8.3 Umbrella/Excess Liability, Boatowners, Ocean Marine & Mobile Home Coverages

8.3 Umbrella/Excess Liability, Boatowners, Ocean Marine & Mobile Home Coverages

Quick Answer: PSI Domain VIII (3% of the exam / 3 questions) tests specialty personal and commercial lines: Umbrella/Excess Liability (including the Self-Insured Retention [SIR] and the Maintenance of Underlying Insurance gap penalty), Boatowners/Watercraft vs. Ocean Marine (the four coverages—Hull, Cargo, Freight, and P&I—plus General Average vs. Particular Average), and Mobile Home Coverage (MH 04 01), along with NFIP Flood and Surety Bond fundamentals.

---

1. Umbrella and Excess Liability Policies (Personal & Commercial)

A. Three Core Functions of a True Umbrella Liability Policy

An Umbrella Liability Policy provides catastrophe liability limits (typically $1,000,000 to $10,000,000+) above scheduled underlying primary policies (such as Personal Auto and Homeowners Section II for individuals, or Commercial Auto, CGL/BOP Section II, and Employers Liability for businesses). A True Umbrella performs three distinct functions:

1. Excess Over Underlying Limits (Drop-Over): When a claim is covered by both the underlying primary policy and the Umbrella policy, and the judgment or settlement exhausts the underlying per-occurrence limit, the Umbrella pays the excess damages up to the Umbrella limit (with no SIR deducted).
2. Aggregate Drop-Down: When an underlying policy's annual aggregate limit (such as the CGL General Aggregate or Products-Completed Operations Aggregate) has been reduced or exhausted by prior covered losses during the policy year, the Umbrella drops down to act as primary coverage (including defense) for subsequent covered occurrences.
3. Broadened Coverage + Self-Insured Retention (SIR): Because a True Umbrella has its own self-contained insuring agreement and definitions, it covers certain third-party liability claims that are not covered by any underlying primary policy (for example, worldwide liability territory or broader personal injury torts). When the Umbrella drops down to cover a claim that is excluded by the underlying policy, the insured must first pay an out-of-pocket Self-Insured Retention (SIR)—typically $250 to $1,000 on a Personal Umbrella or $10,000+ on a Commercial Umbrella—which functions like a deductible before the Umbrella responds.

B. True Umbrella vs. Follow-Form Excess Liability Policy

• Follow-Form Excess Liability Policy: Contains no independent coverage grant; it strictly incorporates ("follows the form of") the exact terms, conditions, and exclusions of the underlying primary policy, providing only higher dollar limits.
• True Umbrella Liability Policy: Contains its own stand-alone policy wording, allowing it both to pay excess over underlying policies and to drop down (subject to the SIR) to cover broader exposures not insured by the underlying contract.

C. Maintenance of Underlying Insurance Condition (Critical Exam Trap!)

Every Umbrella policy contains a Maintenance of Underlying Insurance condition requiring the insured to keep all scheduled underlying policies in full force at the minimum required limits shown on the Umbrella Declarations. If the insured allows an underlying policy to lapse, be cancelled, or carry lower limits than required:

• The Umbrella policy is NOT voided, NOR does the Umbrella insurer drop down to pay from dollar one (or above the SIR)!
• Instead, the Umbrella insurer is liable ONLY to the same extent it would have been liable had the required underlying insurance been properly maintained. The insured is personally responsible out of pocket for the entire underlying gap!

Worked Adjuster Example — Failure to Maintain Underlying Insurance:

• Policy Terms: An insured carries a $1,000,000 Personal Umbrella (with a $500 SIR) that requires a scheduled underlying Homeowners Section II policy with a minimum limit of $300,000 per occurrence.
• Breach: To save money, the insured lowers the underlying Homeowners liability limit to $100,000 (or lets the HO policy lapse completely).
• Loss: A guest suffers a severe injury on the premises, resulting in a $450,000 covered judgment.
• Settlement If Underlying Limit Was Reduced to $100,000:
  1. Underlying Homeowners Insurer Pays: $100,000 (its actual policy limit).
  2. Insured Pays Out of Pocket (The Gap): $200,000 (the difference between the $100,000 carried and the $300,000 required).
  3. Umbrella Insurer Pays: $150,000 (only the portion above the required $300,000 threshold: $450,000 − $300,000 = $150,000).
• Settlement If Underlying HO Policy Lapsed Completely: The insured must pay the entire $300,000 required underlying limit out of pocket, and the Umbrella still pays only $150,000! (The $500 SIR never replaces a lapsed underlying policy!)

