Sea Marshall PLB’s with integrated AIS


    Reset options


Sea Marshall AU9 & AU10 plb ais

The PLB with integrated AIS is an Automatic 121.5MHz Personal Locator Beacon which can be picked up by on board monitoring devices.

Also by ships, aircraft or coastguard and includes the Automatic Identification System which will be picked up via chart plotters fitted to most boats.

sea marshall plb ais – sea marshall plb ais – sea marshall plb ais – sea marshall plb ais – sea marshall plb ais – sea marshall plb ais

Additional information

Weight 0.4 kg

Sea Marshall AU9, Sea Marshall AU10

AU10 Description

The New sMRT AU10 automatically alerts on 121.5MHz and tracks casualties via AIS to within 10 metres.

With GPS position updated every minute via AIS, your
and every nearby vessel becomes an instant SAR asset.

Automatic activation will alert you of every MOB
incident within 2 – 5 seconds, track casualties up to
75 miles away and ensure that YOU SAVE LIVES.

Why choose a sMRT AU10 ?

  • Activates automatically on immersion in water or manually Alerts via traditional 121.5MHz
  • Indicates GPS position in less than 45s*Updates GPS position via AIS every minute
  • Multiple targets can be tracked simultaneously
  • Individual MMSI identification
  • Up to 75 mile range with worldwide satellite coverage*
  • Designed to be integrated withSOLAS approved sMRT PFD
  • Built in flashing light enhances visual detection
  • Utilises existing Sea Marshall 121.5MHz receivers/SARfinders
  • Annual recertification ensures optimum performance
  • Operating time 12 hours continuous
  • Standby battery life is 3 years when permanently armed/ready
  • 12 hour operation if armed for 12 months

A mandatory annual service & certification is required with this product.

AU10 Technical Information


  • Sealing depth  IP68
  • Operating temp     –
  • 20° to +55°C
  • Storage Temp  -45° to +70°C
  • Operating humidity  to 95% non-condensing
  • Shock  20G min
  • Vibration  EuroCAE ED-14G
  • Compass safe distance  30cm (for <1° detection)
  • Buoyancy  Buoyant (index=9%)
  • Transportation  Air cargo UN 3091 – not hazardous


  • Dimensions (Case)  80mm x 95mm x 35mm
  • Weight  250g
  • Antenna Visible Length  535mm

Standards Applied

  • EMC  EN 301 489-22 V1.3.1, EN 301 489-1 V1.8.1, EN 302 961-2 V1.2.2
  • Electrical Safety  EN 60950-1:2006
  • Marine  IEC 60945:2002
  • Radio (121.5MHz)  EN 300 152 V1.1.1, EN 302 961-2 V1.1.0
  • Radio (AIS)  ETS 303 098-1 V0.0.4, RTCM 11901.1:2012,


  • Airband frequencies  121.500, 121.650, 121.775 MHz Distress
  • Marine-band frequencies  161.975, 162.025 MHz (AIS1, AIS2)
  • Signaling type  AIS-MOB standards applied ETSI 303 098-1, RTCM STANDARD 11901.1
  • Marine-band power  1W EIRP
  • VHF antenna  Centre-fed dipole, comprising cable and l/8 coil whip
  • GPS antenna  Circular-polarised wide-angle bulb


  • Operating Time  >12 hours continuous
  • GPS position update  Every minute
  • GPS Time to first lock  <1 minute under normal operating conditions
  • Alert indication  Audible and visible SOS signalling
  • Activation  Slide switch plus water sensor
  • MMSI  Permanent factory programmed (972 prefix)

AU9 Description

The AU9 works in seconds. It sends an emergency alert on 121.5 MHz, which the base unit tracks. Your crew use this homing signal to find and recover you quickly.

Search and Rescue can also track your position using the 121.5 MHz frequency.
Why choose an AU9?

  • Works in just 2 seconds
  • Monitors your safety 24/7
  • Small and lightweight
  • LED antenna for easier tracking


  • Lightweight and easily fits to a lifejacket or PFD
  • 24/7 monitoring
  • 2 second auto-activation or manual operation
  • 100mW power output
  • hours emergency transmission on 121.5 MHz (international Search and Rescue)
  • LED strobe on antenna for visual tracking
  • Automatic low battery indicator (user replaceable battery)
  • Test function to check signal transmission and battery power
  • 1 year standard warranty

A mandatory annual service & certification is required with this product.

AU9 Technical Information

  • Frequency: Live Beacon 121.5 MHz Orange Case; Test Beacon 121.65MHz Green Case.
  • Bandwidth 25KHz (in alignmnet with ETSI)
  • Battery: Reccomended annual re certification every 12 months.
  • Maximum 24 months battery life when armed 24/7
  • Minimum 36 months battery life when periodically armed(approx 8hrs daily)
  • Full power Endurance: Average 100mW = 24 hours, 500mW = 24 hours
  • Dimensions : Approx 95mm high × 80mm wide x 35mm deep.
  • Antenna length: Approx 50cm Helicopter Transit model, Approx 105cm all other models
  • Modulation: Continuous swept tone A3X
  • Output power: 100mW or 500mW depending on model.
  • Temp. range (storage): -55°C to + 70°C;


  • CE
  • ATEX – Zone 2 II 3G (AU9X only) Sira 10ATEX4253 for model AU9-X Zone 2 ONLY
  • Activation – Manual & Automatic with manual override (salt and fresh water)
  • NOTE: some units have a fail-safe over ride function installed to allow the unit to auto-activate after 40 seconds
  • immersion in water in the event the unit has been switched off.
  • Waterproofing IP-68
  • Antenna: 1m cable with flexible helical spring section.
  • Strobe: inbuilt LED strobe on antenna
  • ILS: internal loudspeaker 80dB
  • Weigth: 250gms (approx)
  • AU9-HT CAA flight approved
  • Environmental – the AU9 has passed the following environmental tests – Eurocae ED-14F
  • Temperature & altitude
  • Temperature variation
  • Humidity
  • Shock & crash safety
  • Explosive atmosphere
  • Waterproofness
  • Sand & Dust
  • Salt Fog
  • Magnetic Effect
  • RF – Susceptibility
  • Icing
  • ESD
  • Vibration Proof


There are no reviews yet.

Be the first to review “Sea Marshall PLB’s with integrated AIS”

Your email address will not be published.