What Pacific Propeller International does

Pacific Propeller International (PPI) is a privately held aircraft propeller maintenance, repair, and overhaul (MRO) specialist headquartered in Kent, Washington, and a wholly-owned subsidiary of Precision Aerospace Products (PAP). Founded circa 1953, PPI operates a 64,000 square foot facility and is the only commercially licensed OEM repair station for the Hamilton Standard 54H60 propeller system used on C-130 Hercules and P-3 Orion aircraft worldwide. The company holds FAA Part 145, EASA Part 145, ISO 9001:2015, and AS9100 certifications, is the sole USAF/Navy "Approved Source" for new 54H60 Technical Order overhaul requirements, and manufactures propeller blades under OEM license (over 30,000 blades produced to date) using proprietary automated processes including robotic shotpeening, 5-axis blade grinding, taper bore reaming, and the only FAA/USN/USAF-certified cold roll procedure.

PPI generates revenue across five primary streams: (1) depot-level propeller MRO services for military and commercial operators; (2) OEM-licensed new blade manufacturing (notably the 54H60-77/7121 series); (3) Foreign Military Sales (FMS) program contracts, anchored by a sole-source five-year $74 million USAF contract for global C-130 54H60 overhaul; (4) parts and components sales; and (5) training and turnkey backshop setup services delivered through its affiliate PPI Technical Services (PPITS). Customers are concentrated in US and allied government/defense — USAF, US Navy, US Coast Guard, NOAA (Hurricane Hunter WP-3D), and foreign military C-130 operators — with secondary commercial work on ATR, Dash 8, Saab 340, Casa 212, Electra L188, and Convair 580 platforms via Dowty authorization.

PPI's go-to-market is enterprise field sales: dedicated military and FMS sales managers, direct engagement with FMS country managers, and participation in defense trade shows (Dubai Airshow, Singapore Airshow, World Defense Show, Hercules Operator Conference, P-3 IOSC) and its annual Engineering Seminar. Services are delivered firm fixed price on government contracts, with two complete production lines enabling turnaround as fast as two weeks for urgent requirements. The business is owned by private holding company PAP, which also owns C&S Propeller (Fort Worth) and PPITS, and has grown through OEM licensing, engineering partnerships (e.g., IAC in 2021), and capability expansions rather than external capital raises.

Name

Pacific Propeller International

Legal name

Pacific Propeller International, LLC

Website

https://pacprop.com

Company type

Private

Founded year

1953

Operating status

Operating

Short description

Pacific Propeller International is the only OEM-licensed independent MRO facility for the Hamilton Standard 54H60 propeller system used on C-130 Hercules and P-3 Orion military aircraft, serving US armed forces, allied militaries, and government agencies with propeller overhaul, blade manufacturing, and turnkey maintenance services.

Ownership category

akta.pro rank

Product category

Aircraft Propeller MRO Services

NAICS

Electronic and Precision Equipment Repair and Maintenance (811210), Electronic and Precision Equipment Repair and Maintenance (81121)

SIC

Aircraft Parts & Auxiliary Equipment, Nec (3728), Aircraft & Parts (3720), Aircraft Engines & Engine Parts (3724)

akta.pro primary industry

Military Aircraft MRO & Depot Maintenance (IMABALAN)

akta.pro secondary industries

Commercial Airframe MRO (Heavy Checks & Structural) (IMABALAA), Aircraft Engine MRO (Overhaul, Repair, Test Cell) (TLAKAJAB)

Keywords

• Aircraft propeller MRO
• Propeller overhaul services
• Propeller blade manufacturing
• Military aircraft maintenance
• Propeller system repair

Headquarters

HQ city

Kent

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Supply Chain, Operations, Infrastructure, Technology or R&D

