1. Autonomous hydrographic surveying When fiction becomes reality
Jonathan Morin, Eric Lebel, Guillaume Martel, Louis Cormier, March 2019

2. Ship’s Characteristics
Length = 2.5m / Width = 1.5m
Draft= 30cm
Survey speed = 3-4 knots
4 lithium batteries = 6-7 hrs autonomy
Wifi communication up to 6 km
Anti-collision and anti-grounding system
Jonathan Morin, Eric Lebel, Guillaume Martel, Louis Cormier, March 2019

3. Hydrographic equipment
R2Sonic 2020 multibeam
POS/MV Surfmaster
Base X² Sound profiler and winch
Radio UHF Pacific Crest
Data acquisition Hardware and software
Jonathan Morin, Eric Lebel, Guillaume Martel, Louis Cormier, March 2019

4. Pros and Cons Quick and easy launching Simple transportation logistics
Surveys in shallow waters
Reduced ecological footprint
Limited capacities in rough seas
Reduced autonomy compared to hydrographic vessels
Noise in the data… (Depth. TD 30cm vs 50cm)
Jonathan Morin, Eric Lebel, Guillaume Martel, Louis Cormier, March 2019

5. Jonathan Morin, Eric Lebel, Guillaume Martel, Louis Cormier, March 2019

6. Surveys in 2018 Natashquan (1er september 1st and 2nd)
No launching ramp available
95% of the survey in autonomous mode
Depth range from -0.5 m to 14.7m at CDatum
Area 0.14 km²
Hours
Days
On site preparation 5
0.7
System deployment
2.5
0.3
Lost time weather
0.0
Surveying
12.5
1.7
Jonathan Morin, Eric Lebel, Guillaume Martel, Louis Cormier, March 2019

7. Surveys in 2018 Tête à la baleine (september 4th through 6th)
Under Hypack mode
Strong currents and waves
95% of the survey in autonomous mode
Range of depths from -0.6 m to 52.4m at CDatum
Area covered 0.38 km²
Hours
Days
On site preparation 5
0.7
System deployment
2.5
0.3
Lost time weather
0.0
Surveying
16.5
2.2
Jonathan Morin, Eric Lebel, Guillaume Martel, Louis Cormier, March 2019

8. Surveys in 2018 Baie des Moutons (september 12th and 13th)
Antenna switch to unidirectional
Complementary to mothership (CCGS Frederick G. Creed)
95% of the survey in autonomous mode
Depth range -0.7 m to 62.4m at CDatum
Area 0.60 km²
Hours
Days
On site preparation 4
0.5
System deployment 2
0.3
Lost time weather
0.0
Surveying 13
1.7
Jonathan Morin, Eric Lebel, Guillaume Martel, Louis Cormier, March 2019