Garmin GT56UHD Thru-Hull Transducer

The GT56 transducer is now available in a thru-hull and thru-hull pair option that provides better sonar clarity at speed. The GT56 transducer is the ultimate all-in-one sonar solution, featuring Ultra High-Definition SideVü™ and ClearVü™ scanning sonar and amazingly clear high wide CHIRP traditional sonar. With three scanning sonar frequencies, you’ll get top performances at all depths. High wide CHIRP traditional sonar shows crisp fish arches with minimal noise for incredible clarity. Vivid scanning sonar colour palettes make it easier than ever to distinguish targets and structure.

ULTRA HIGH-DEFINITION SIDEVÜ - Get Ultra High-Definition SideVü scanning sonar with 20% greater range at 1000 kHz, Ultra High-Definition ClearVü scanning sonar and amazingly clear high wide CHIRP traditional sonar.

HIGH WIDE CHIRP- High wide CHIRP traditional sonar provides remarkably clear target separation and definition up to 800’ below your boat.

SIDEVÜ SCANNING - 455 kHz SideVü scanning sonar lets you see up to 500’ on each side of your boat.

SCANNING SONARS - Three scanning sonar frequencies — 455 kHz, 800 kHz and 1000 kHz — and 500 watts of power deliver top performances at all depths.

VIVID COLOUR - Vivid scanning sonar colour palettes make it easy to distinguish targets and structure.

Specifications

• Transducer cable length: 7.62 m
• Transducer frequency: Traditional High wide CHIRP (150-240 kHz); ClearVü/SideVü 455 kHz (425-485 kHz), 800 kHz (790-850 kHz), 1000 kHz (940-1100)
• Transducer power: Traditional 350 W; ClearVü/SideVü 500 W
• Transducer beamwidth: Traditional CHIRP: 24-16; ClearVü 0.52 x 52 @ 1000 kHz, 0.64 x 35 @ 800 kHz, 1.1 x 52 @ 455 kHz; SideVü 0.52 x 52 @ 1000 kHz, 0.64 x 35 @ 800 kHz, 1.1 x 52 @ 455 kHz
• Transducer maximum depth: Traditional: 244 m freshwater; ClearVü: 122 m; SideVü: 152 m
• Functions: Depth and temperature
• Transducer plug pins: 12
• Transducer supported deadrise angles: 0°-70° degree transom
• Dimensions (without mount): 218.5 x 51.8 x 27.7mm

Compatibility

• GPSMAP® 8400xsv and GPSMAP 8600xsv chartplotters
• GPSMAP 7x3, GPSMAP 9x3 and GPSMAP 12x3
• GPSMAP 7x2 and GPSMAP 9x2
• ECHOMAP Ultra chartplotters
• ECHOMAP UHD sv chartplotters

In The Box

GT56UHD-TH (Single)

• GT56UHD-TH transducer
• Stainless steel stem
• Fairing block
• Isolation plate and bushings
• Extension cable
• Mounting hardware
• Documentation

GT56UHD-THP (Pair)

• 2 GT56UHD-TH transducers
• Stainless steel stems
• Fairing blocks
• Isolation plate and bushings
• Y-cable
• Mounting hardware
• Documentation

Royal Mail Service Update: Please be aware when choosing Royal Mail as your preferred delivery method, your delivery time may be impacted by ongoing strikes and may take up to 20 working days. If your order is time critical we suggest choosing a courier or Next Day Service

Our Mail Order team ship chandlery, yacht parts and sailing clothing around the world. We use the best value couriers available, and we will endeavour to get your products to you as quickly and as cost effectively as possible.

International Orders: Due to delays we have had to suspend our international delivery options. 

UK Standard Delivery

• UK Mainland 0 - 2Kg (small jiffy) £3.95 Royal Mail Service. Despatch within 3- 5 working days, delivery in 7-10 working days for orders under £50.00
• UK Mainland up to 25Kg £5.95 Courier service with signature. Despatch within 3- 5 working days, delivery in 7-10 working days
• UK Mainland 25Kg+ Price on request
• UK Mainland Next Day 0 - 25Kg £9.95 Courier service with signature, orders must be placed before midday
• Northern Ireland, Highlands & Islands 0 - 2Kg (small jiffy) £3.95 Royal Mail Service. Despatch within 3- 5 working days, delivery in 5-7 working days for orders under £50.00
• Northern Ireland, Highlands & Islands 1 - 25Kg £10.95 Courier service with signature. Despatch within 3- 5 working days, delivery in 7-10 working days
• Northern Ireland, Highlands & Islands 25Kg+ Price on request
• Channel Islands 0 - 2Kg (small jiffy) £5.95 Royal Mail Service Despatch within 3- 5 working days, delivery in 5-7 working days for orders under £50.00
• Channel Islands 1 - 25Kg £13.50 Courier service with signature. Despatch within 3- 5 working days, delivery in 5-7 working days
• Channel Islands 25Kg+ Price on request

UK Exceptional Delivery

• UK Mainland; Antifoul & paints £5.95
• UK Mainland; Inflatable dinghy £10.00
• UK Mainland; Liferafts £17.50
• UK Mainland; Flares £49.95
• Northern Ireland, Highlands & Islands; Antifoul & paints £9.95
• Northern Ireland, Highlands & Islands; Inflatable dinghy price on request
• Northern Ireland, Highlands & Islands; Liferafts price on request
• Northern Ireland, Highlands & Islands; Flares not available to ship at this time
• Channel Islands; Antifoul & paints £13.50
• Channel Islands; Inflatable dinghy price on request Channel Islands; Flares not available to ship at this time

For further delivery information click here.

Standard Returns

If you are not entirely happy with your purchase, we will exchange or refund your goods in full, provided that the items are returned within 14 days of receipt.*

Please check the condition of goods on arrival - we are unable to accept goods damaged during shipping after 14 days.

Returned goods must be packaged securely, with all original packaging undamaged and in a saleable condition i.e. shoe boxes must be in the same condition as when received.

Goods must be unused and security seals intact.*

If you would like to return goods because they were ordered incorrectly or if clothing does not fit, return postage will be at your expense. If you would like us to replace the goods with another size or colour, we will charge carriage on the replacement.

Please be aware that some navigational and safety products may be dated, and as such a full refund may in some cases not be possible. If you are purchasing dated navigational charts we suggest you contact us for more information.

Faulty Goods

If you receive your goods and believe them to be faulty, please contact us straight away with a brief description of the problem. If we require you to return the product for a replacement, we will send you a pre-paid Royal Mail label for delivery back to us. Unfortuantely we cannot send the courier back to collect the items.

Returning goods to Force 4 is easy!

1. Please contact us by ringing 0345 1300 710 or email on [email protected]. This way we'll be able to determine whether you would like to return the product for a refund or whether you'd like to exchange the product. We are unable to process the return of faulty goods that we're not expecting.
2. We'll then give you a returns number. This returns number will need to be clearly marked on the outside of your parcel so it can be identified on arrival. Please note, failure to mark a returns reference number on the outside of your parcel may result in a delay in processing your return.
3. Don't forget your proof of postage, just in case!
4. Once we receive the item we'll be able to proceed with a refund or an exchange.

*this excludes faulty goods with manufacturers defects. If goods are found to be faulty during use, after the returns period, please just give us a ring on 0345 1300 710 and we'll be happy to help.