Duval County: the inspector tests steering, not the sphere

Florida Yacht Stabilizers · Updated 8 October 2026

The answer in this sector

A stabilizer fault on a certificated boat in Duval County matters when it stops the steering test the marine inspector is required to do. 46 CFR 61.20-1, amended 12 June 2024 and accessed 8 October 2026, requires that inspection at each certification for vessels whose certificates renew every year, and twice in five years otherwise, with no gap longer than three years. Changeover devices from automatic to manual are examined and tested. The section does not name a gyro, a fin seal, or a CAN address. Pretending it does is how a vacuum alarm gets written up as a failed steering inspection.

• The gyro is not the steering gear unless the installation actually ties them together.
• The zone boundary is latitude 28°N on this coast. South of that is not this office.
• The bar pilots’ licensing statute is not a stabilizer specification.

The rule in Sector Jacksonville

33 CFR 3.35-20 puts Sector Jacksonville’s office in Jacksonville and draws the marine inspection and Captain of the Port zone from the EEZ to the Florida-Georgia boundary, then southeast to 28°N, 81°30′W, then east. Duval County and the St. Johns entrance sit inside that polygon. A Fort Lauderdale yacht does not. The same paragraph structure gives Sector St. Petersburg the Gulf, which is why a city stormwater fine in St. Petersburg is not this inspection.

On a small passenger vessel, 46 CFR 176.814 makes the owner or managing operator present the steering systems at each inspection for certification. Servo and orbital power systems must run smoothly by a single person in manual mode with hydraulic pumps secured. If the only path to that mode runs through a stabilizer controller that has dropped off the network, you do not have a display glitch. You have a boat that cannot show the test.

Chapter 310, Florida Statutes, is the pilot statute. It is the right place to stop a rumor. State pilots are licensed there. The chapter does not set a vacuum reading, a seal leak rate, or a bus termination for stabilizers on the St. Johns bar. The association may have internal standing orders. They are not the citation for this page, because they are not the published rule.

If you skip the changeover

Tell the inspector the stabilizer “is a separate system” and then fail to move the rudder in manual mode, and the missed item is 61.20-1(b), not a debate about gyros. On a small passenger vessel the missed item is also 176.814. The certificate cycle does not pause because a vendor is shipping a display. The practical delay is the inspection itself: the boat stays in the yard or at the pier until the changeover works. A private yacht without a certificate is not in this delay. Do not drag that owner into a commercial inspection story.

Who signs, who pays, how long

How the next zone differs

Checklist for this inspection

1. Confirm the boat is certificated and the zone is Sector Jacksonville, not “somewhere in north Florida.”
2. Test automatic-to-manual changeover before the inspector asks.
3. On a small passenger vessel, show manual mode with pumps secured, one person.
4. Separate a gyro vacuum history from a steering failure in the narrative.
5. Do not cite a pilot-association stabilizer spec you cannot hand over.

Fee or timeline the document prints

The timeline is the inspection cadence in 61.20-1: every certificate renewal when renewal is annual, otherwise twice in five years and never more than three years apart. The inspector may look more often. No dollar amount for a stabilizer diagnosis is printed in 61.20-1, 176.814, or Chapter 310. A yard’s charge to be alongside for the test is a commercial number. It is not in the Code of Federal Regulations.

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