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City of Yokohama, Fire Bureau Air Fire Service
Major Performance of Helicopters and Major Equipment

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Major Performance of Helicopters and Major Equipment

Last Updated October 1, 2019

The City of Yokohama, Fire Bureau Air Corps has two helicopters. These two helicopters are nicknamed "Hamachidori 1" and "Hamachidori 2", respectively.

Town 1

Major Performance of Helicopters

Major Performance of Helicopters
		Unit 1	Unit 2
Nickname		Town 1	2
Registration symbol		ＪＡ１３１Ｙ	ＪＡ１５２Ｙ
Operation start date		July 1, 2013	June 4, 2015
Aircraft	Manufacturing companies	Agsta Westland Co., Ltd. (Italy)
	Model	Agsta type AW139 type
	Total length	16.66m (when the main rotation wing rotates) [Torso: 13.77m]
	Total width	13.80m (Main spinning wing diameter) [Torso: 4.42m]
	Total amount	４．９８ｍ
	Number of passengers	Up to 17 people
	Maximum fuel volume	１，５８８ℓ
Engine	Manufacturing companies	Ｐ＆ＷＣ (Platt and Whitney Canada)
	Model	Pratt and Whitney Canadian style PT6C-67C type
	Number of bases	2 units
	Maximum output	3,358 horsepower (1,679 horsepower x 2 units)
Performance	Maximum cruising speed	３０６ｋｍ／ｈ
	Maximum cruising time	4 hours and 10 minutes
	Maximum takeoff weight	６，８００ｋｇ
Major equipment	Winding equipment (Hoist)	２７２ｋｇ
	Hanging equipment (Cargo hook)	２，２００ｋｇ
	Searchlight	１，６００Ｗ
	Video transmission equipment	Visual/Infrared Integrated High Sensitivity Camera (just under the nose)
	Outside loudspeakers (Speaker)	１，２００Ｗ
	Fire extinguishing equipment	Airframe fixed tank (1,800l) Hanging bucket (1,000l)
	Emergency equipment installation equipment （ＥＭＳ）	Stretchers, oxygen cylinders

Helicopters

First Unit 1 (JA9544)

Operating period From April 1980 to March 1995

SA365C type

First Unit 2 (JA9585)

Operation period From April 1983 to March 1998

AS365N type

Second-generation Unit 1 (JA6740)

Operation period From April 1995 to June 2013

AS365N2 type

Second-generation Unit 2 (JA98YH)

Operation period From April 1998 to May 2015

AS365N2 type

Major equipment for helicopters

Air rescue

Whist instrument

A device that lifts rescuers and members requiring rescue and houses on board or lifts them to the ground.

Maximum allowable load: 272kg
Cable length 90m

Survival sling

Equipment that is attached to the rescuer and lifts and rescues with a whist device.

Operation load: 270 kg

Rescue stretcher

Rescue stretcher (air stretcher)

Equipment to fix the rescuer on a stretcher and lift it with a whist device to rescue it.

Maximum allowable load: 200kg
Maximum possible personnel
Weighs about 10.2kg

Ebuck harness (rescue harness)

Equipment that lifts and rescues with a whist device while sitting on a chair, such as when the rescuer is weak and the consciousness is poor.

Maximum possible personnel

Fire extinguishing

Fire Attack (Fire Attack on Aircraft Fixed Fire Tank)

Fire attack

A device that attaches water or fire extinguisher to the lower part of the fuselage and sprinkles water at the fire site.
It is also possible to absorb water with a water absorption pump.

Tank capacity 1,800l

Fire extinguishing bucket (out-of-flight hanging type)

Fire extinguishing bucket

This is a container for storing water and fire extinguisher for aerial firefighting. It is a device that attaches to a cargo hook and sprinkles water at a fire site. It can be folded and compact, and can be mounted on board.

Capacity: 1,000l

Fire flex

It can be used as a simple water tank when supplying water from the ground, such as aerial fire fighting activities, thereby securing a water supply source.

Capacity: 6,800l
Upper diameter 2,150 mm
Height (when water is full) 1.2m

Emergency services

Emergency Equipment Installation Device (EMS)

Emergency equipment mounting equipment

This is a device for storing emergency patients on board and transporting them to medical institutions.

1 carrier for aircraft
Oxygen cylinder

For transporting goods

Out-of-flight suspension device (cargo hook)

Cargo hook

This is a device for hanging and transporting relief supplies and other heavy objects that cannot be housed on board.

Maximum allowable load: 2,200kg

For information gathering

HTV system

This system uses a high-performance camera equipped directly below the helicopter's nose to transmit images taken from the sky to the command center and ground activity unit to support ground activities.
By switching to infrared mode, it is also possible to shoot the temperature distribution of subjects that cannot be judged by the naked eye at night or at the time of a special disaster such as a complex disaster.