---

2. Boatowners / Watercraft, Yacht, and Ocean Marine Insurance

A. Boatowners / Watercraft Policy vs. Yacht Policy

• Boatowners / Watercraft Policy: A package policy (modeled on Homeowners + Personal Auto) designed for smaller pleasure craft (typically motorboats and sailboats under 26 feet in length) operated on inland lakes (including Michigan's inland lakes and the Great Lakes) and rivers. Combines:
  • Section I — Physical Damage: Open Perils coverage on the hull, inboard/outboard motors, fuel tanks, permanently attached equipment, portable boating equipment (anchors, oars, life preservers), and a scheduled boat trailer (settled on ACV or Agreed Value), plus Towing/Assistance and Wreck Removal.
  • Section II — Watercraft Liability: Covers Bodily Injury and Property Damage liability (including water-skiing liability), Watercraft Medical Payments, and Uninsured Boater Coverage.
• Yacht Policy: An Ocean Marine contract designed for larger pleasure vessels (26 feet or longer). Combines Hull Insurance (written on an Agreed Value basis), Protection and Indemnity (P&I) (broad maritime bodily injury and property damage liability, including liability to paid crew members under the federal Jones Act and harbor workers under the Longshore and Harbor Workers' Compensation Act [LHWCA]), Medical Payments, and an Omnibus Clause covering anyone operating the yacht with the owner's permission.

B. Ocean Marine Insurance: The 4 Core Coverages & Clauses

C. Particular Average vs. General Average (Heavily Tested!)

In Ocean Marine insurance, the word "Average" means a partial loss:

1. Particular Average: An accidental partial loss affecting only one specific interest (such as storm damage to the ship's propeller alone, or seawater damage to a single shipper's crate) that is borne solely by the owner (or insurer) of that damaged property, with no contribution from other parties on the ship. Cargo policies written Free of Particular Average (FPA) exclude partial losses unless they exceed a stated franchise percentage (e.g., 3%–5%) or the vessel has been stranded, sunk, burned, or in a collision.
2. General Average: A voluntary, intentional partial sacrifice (or extraordinary expenditure) reasonably ordered by the ship's master in a time of imminent common peril to save the entire maritime venture from total destruction—and the sacrifice succeeds in saving the remaining venture (for example, jettisoning one shipper's containers overboard in a hurricane to prevent the ship from capsizing, or flooding a hold to put out a shipboard fire). Under maritime law, ALL parties in the venture (shipowner, freight owner, and all cargo owners—including the owner whose cargo was sacrificed!) must contribute pro rata based on the value of their interest to the total value of the venture.

Worked Adjuster Example — General Average Pro-Rata Contribution:

• Total Maritime Venture ($5,000,000): Vessel value = $3,000,000 (60% of venture); Shipper A's cargo = $1,000,000 (20%); Shipper B's cargo = $500,000 (10%); Shipper C's cargo = $500,000 (10%).
• Voluntary Sacrifice: During a typhoon, the captain intentionally jettisons Shipper C's entire $500,000 cargo overboard to keep the vessel from sinking, saving the ship and the cargoes of A and B.
• General Average Loss Ratio: $500,000 sacrifice ÷ $5,000,000 total venture = 10%.
• Pro-Rata Contributions (10% of Each Interest):
  • Vessel Owner (60%): Pays $300,000 toward Shipper C's loss
  • Shipper A (20%): Pays $100,000 toward Shipper C's loss
  • Shipper B (10%): Pays $50,000 toward Shipper C's loss
  • Shipper C (10%): Absorbs $50,000 of its own loss (and collects $300,000 + $100,000 + $50,000 = $450,000 from the other saved parties).

---

3. Mobile Home Coverage (MH 04 01), NFIP Flood & Surety Bonds

A. Mobile Home Coverage (MH 04 01)

A manufactured or mobile home (typically at least 10 feet wide by 40 feet long, built to be towed on its own chassis and used as a year-round private residence) can be insured under a dedicated Mobileowners policy or by attaching the ISO Mobilehome Endorsement (MH 04 01) to an HO-2 or HO-3 policy:

• Coverage A (Dwelling): Covers the mobile home structure plus attached structures, tie-downs, skirting, steps, anchoring systems, air conditioning, and built-in appliances/floor coverings.
• Coverage B (Other Structures): 10% of Coverage A or $2,000, whichever is greater.
• Coverage C (Personal Property) (typically 40%–50% of Coverage A), Coverage D (Loss of Use), and Section II Liability (Coverages E & F).
• Emergency Removal Expense (Built-In Additional Coverage): If the mobile home is endangered by a Peril Insured Against and must be moved to avoid damage, the policy covers direct physical loss to the home from any cause for up to 30 days while removed, AND pays up to $500 (no deductible) for reasonable expenses incurred to remove and return the mobile home. Routine highway towing/collision while relocating to a new residential site is excluded unless a separate Transportation / Permission to Move Endorsement is purchased.

B. NFIP Flood & Surety Bonds Quick Reference