ASN Wikibase Occurrence # 387181
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| Date: | Wednesday 1 May 2024 |
| Time: | 16:10 |
| Type: |  Airbus Helicopters H125 Ecureuil (AS 350B3e) |
| Owner/operator: | Hillsborough County Sheriff's Office (HCSO) |
| Registration: | N413JM |
| MSN: | 8646 |
| Year of manufacture: | 2019 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | near Plant City, FL -
 United States of America
|
| Phase: | En route |
| Nature: | Ferry/positioning |
| Departure airport: | Lakeland Linder Regional Airport, FL (LAL/KLAL) |
| Tampa Executive Airport, FL (KVDF) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
On May 1, 2024, about 1610 eastern daylight time, an Airbus Helicopters AS-350, N413JM, was substantially damaged when it was involved in an accident near Plant City, Florida. The commercial pilot and the private pilot-rated copilot were not injured. The helicopter was operated by the Hillsborough County Sheriff’s Office (HCSO) as a Title 14 Code of Federal Regulations Part 91 positioning flight.
The helicopter departed Lakeland Linder International Airport (LAL), Lakeland, Florida, about 1545 and was destined for the HCSO base at Tampa Executive Airport (VDF), Tampa, Florida.
According to the pilot, he elected to conduct the flight from the left seat to remain “proficient” and while enroute, he selected a field to conduct confined area approaches, approaches to landings, and slope landings. After completing the initial approach to a 15-foot hover, the pilot maneuvered the helicopter inside the landing zone about 20 knots and 50 ft above ground level when the helicopter entered an uncommanded left turn that the pilot could not arrest. The turn progressed into a left “spin” and the helicopter rotated 2 to 3 times before impacting the ground and coming to rest upright with the engine running, the main rotor system “intact,” and no evidence of fire. The pilot performed an engine shutdown, and the crew performed a normal egress.
Examination of photographs revealed multiple bends and wrinkles in the tailboom, damage to the tail “stinger” and tail rotor guard. The tail rotor gearbox was separated, and the tail rotor driveshaft, hub and blade assembly remained attached. One of the two tail rotor blades was separated consistent with impact.
Removal of the tail rotor driveshaft cover revealed that the most aft-mounted hanger bearing (No. 1 of 5) was severely damaged and free of its mount and bearing race, while the tail rotor driveshaft itself remained intact and connected. The left side bearing mount attach bolt was not installed but found atop the tailboom next to the mount. The right-side bolt was installed, but the attachment nut was not fully seated.
The pilot held a commercial pilot certificate with ratings for airplane single-engine land and rotorcraft - helicopter. His most recent Federal Aviation Administration (FAA) second-class medical certificate was issued February 22, 2024. He reported 2,322 total hours of flight experience, of which 1,852 hours was in helicopters with 800 hours in the accident helicopter make and model.
The copilot held a private pilot certificate with a rating for rotorcraft - helicopter. His most recent FAA second-class medical certificate was issued November 17, 2023. He reported 132 total hours of flight experience, of which all were in the accident helicopter make and model.
According to FAA and maintenance records, the helicopter was manufactured in 2019 and was powered by a Safran Arriel 2D 860-horsepower engine. Its most recent 100-hour inspection was completed on April 4, 2024, at 1,970.2 total aircraft hours.
According to the HCSO unit supervisor, the helicopter had recently been returned to service after completion of multiple inspections as well as several safety-of-flight component removals and replacements. He reported that all 5-tail rotor driveshaft hanger bearings were replaced during the inspections, and that the helicopter had accrued 12.3 hours of flight time since completion of the work.
Accident investigation:
 |
|
Sources:
https://www.wfla.com/news/hillsborough-county/hillsborough-county-sheriffs-office-helicopter-makes-emergency-landing-in-field-near-plant-city/
NTSB
https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=101DL
History of this aircraft
Ex N101DL, N536AH
Location
Media:
𝗣𝗜𝗟𝗢𝗧𝗦 𝗘𝗫𝗣𝗘𝗥𝗜𝗘𝗡𝗖𝗘 𝗘𝗠𝗘𝗥𝗚𝗘𝗡𝗖𝗬 𝗟𝗔𝗡𝗗𝗜𝗡𝗚 𝗜𝗡 𝗣𝗟𝗔𝗡𝗧 𝗖𝗜𝗧𝗬
— HCSO (@HCSOSheriff) May 2, 2024
This afternoon, a Hillsborough County Sheriff’s Office helicopter was involved in an emergency landing during flight.
At 4:04 p.m., two pilots reported an emergency landing in a field… pic.twitter.com/r4ZybVPacc
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-May-2024 15:09 | Captain Adam | Added |
| 02-May-2024 15:39 | Aerossurance | Updated [Embed code, Damage, Narrative, Category] |
| 02-May-2024 15:39 | Aerossurance | Updated [Location] |
| 03-May-2024 07:10 | RobertMB | Updated [Aircraft type, Source, Narrative] |
| 03-May-2024 11:42 | Captain Adam | Updated [Source, Narrative] |
| 17-May-2024 19:33 | Captain Adam | Updated [Time, Location, Nature, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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