Commercial Aircraft Components Manufacturing Insurance: A Practical UK Guide

Introduction

If you manufacture components that end up on commercial aircraft—anything from machined parts and composite assemblies to avionics housings, interiors, or ground-support components—you operate in one of the most demanding supply chains in the world. Customers expect tight tolerances, traceability, documented quality systems, and dependable delivery. Insurers look at the same things, because one small defect can create a costly chain of events: rejected batches, grounded aircraft, contractual penalties, and (in worst cases) injury or property damage.

This guide explains the main insurance covers UK commercial aircraft components manufacturers typically need, what insurers will ask about, and how to structure a policy that protects your balance sheet without paying for cover you don’t need.

Why aircraft components manufacturing is a higher-risk class

Aviation manufacturing combines several risk drivers:

• High-value claims: A single defective component can trigger large replacement, recall, and business interruption costs.
• Long-tail liability: Claims can arise years after manufacture, especially where components remain in service for a long time.
• Complex contracts: OEM and Tier 1 contracts often include strict liability clauses, hold-harmless wording, and insurance requirements.
• Regulated quality and traceability: Expectations around inspection, calibration, batch control, and documentation are high.
• Global supply chains: Export, overseas customers, and cross-border disputes can increase complexity.

The core insurance covers to consider

Most manufacturers will build a programme around these policies.

1) Employers’ Liability (EL)

If you employ staff in the UK, Employers’ Liability is generally a legal requirement. For aircraft component manufacturing, insurers focus on:

• Machinery and workshop safety
• Manual handling and repetitive strain
• Exposure to dusts/fumes (composites, solvents, coatings)
• Noise and vibration
• Training, supervision, and maintenance schedules

2) Public Liability (PL)

Public Liability covers injury or property damage to third parties, typically arising from your premises or operations (not the performance of your product once installed). Examples include:

• A visitor is injured on the factory floor
• You damage a customer’s property during on-site work
• A contractor is injured due to your negligence

PL is often packaged with Products Liability, but it’s important to understand the difference.

3) Products Liability (including aviation-specific considerations)

Products Liability responds if your product causes third-party injury or property damage after it leaves your control. For aviation supply chains, insurers will want clarity on:

• What you manufacture (critical vs non-critical components)
• Whether parts are flight safety critical
• Where parts are installed and used
• Your quality controls, testing, and sign-off processes
• Your contractual terms and whether you accept liability beyond negligence

Because aviation claims can be severe, limits and wording matter. It’s also common for customers to require evidence of Products Liability with specific limits.

4) Product Recall / Product Contamination / Rectification

Standard Products Liability may not cover the full cost of:

• Removing and replacing components
• Reworking batches
• Customer notification and logistics
• Disposal and re-manufacture
• Extra labour and expedited shipping

A dedicated Product Recall or Product Rectification extension can be crucial, especially if you supply high-volume parts or have tight delivery penalties.

5) Professional Indemnity (PI) for design, specification, or advice

Many component manufacturers do more than “build to print”. If you provide:

• Design input
• Engineering advice
• Material selection recommendations
• Prototype development
• Testing reports or certification support

…then Professional Indemnity is worth considering. PI typically covers financial loss arising from negligence in professional services (as opposed to bodily injury/property damage).

6) Property insurance (buildings, contents, stock)

Property cover protects your physical assets, often including:

• Buildings (if you own them)
• Contents and equipment
• Stock and materials
• Customers’ goods (if you hold them)

Aviation manufacturing often involves high-value stock and specialised tooling, so sums insured should be accurate and reviewed regularly.

7) Business Interruption (BI)

Business Interruption covers loss of gross profit and increased cost of working following insured property damage (for example, a fire). Key points:

• Choose an indemnity period that matches realistic recovery time (12, 18, or 24 months are common).
• Consider dependencies: specialist machinery lead times, tooling replacement, and re-qualification.
• Think about contract penalties and whether your BI basis reflects your real exposures.

8) Machinery Breakdown / Engineering insurance

If you rely on CNC machines, autoclaves, compressors, furnaces, or other critical plant, Machinery Breakdown can cover sudden and unforeseen mechanical/electrical failure. This can be a major cause of downtime even without a fire or flood.

9) Goods in Transit and Marine Cargo

If you ship parts domestically or internationally, you may need cover for:

• Loss or damage in transit
• High-value shipments
• Temperature or handling sensitivities
• Export documentation and Incoterms responsibilities

10) Cyber insurance

Even if you’re not a “tech company”, manufacturers can be exposed to cyber risks:

• Ransomware disrupting production
• Compromised supplier/customer portals
• Invoice fraud
• Data breaches involving employee or customer information

Cyber cover can help with incident response, business interruption from cyber events, and liability.

11) Directors’ and Officers’ (D&O)

If you have a board or senior leadership, D&O can protect against claims alleging mismanagement, regulatory issues, or breaches of duty. It’s often relevant when you’re raising finance, tendering for larger contracts, or expanding.

