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Performance-Based Logistics (PBL) for Fighter Aircraft: PSA Structure and Key Elements

PBL Product Support Arrangement: Fighter Aircraft Sustainment

A Performance-Based Logistics (PBL) Product Support Arrangement (PSA) with the Prime Vendor OEM shifts focus from transactional support (parts/repairs) to guaranteed outcomes (availability, mission capability).

Core PSA Elements

1. Performance Metrics (KPIs)

  • Aircraft Availability (Ao) / Mission Capable (MC) rate.
  • Mean Time Between Failures (MTBF) / Mean Time To Repair (MTTR).
  • Sortie Generation Rate / Fully Mission Capable (FMC) hours.
  • Supply Chain: Order Fill Rate, Pipeline Time, Cannibalization Rate.
  • Cost per Flying Hour (CPFH) / Total Ownership Cost.

2. Availability and Maintenance Commitment

  • OEM provides/maintains: on-site maintenance teams, field service representatives.
  • Depot-level repair management (organic or contractor).
  • Scheduled/unscheduled maintenance planning integrated with flying program.
  • Training: maintainer certification, technology refresh.

3. Comprehensive Logistics Support

  • Inventory management: Vendor Managed Inventory (VMI), Consignment Stock.
  • Parts distribution: Forward Operating Locations, Strategic Distribution Hubs.
  • Transportation: Priority shipping, AOG (Aircraft on Ground) response <4h.
  • Technical data & engineering authority: OEM retains design authority.

4. Contractor Performance Management

  • Monthly/quarterly Performance Review Meetings (PRMs).
  • Integrated Master Schedule (IMS) tracking.
  • Earned Value Management (EVM) for cost/schedule.
  • Root Cause Analysis (RCA) for metric misses; Corrective Action Requests (CARs).

5. Risk Allocation and Liability

  • OEM warrants design, manufacturing, performance.
  • Customer warrants: accurate requirements, facility readiness, funding.
  • Force majeure, government delay, GFE/GFI clauses.
  • Liability caps, intellectual property protections.

6. Financial Mechanism

  • Availability-based payments: Pay for outcomes (MC hours), not parts/labor.
  • Fixed price + incentive/penalty bands.
  • Economic Price Adjustment (EPA) for inflation.
  • Progress payments tied to milestones (not just delivery).

7. Incentives and Penalties

  • Incentive fees for exceeding MC targets, reducing CPFH.
  • Liquidated damages / fee reduction for sustained shortfalls.
  • Gain-sharing on cost savings (e.g., reliability improvements).

8. Data and Analytics

  • Health and Usage Monitoring Systems (HUMS) data rights.
  • Predictive maintenance: PHM (Prognostics Health Management).
  • Common data environment (CDE) for customer/OEM transparency.

9. Technology Insertion

  • Engineering Change Proposals (ECPs) for capability upgrades.
  • Obsolescence management (DMSMS).
  • Block upgrade integration schedule.

10. Contract Duration and Renewal

  • Typical: 5–10 years base + options.
  • Renewal criteria: sustained performance, technology refresh, affordability.

11. Transition Plan

  • Knowledge transfer, data migration, workforce transition.
  • Parallel run period; risk mitigation for readiness dip.

12. Dispute Resolution

  • Tiered: PRM → Senior Management → Mediation → Arbitration/Litigation.
  • Government: Contract Disputes Act; FAR clauses.

Strategic Value

PBL aligns OEM incentives with warfighter readiness. Success requires clear metrics, data sharing, trust, and long-term partnership—not just a contract vehicle.

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