PT6A Engine TBO Extension – MORE STC Program
Extend engine life to 8000 hours with FAA-approved MORE STC programs supported by expert inspections and maintenance. Request MORE Program ConsultationContact UsThe MORE STC program utilizes an enhanced maintenance methodology focused on early detection and correction of potential issues—allowing operators to safely extend engine life while reducing maintenance costs.
Through Aircraft TurbineWorks, operators receive the required inspections, evaluations, and ongoing maintenance support necessary to participate in and maintain compliance with the MORE program.
This program is available for private, commercial, and military aircraft, and the STC is fully transferable—adding long-term value to your aircraft.
FAA-Approved MORE STC Program
MORE Company, Inc. provides eight FAA-approved Supplemental Type Certificates (STCs) for specific PT6A engine models.
These STCs are designed to:
- Extend engine TBO to 8000 hours
- Improve engine reliability
- Enhance operational safety
- Reduce total cost of ownership
Extended TBO Without Fixed Hot Section Interval
Unlike traditional maintenance programs, the MORE STC:
- Eliminates fixed hourly hot section intervals
- Uses condition-based maintenance
- Focuses on real-time engine health monitoring
This approach allows operators to maximize engine utilization without unnecessary maintenance events.
Transferable STC Value
The MORE STC is:
- Fully transferable between owners
- Applicable across private, commercial, and military operations
- A value-added asset for aircraft resale
Aircraft TurbineWorks MORE Program Support
Aircraft TurbineWorks provides the inspection, evaluation, and maintenance services required to enroll in and maintain compliance with the MORE program.
More Program Process & Requirements
Initial Engine Evaluation & Qualification
Before entering the MORE program, Aircraft TurbineWorks performs a comprehensive engine evaluation to determine eligibility.
This includes:
- Engine condition assessment
- Maintenance history review
- Initial borescope inspection
- Performance evaluation
Preventative Maintenance Approach
The MORE program relies on proactive maintenance, not reactive repairs.
Aircraft TurbineWorks supports this with:
- Scheduled inspection intervals
- Condition-based maintenance decisions
- Early-stage issue correction
- Reduced risk of major failures
Required Inspections & Ongoing Monitoring
To maintain compliance with the MORE STC program, Aircraft TurbineWorks performs required inspections including:
Borescope Inspections
- Internal inspection of engine components
- Early detection of wear, cracks, or damage
Vibration Analysis
- Monitoring engine balance and performance
- Identifying irregularities before failure occurs
Engine Performance Monitoring
- Tracking engine trends over time
- Identifying efficiency loss or developing issues
Maintenance Documentation & Compliance
We ensure full compliance with MORE STC requirements through:
- Detailed inspection records
- Maintenance tracking
- Documentation for FAA and operational needs
- Ongoing program compliance support
FAA & STC-Compliant Engine Maintenance
All MORE program services are performed in accordance with:
- FAA regulations
- MORE Company STC requirements
- Pratt & Whitney PT6A guidelines
- Approved inspection and maintenance procedures
Aircraft TurbineWorks ensures:
- Proper documentation for audits and records
- Compliance with inspection intervals
- Coordination with approved repair stations when necessary
WHY THE MORE PROGRAM MATTERS
The MORE STC program provides significant advantages for aircraft operators:
- Extended engine life up to 8000 hours
- Reduced overhaul frequency
- Lower long-term operating costs
- Improved reliability and safety
- Increased aircraft value through transferable STC
By focusing on early detection and preventative maintenance, the program helps operators avoid costly downtime and unexpected failures.
Extend Engine Life. Reduce Costs. Improve Reliability.
Aircraft TurbineWorks provides the expertise and inspections required to successfully implement and maintain the MORE STC program.
Frequently Asked Questions
What is the MORE STC program?
The MORE program is an FAA-approved Supplemental Type Certificate that extends PT6A engine TBO up to 8000 hours using enhanced maintenance practices.
What engines qualify for the MORE program?
The program applies to specific models of Pratt & Whitney PT6A engines.
Does the MORE program eliminate hot section inspections?
It removes fixed interval requirements and replaces them with condition-based inspections.
What inspections are required for the MORE program?
Required inspections include borescope inspections, vibration analysis, and performance monitoring.
Is the MORE STC transferable?
Yes. The STC is fully transferable and adds value to the aircraft.
Aircraft Turbine Works LLC.
We Offer Turbine Engine Repair, Hot Section Inspections, Phase Inspections, Pre-Purchase Evaluations, Including 100 Hour, and Regular Maintenance on Most Aircraft.