: No
Operator: On file
Operating Certificate(s) Held: None
Meteorological Information and Flight Plan
Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: TEB, 7 ft msl
Observation Time: 1151 EST
Distance from Accident Site: 6 Nautical Miles
Temperature/Dew Point: 1°C / -8°C
Lowest Cloud Condition: Clear
Wind Speed/Gusts, Direction: Light and Variable / , Variable
Lowest Ceiling: None
Visibility: 10 Miles
Altimeter Setting: 30.4 inches Hg
Type of Flight Plan Filed: None
Departure Point: Lincoln Park, NJ (N07)
Destination: Poughkeepsie, NY (POU)
Wreckage and Impact Information
Crew Injuries: 1 Minor
Aircraft Damage: Substantial
Passenger Injuries: 1 Minor, 2 None
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 2 Minor, 2 None
Latitude, Longitude: 40.946389, -74.089722 (est) The National Transportation Safety Board did not travel to the scene of this accident.
Additional Participating Entities:
Federal Aviation Administration / Flight Standards District Office; Teterboro, New Jersey
Continental Motors Inc.; Mobile, Alabama
Aviation Accident Preliminary Report - National Transportation Safety Board: https://app.ntsb.gov/pdf
https://registry.faa.gov/N5756W
Accident Number: ERA19LA062
Date & Time: 12/09/2018, 1215 EST
Registration: N5756W
Aircraft: Mooney M20K
Injuries: 2 Minor, 2 None
Flight Conducted Under: Part 91: General Aviation - Personal
On December 9, 2018, about 1215 eastern standard time, a Mooney M20K, N5756W, was substantially damaged during a forced landing near Paramus, New Jersey. The private pilot and a passenger received minor injuries, and two other passengers were not injured. Visual meteorological conditions prevailed, and no flight plan was filed for the cross country flight, which originated from Lincoln Park Airport (N07), Lincoln Park, New Jersey, around 1200. The personal flight was conducted under the provisions of Title 14 Code of Federal Regulations Part 91 and had an intended destination of Hudson Valley Regional Airport (POU), Poughkeepsie, New York.
According to the pilot, while in cruise flight, he noticed an increase in cylinder head temperature on two cylinders. He attempted to reduce the temperatures, however, he soon heard "an explosion," and noted a hole in the engine cowling. The pilot performed a forced landing to a golf course and during the landing roll, the airplane impacted a berm, became airborne again, and struck the ground resulting in the landing gear collapsing and substantial damage to the right wing.
According to Federal Aviation Administration records, the airplane was manufactured in 1984 and was registered to the pilot in November 2017. It was equipped with a Continental Motors Inc. TSIO-360-LB1, a 210-hp, engine. According to the airframe maintenance logbook, the most recent annual inspection was performed on August 15, 2018, at a total time of 2,401.3 hours. According to the engine logbook, the engine was overhauled on January 11, 2016, at a tachometer time of 2,185 hours.
The engine was retained for further examination.
Aircraft and Owner/Operator Information
Aircraft Make: Mooney
Registration: N5756W
Model/Series: M20K No Series
Aircraft Category: Airplane
Amateur Built: No
Operator: On file
Operating Certificate(s) Held: None
Meteorological Information and Flight Plan
Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: TEB, 7 ft msl
Observation Time: 1151 EST
Distance from Accident Site: 6 Nautical Miles
Temperature/Dew Point: 1°C / -8°C
Lowest Cloud Condition: Clear
Wind Speed/Gusts, Direction: Light and Variable / , Variable
Lowest Ceiling: None
Visibility: 10 Miles
Altimeter Setting: 30.4 inches Hg
Type of Flight Plan Filed: None
Departure Point: Lincoln Park, NJ (N07)
Destination: Poughkeepsie, NY (POU)
Wreckage and Impact Information
Crew Injuries: 1 Minor
Aircraft Damage: Substantial
Passenger Injuries: 1 Minor, 2 None
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 2 Minor, 2 None
Latitude, Longitude: 40.946389, -74.089722 (est)
UPDATE: In a random coincidence, a teacher featured in a PBS special about aviation this past week was involved in an emergency landing at the Paramus Golf Course early Sunday afternoon.
Three minor injuries were reported after the Mooney M20K 231 aircraft made an emergency landing around 12:30 p.m. on the fairway of the 9th hole off Paramus Road.
"Three minor injuries, none serious" -- two adults and a child, Paramus Police Chief Kenneth Ehrenberg told Daily Voice.
A third adult on the plane, which the FAA said was headed to Poughkeepsie from Lincoln Park, wasn't injured.
Pilot Jonas De Leon, a science teacher at Gregorio Luperón High School for Science and Mathematics in Manhattan, participates in a national program that introduces youngsters to aviation.
The program was featured this past week on PBS.
Original article can be found here ➤ https://paramus.dailyvoice.com
PARAMUS - A small plane bound for Poughkeepsie, New York, landed on the ninth hole of the Paramus Golf Course shortly after noon Sunday after the pilot reported engine trouble, officials said.
Three adults and a child were on board, and all four were taken to Hackensack University Medical Center, said Paramus Police Chief Kenneth Ehrenberg. He said one adult wasn't injured, and the injuries to the other three were minor.
The Mooney M20K 231 aircraft made a forced landing in Paramus at 12:15 p.m., said Federal Aviation Administration spokesperson Rick Breitenfeldt.
The pilot took off from Lincoln Park Airport, Ehrenberg said. While flying over Paramus the pilot reported engine trouble.
The course was not packed with golfers, but there were a few out on the course when the plane was beginning to land.
"I heard it and saw it hovering over," said Paul Dykes who was on the third hole. "I kept thinking he was going to crash. We ran over. It looked like they were all in shock."
The plane landed on the fairway of the ninth hole, Ehrenberg said.
"The woman in the plane was shaking," said Bob Wolff, who was playing a round of golf. "I'm in shock."
The FAA will investigate the incident, Breitenfeldt said.
The Mooney aircraft is registered to Jonas DeLeon, according to flight records. According to a July article in Aircraft Owners and Pilots Association, DeLeon has been a pilot since 1993 and is a teacher at Gregorio Luperon High School for Science and Mathematics in Manhattan.
According to the article, DeLeon convinced the school to invest in aviation courses in the hopes to get students in science, technology, engineering and mathematics.
DeLeon was not listed as a patient Sunday night, a hospital operator said.
Paramus Golf Course remained open Sunday, a course official said. Holes one through seven along with the 17th and 18th holes were open after the landing.
The incident was enough to deter Dykes.
"That plane crash stopped my golf concentration," he said. "Imagine if the course was full."
Original article can be found here ➤ https://www.northjersey.com
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