Common exclusions and gaps to watch

Insurance is as much about wording as it is about price. For aircraft component manufacturers, pay attention to:

• Aviation exclusions: Some policies exclude aviation risks by default. You need confirmation that aviation products are included.
• Contractual liability: If your contract makes you liable beyond negligence, cover may be limited.
• Work away / overseas jurisdiction: If you install or support parts abroad, territorial limits matter.
• Heat work / welding / hot works: Property insurers may impose strict conditions.
• Tooling and jigs: Ensure specialist tooling is insured and valued correctly.
• Defective workmanship: The cost to fix your own faulty work is often excluded unless you buy specific extensions.

What insurers will ask (and how to prepare)

Underwriters typically want evidence that you can control quality and manage risk. Expect questions about:

• What you make: part types, materials, and end use
• Customers and contracts: OEM/Tier 1/Tier 2, key contract terms, required limits
• Quality systems: ISO 9001/AS9100, audit history, non-conformance rates
• Traceability: batch/serial control, documentation retention
• Testing and inspection: NDT, calibration schedules, sign-off authority
• Change control: engineering change process and approvals
• Supplier management: vetting, incoming inspection, dual sourcing
• Claims history: incidents, near misses, rejected batches
• Risk management: H&S policies, fire protection, housekeeping, hot works permits

A well-prepared submission can improve pricing and broaden cover.

Typical insurance requirements in aviation supply contracts

Many supply agreements specify:

• Minimum Products Liability limits
• Named insured wording and evidence of cover
• Additional insured requirements
• Waiver of subrogation
• Notice periods for cancellation

Always check whether the contract asks for cover that your current policy does not provide. It’s cheaper to fix wording upfront than to discover a gap after a claim.

How to choose limits and structure

There isn’t a one-size-fits-all answer, but a practical approach is:

• Start with customer contract requirements (minimum limits)
• Consider worst-case scenarios: batch recall, grounding costs, and legal defence
• Factor in your turnover, margins, and cash reserves
• Review aggregation: one defect can trigger multiple claims

Also consider whether you need a single combined limit or separate limits for PL/Products/PI.

Risk reduction steps that can lower premiums

Insurers often reward visible, documented controls. Practical improvements include:

• Formal non-conformance and corrective action process
• Documented calibration and maintenance schedules
• Batch segregation and clear labelling
• Supplier approval and periodic audits
• Fire risk assessment updates and housekeeping routines
• Secure storage for high-value stock
• Cyber basics: MFA, backups, patching, staff training

Even small operational changes can improve your risk profile.

Claims examples (realistic scenarios)

• Rejected batch: A tolerance issue is found during customer inspection. Costs include rework, expedited shipping, and potential contractual penalties.
• Downstream damage: A component fails and damages surrounding equipment. Products Liability may respond depending on cause and wording.
• Factory fire: Stock and tooling are destroyed. Property and Business Interruption cover can be the difference between recovery and closure.
• Cyber disruption: Ransomware halts production and delays deliveries. Cyber BI and incident response services can help you recover faster.

How Insure24 can help

Insure24 arranges commercial insurance for UK businesses, including specialist manufacturing risks. If you manufacture commercial aircraft components, we can help you:

• Identify the covers you actually need (and the common gaps)
• Present your risk clearly to insurers
• Align your policy wording with your customer contract requirements
• Put the right limits in place for your turnover and exposures

Call to action

If you’d like a quote or a quick review of your current cover, speak to our team.

• Call: 0330 127 2333
• Visit: https://www.insure24.co.uk/

FAQs

Do I need aviation-specific insurance to manufacture aircraft components?

Not always a separate “aviation policy”, but you do need confirmation that your Products Liability and related covers include aviation risks. Many standard policies exclude aviation unless specifically agreed.

What’s the difference between Products Liability and Professional Indemnity?

Products Liability typically covers injury or property damage caused by your product. Professional Indemnity covers financial loss caused by negligence in design, specification, or professional advice.

Will insurance cover the cost of recalling parts?

Standard liability insurance may not cover recall and replacement costs. Product Recall or Product Rectification cover is designed for those expenses.

How much Products Liability limit do I need?

Start with your customer contract requirements, then consider realistic worst-case scenarios and your ability to absorb costs. Your broker can help model a sensible limit.

Do I need cover for tooling and jigs?

If you rely on specialist tooling, it should be included under your property policy with correct values. Some tooling may need specific listing.

Can Business Interruption cover delays caused by machinery breakdown?

Standard BI usually requires insured property damage. Machinery Breakdown cover can sometimes be paired with BI-style extensions for breakdown events.

Does cyber insurance matter if we don’t store much customer data?

Yes. Cyber risk is often about operational disruption and ransomware, not just data theft. Manufacturers can be targeted because downtime is expensive.

How can I reduce premiums?

Demonstrate strong quality control, traceability, documented processes, good housekeeping and fire protection, and basic cyber security. Clear documentation helps underwriters price more confidently.