Service Time Avg. time to complete | ✓ Under half the time of a diver alone | ✕ 2× longer than KMS | 1–3 days out of water |
Hull Coverage % of wetted surface | ✓ 90–97% ROV + diver finish on running gear | ▲ Varies — often incomplete | Full coverage via pressure wash |
Safety Risk To personnel & vessel | ✓ Minimal — ROV operates remotely from dock | ✕ High — traffic, entanglement, propeller risk | Moderate — dry dock & haul-out hazards |
Reliability & Scheduling Consistency of service | ✓ Guaranteed subscription cadence | ✕ Weather & diver availability dependent | Scheduled but costly and disruptive |
Condition Reporting Post-service documentation | ✓ Full branded report: footage, photos, zinc rating | ✕ Verbal debrief only — zero documentation | Marina inspection report — limited detail |
Post-Service Communication Client-facing updates | ✓ Automated texts + 2-hr condition report | ✕ None — client must follow up | Basic notification from marina only |
Environmental Practice Biofouling management | ✓ Filter bag system — best available practice | ✕ Biofouling released directly into marina water | Paint scrapings & pressure-wash runoff |
Zinc & Running Gear Annual maintenance | ✓ Diver assesses & replaces every visit | ▲ If requested — additional cost | Shipyard service — separate scheduling |