Setting Up a Glider Facility¶
This guide summarises Chapter 1 of the OceanGliders Best Practices document, led by Jack Barth, Sandy Thomalla, Pedro Monteiro, and Sebastiaan Swart, with contributions from the global glider operations community.
1. Introduction: Matching the Facility to User Needs¶
The success of glider-based observing relies on establishing an appropriately equipped, sized, and supported physical facility alongside a well-coordinated team with expertise across ocean science, engineering, IT, field operations, and outreach.
The size and structure of a glider facility should match its observing goals. These range from full-time, 24/7/365 monitoring of fixed sampling lines to short-term, intensive process studies. Key decisions that flow from those goals include:
- Glider selection — depth range, buoyancy displacement, speed, endurance, payload capacity, battery type, cost, and upgrade path. Note that requirements change as science evolves, so flexibility matters.
- Operational range — local deployments versus international shipping with customs and hazmat expertise.
- Data services — contributing raw data to a regional assembly centre versus operating a dedicated real-time, quality-assured data delivery system.
- Uptime requirements — in-house repair and refurbishment capability drives uptime but increases facility cost and complexity.
Facility Models¶
| Model | Description | Trade-offs |
|---|---|---|
| Standalone (institutional) | PI- or university-led, flexible | Unstable funding, limited space to grow |
| National facility | Centralised, serves the community as a service | Adds friction between scientists and operators; requires strong visibility so it isn't underutilised |
| Hybrid / networked | Smaller operators collaborate with larger facilities | Balances diversity of expertise with access to a larger knowledge base (e.g. U.S. IOOS regional associations) |
Tip
A well-designed facility can also provide leverage for sensor development, technology innovation, and student training beyond its primary observing mission.
2. Budget, Funding Model, and Sustainability¶
Budget drives many choices. Common cost categories that are sometimes overlooked:
| Category | Notes |
|---|---|
| Gliders and sensors | Include spares and components to minimise downtime |
| Building | Floor space, power, internet — allow room for expansion |
| Maintenance equipment | From basic tools to ballast tanks and pressure chambers |
| Staff | Technicians, pilots, managers, and admin |
| Insurance | Gliders are regularly lost or damaged at sea; options vary by country and institution |
| Shipping | International customs, ATA carnets, lithium battery hazmat certification |
| Cyber infrastructure | Iridium comms costs, server/cloud hosting, IT support |
| Refurbishment / spares | Ongoing wear-and-tear budget — often underestimated |
| Batteries | Expensive; lithium batteries cannot be shipped by air, so plan for long lead times |
| Deployment/retrieval | Boat hire including emergency rescue missions |
| Fleet replacement | Gliders have a finite lifespan; budget for rejuvenation |
Funding Models¶
There is no single correct model. Considerations include:
- Research-driven vs. cost recovery — or a combination of both
- Single PI vs. federal/core funding
- User charging — a glider use fee (e.g. per 30 days at sea) is often necessary in multi-PI academic environments to build reserves for fleet upgrades and replacements, since grants rarely cover large capital impulses
- Stakeholder buy-in — potential users should be involved from the beginning, both to shape the facility and to help justify funding
3. Infrastructure¶
3.1 Physical Equipment¶
Equipment needs are driven by the mission types the facility will support. Key considerations:
- Ballast tank — at minimum, access to a tank for neutral buoyancy testing is strongly recommended
- Pressure chamber — required for self-reliance on pressure housing testing; otherwise ensure enough spare vehicles/sensors to accommodate manufacturer turnaround time
- Sensor calibration — some payloads (e.g. active acoustics) require specialised large tanks; others can be calibrated in-house or sent to the manufacturer
- Spare parts and asset tracking — track every component through its lifetime. Spreadsheets shared from experienced facilities are a practical starting point; dedicated asset management software may be warranted at scale
- Handling equipment — larger glider types require hoists, carts, and adequate storage space
- Number of gliders — maintain enough vehicles and components so that servicing one does not halt all operations
3.2 Information Technology¶
- Base stations and laptops running manufacturer glider control software — keep software current
- Redundant data storage, including at least one off-site or cloud copy, to protect against catastrophic loss
- Stable power with uninterruptible power supply (UPS) and backup generator for 24/7 operations
- Secure remote access to base stations for piloting from anywhere
- A modem fallback for communications if internet is interrupted — particularly important if multiple gliders call in simultaneously
- Establish a relationship with the host institution's central IT group; 24/7 operations will eventually generate out-of-hours IT needs
Note
Small facilities without dedicated IT staff can use the manufacturer's hosted base station service for a fee. This trades flexibility for reduced administrative burden.
3.3 Shipping, Insurance, and Legal Compliance¶
- Expertise in international shipping and customs is essential for any facility that deploys outside its home country
- Lithium battery handling requires a certified dangerous goods person; storage and disposal must also comply with hazmat regulations
- Consider glider insurance against loss at sea, particularly for small fleets where a single lost vehicle would significantly impact operations. Pooled insurance among national facilities may offer better terms
- When operating in territorial waters, research permit requirements well in advance
4. Personnel¶
A successful glider operation requires a team with diverse and complementary skills. Key roles:
4.1 Glider Technicians¶
The core of any facility. Responsibilities include:
- Hardware and software repair, refurbishment, and upgrade
- Sensor payload configuration, ballasting, and communications testing
- Manufacturer liaison for diagnostics and refurbishments
- Field operations: packing equipment, coordinating with vessel captains, conducting deck and at-sea tests alongside the pilot
4.2 Pilots¶
Responsible for in-mission glider control, navigation decisions, and handoff documentation between shifts. Piloting may be performed by facility staff or by the science team depending on the facility model.
4.3 Additional Roles¶
- Data processing and posting — real-time QC, delivery to data assembly centres, FAIR compliance
- IT support — base station administration, cloud infrastructure, cybersecurity
- Administrative support — shipping coordination, insurance, customs, grant administration
Team Structure¶
- Build a tiered structure — senior pilots and technicians mentor junior staff
- Follow and document best practices: repair logs, glider metadata, piloting decisions
- Regular communication within the team before, during, and after every mission is non-negotiable
Tip
Consider whether a standalone full facility is warranted, or whether partnering with a larger regional or national facility for maintenance, calibration, and IT services is more efficient for your operation.
5. Science, Public, and Stakeholder Communications¶
Effective communication sustains a facility long-term by maximising utilisation, demonstrating impact, and attracting ongoing funding.
- 24/7 contact number — post a monitored cell number on every glider: "Oceanographic Research Equipment: If found adrift, please leave alone. If found ashore, please call X-XX-XXX-XXXX."
- Ocean user engagement — meet with local fishing fleets, mariners, and harbour authorities to explain glider operations; provide data access instructions where data are public
- Outreach — gliders capture public imagination; use social media, press, and school engagement to build support
- Website and branding — a well-maintained website with mission plots, news, and contact information is a minimum requirement for any facility
References¶
Barth, J. et al. (2021). Setting up a glider facility. OceanGliders Best Practices, Chapter 1. OceanGliders Best Practices Workshop.
GROOM (2014). D5.7 Report describing costs to build and operate the glider observatory infrastructure. groom-fp7.groom-h2020.eu
GROOM (2015). D5.1 Ground segment description and the glider port concept. groom-fp7.groom-h2020.eu
Pattiaratchi, C. B., Woo, L. M., Thomson, P. G., Hong, K. K., & Stanley, D. (2017). Ocean glider observations around Australia. Oceanography, 30(2), 90–91. https://doi.org/10.5670/oceanog.2017.226