Our Companies
PAG Engine Services – Rock Hill, SC
AVIONICS – COMPONENTS – ENGINES – MANUFACTURING/DER
Maintenance, Repair, Overhaul (MRO) Services
PAG is dedicated to keeping mission critical, business, military, and defense operators in the air.
Rely on PAG for:
- Fixed- and rotor-wing MRO services
- Immediate customer access to flight-ready parts
- Unmatched supply chain solutions worldwide
- Before and after support included with every sale and service
- Around the world and around the clock availability
Tag Aero (TAG)
PAG’s Rock Hill location specializes in buying, selling, and servicing Auxiliary Power Units (APUs).
Due to its attention to technical detail and prompt customer service, within two years from TAG’s opening in 2012, the company grew over 4,000%.
Today, TAG is the go-to name in APUs aviation operators depend on to provide industry leading sales and exchange support, and top-level Maintenance, Repair, and Overhaul (MRO) services.
Buying APUs
We stock a variety of APU models to meet your aircraft requirements.
Models include:
- APS2000
- APS3200
- GTCP131-9A
- GTCP131-9B
- GTCP331-200ER
- GTCP331-350C
- GTCP36-280D
- GTCP36-300
- GTCP36-300D
- GTCP85-129H

Selling APUs
If you’re looking to sell your APU, then you are in the right place. TAG Aero purchases more APU’s than any other independent company and has a world renowned reputation for our quick and easy APU purchases.
Step 1
Share your APU information with us.
Don’t worry about sending us all the documents, as we don’t need them just yet. All we require from you at this stage is the following information:
You can either use the link or email APU@tag.aero.
For Serviceable APUs:
Non-incident statement
Current release (8130)
Shop visit report
LLP summary, if applicable
Borescope, if available
Location
For As Removed APUs:
Non-incident statement
Last-shop visit report
LLP Summary, if applicable
Borescope, if available
Reason for removal
Location
Step 2
We make an offer.
Once we review the submitted data, we can have a cash offer to you in as little as 24 hours or less. Our offers are clear and concise, and based on market conditions and asset history.
Step 3
We complete the final
tech review.
This is where the TAG acquisition team does an in-depth review on the paperwork just to make sure nothing is missing. Don’t worry—the team will advise you on all the documents needed to make it nice and easy for you.
Step 4
After approvals, you get paid and we arrange collection.
Once the APU has been reviewed, approved and price agreed, you will get paid and we arrange collection. It’s that simple.
Trusted APU Solutions
As OEM-authorized partners, we provide extensive APU repair solutions, including:
- Comprehensive APU trading and Maintenance, Repair, and Overhaul (MRO) services for various aircraft.
- Specialized MRO capabilities for business jets and military applications.
- Robust inventory of APU components and Line Replaceable Units (LRUs) to meet stringent safety and performance standards.
Delivering Value
Our APU services deliver exceptional value by providing a tailored experience for diverse aircraft operators, from business aviation to commercial sectors. We focus on:
- Total Cost Effectiveness, ensuring competitive pricing while maintaining high-quality standards.
- Minimization of downtime with quick turnaround times for repairs and access to smart parts solutions.
We specialize in a variety of APU services, including:
- APU installations
- APU maintenance and repairs
- APU overhaul services
- Component exchanges
- Life Cycle Failure (LCF) replacements
- Life Limited Parts (LLP) replacements
Our in-house capabilities for APU component overhaul and repair ensure that we deliver OEM-authorized services for various APU models, including Honeywell GTCP models. We understand when overhauls are necessary to optimize safety and performance, ensuring aircraft operate at their best.
Uninterrupted Service
and AOG Support
To support uninterrupted service, we maintain an availability of replacement APU components, minimizing disruptions to aircraft operations. Our Aircraft on Ground (AOG) services enable us to handle emergency APU repairs swiftly, ensuring that our clients experience minimal operational downtime.
Comprehensive APU Repair & Maintenance for Aircraft Needs
We offer a range of comprehensive auxiliary power unit services designed to ensure reliable auxiliary power for various aircraft operations. Our commitment to quality and customer satisfaction is reflected in our impressive growth statistics and positive feedback from clients, demonstrating our dedication to dependable service.
- Fuel Controls
- Lube Pumps
- Surge Valves
- Load Control Valves
- Starters
- Cooling Fans
- Oil Coolers
- Transducers
- Wiring Harnesses
MRO Services
Our MRO advantage is driven by our aggressive trading activities. By purchasing hundreds of APUs every year, we ensure piece part availability for
MRO customers APU’s. With a vast inventory of APU LRUs, we keep your repair moving:
Advanced Testing and Quality Assurance
Quality assurance is paramount at TAG Aero. Three state of the art Test Cells provide redundancy to ensure on time delivery.
We employ extensive testing processes for all overhauled APU components to guarantee their reliability. Each component undergoes rigorous testing to meet FAA standards and safety performance benchmarks.

Market Reach and Partnerships
Our market reach is enhanced by strategic partnerships with industry leaders, including C&L Aerospace and Duncan Aviation. These collaborations allow us to expand our service offerings and enhance our market presence, ensuring that we remain a trusted full-service facilities provider in the aviation industry.
Asset Recovery and Smart Services
In addition, our asset recovery services offer peace of mind during the aircraft acquisition process, allowing clients to focus on their operational needs.
Our smart services are tailored to meet client requirements by optimizing efficiency and supporting effective aircraft operations.
FAA & EASA Approved
PAG repair stations are certified by FAA, EASA, Transport Canada, ANAC, and CASA Authorities.
Global Company Resources
Customer support for PAG Parts and MRO services worldwide.
Contact us for Immediate access to PAG’s flight-ready parts inventory.
PAG Certified Parts
Access our global inventory of Avionics, Component, and Engine
flight-ready spares.

Customers Always Have a Choice
Meet Chap Barrier, Vice President of Sales, TAG AERO
“TAG is a world leader in inventory availability. But customers always have a choice, so we work to make things as simple and fast as we can. My primary role is making sure they see TAG as their best choice for Auxiliary Power Unit (APU) sales, leasing, and trading.
Making it Easy for Customers to Depend on Us
Meet Brandon Godwin, General Manager, TAG AERO
Growing up in Marshville, NC, Brandon knew that he wanted to be a part of aviation, helping to keep aircraft safely in the air. In 2004 with a BA in Finance (University of North Carolina-Charlotte), his career began as a Finance Accountant for Goodrich Corporation (now Collins Aerospace).

APUs: Little Engines That Could (But Prefer to Work Behind the Scenes)
While parked on the ground, fixed- and rotary-wing aircraft rely on Auxiliary Power Units (APUs) to start and power aircraft systems without taking the aircraft into the sky. APUs are fully capable small engines that could, if needed, assist with crucial functions during flight.
Read More
Local Contact Information
Address
1247 Apex Drive
Rock Hill, SC 29730
Phone
+1 803.831.9390
APU@TAG.aero
Fax
+1 803.831.2573