Accident Bell 47G-3B-1 HP-1735IM,
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ASN Wikibase Occurrence # 245745
 
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Date:Sunday 13 December 2020
Time:
Type:Silhouette image of generic B47G model; specific model in this crash may look slightly different    
Bell 47G-3B-1
Owner/operator:Helicópteros Veraguas
Registration: HP-1735IM
MSN: 3843
Year of manufacture:1968
Fatalities:Fatalities: 1 / Occupants: 1
Aircraft damage: Destroyed
Category:Accident
Location:Changuinola -   Panama
Phase: Landing
Nature:Agricultural
Departure airport:
Destination airport:
Investigating agency: OFINVAA
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The aircraft was performing spraying work, at the end of its fifth flight of the day, returning to load agrochemicals, the aircraft is positioned at a point closer to the truck than usual, approximately 4 feet above the ground hits the tail rotor with the ground, which caused the pilot to lose control crashing into the cab of the truck. Due to the impact the aircraft caught fire.
As a result of the post-impact fire, the pilot suffered severe burn injuries. The aircraft was destroyed as it was consumed by the fire.

The cause of the helicopter accident was the uncontrolled impact against the front of the truck supplying agrochemicals, which then caught fire after impact.

Contributing factors
a. Human factor failure
- Failure to use an adequate area for the agrochemical supply, after being exhausted in the various scheduled flights.
- Using river stones to level the agrochemical and fuel refueling area.
- Parking the agrochemical supply truck in the agrochemical and fuel refueling area before the helicopter.
- The speed of approach to the agrochemical and fuel refueling position which did not allow it to have a controlled reaction after impacting the tail skid against the ground.

Accident investigation:
cover
  
Investigating agency: OFINVAA
Report number: 
Status: Investigation completed
Duration: 1 year and 6 months
Download report: Final report

Sources:

https://www.panamaamerica.com.pa/provincias/un-helicoptero-fumigacion-cae-un-camion-en-changuinola-hay-un-herido-gravedad-1177776

Revision history:

Date/timeContributorUpdates
16-Dec-2020 09:54 gerard57 Added
16-Dec-2020 11:40 RobertMB Updated [Aircraft type]
22-Feb-2021 18:28 rudy Updated [[Aircraft type]]

Corrections or additions? ... Edit this accident description

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