Revenue model

1. Propeller MRO Services: Core revenue stream from repair, overhaul, and maintenance services for aircraft propeller systems including inspection, repair, overhaul, transportation, and modification. Services provided under FAA Part 145 and EASA Part 145 certifications.
2. Propeller Blade Manufacturing: Manufacturing of new propeller blades (54H60-77/7121 series) under OEM licenses. Over 30,000 blades manufactured historically.
3. FMS Program Contracts: Five-year Foreign Military Sales contract with US Air Force for C-130 54H60 propeller overhaul (Contract# FA8553-23-D-0002), valued at $74 million. Includes firm fixed pricing for depot-level maintenance.
4. Training & Technical Services: Technical training programs (54H60 technician training, theory and operation courses, NDT/NDI training) and field service support provided through PPI Technical Services.
5. Backshop Setup Services: Setup and establishment of turnkey maintenance back shops for customers, including equipment sourcing, facility construction, and technical training through PPITS.
6. Parts & Components Sales: Complete parts inventory for propeller systems including blade assemblies, barrel assemblies, pitchlock regulators, valve housings, spinners, and other subcomponents.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Pacific Propeller International (PPI) provides aircraft propeller maintenance, repair, and overhaul (MRO) services for military transport and regional/commercial aircraft, specializing in the Hamilton Standard 54H60 propeller system used on C-130 Hercules and P-3 Orion aircraft. PPI is the only commercially licensed repair station for the 54H60 system and also manufactures new propeller blades under OEM licenses, having produced more than 30,000 blades historically. The company operates from a 64,000 square foot MRO facility in Kent, Washington, supported by affiliated PPITS training and backshop setup services.

Product overview

Pacific Propeller International operates as a unified MRO platform offering comprehensive propeller system services. The core offering centers on 54H60 Hamilton Standard propeller overhaul and repair for C-130 Hercules and P-3 Orion aircraft, supported by Propeller Control Unit (PCU) services, Dowty propeller authorized services for regional aircraft, and C-130 brake system MRO. The PPI Technical Services (PPITS) subsidiary provides complementary training and backshop setup services, while the FMS Program enables exclusive global 54H60 overhaul services for foreign military customers. Additional capabilities include electric motor services and aero propeller OEM services for Electra L188 and Convair 580 aircraft.

Differentiator

Problem solved

Functional benefit

Products and services

• 54H60 Propeller System MRO Services
• Propeller Blade Manufacturing
• Propeller Control Unit (PCU) Services
• Aero Propeller Services (A6441FN-606)
• Dowty Propeller Authorized Services
• C-130 Hercules Brake System MRO
• Electric Motor Testing, Repair and Overhaul
• PPI Technical Services (PPITS) Training and Backshop Setup
• FMS Program (Foreign Military Sales)

Quantifiable outcome

• Return overhauled propellers to service in as little as two weeks for urgent requirements
• +3 more outcomes

Named customers7 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Eight partnerships are on record, tiered major, core and minor.

• Philippine Aerospace Development Corporation (PADC)majorStrategic or Co-development Partner · 15 December 2022MOU agreement signed December 2022 to create collaborative relationship combining respective areas of expertise for potential military and civilian aviation and aerospace projects. PADC established in 1973 as government's arm for Philippine aviation industry development.
• International Aviation Composites (IAC)coreStrategic or Co-development Partner · 1 October 2021Strategic Teaming Agreement signed in October 2021 focused on expanding PAP's core business in propeller blade overhauls and repairs. IAC's engineering team integrated with PAP, bringing over 100 years of cumulative engineering experience. Partnership opens doors to cutting-edge rotor aircraft blade repairs and advanced engineering support.
• Dowty PropellersmajorOEM/ Whitelabel/ Licensing Partner · 1 January 2019PPI selected as Dowty authorized repair and overhaul facility for metal-bladed propellers on CASA 212 (R334), Jetstream 31 (R333), Merlin (R324), and Metro/Merlin aircraft (R321). Dowty provides training, technical data, equipment, and ongoing engineering support.
• UTC Aerospace Systems (UTAS)coreOEM/ Whitelabel/ Licensing Partner · 1 October 2016PPI designated as primary repair and overhaul center for 54H60 propeller system worldwide. UTAS Maastricht facility transferred all tools, equipment, and technical publications to PPI's Kent, Washington facility. This landmark agreement made PPI the exclusive 54H60 MRO outside OEM facilities.
• Collins AerospacecoreTechnology or Integration · 1 January 2016Current OEM licensor for Hamilton Standard 54H60 propeller system. PPI maintains licensing agreement and technical support relationship for 54H60 T.O. overhaul requirements.
• PPI Technical Services (PPITS)coreOthers · 1 January 2010Affiliate company providing aerospace capabilities through establishment of maintenance repair and overhaul facilities, training, and equipment sourcing. Emerged from PPI in 2011 as fully independent entity.
• C&S PropellerminorOthers · 1 January 2010Affiliate company based in Fort Worth, Texas, part of Precision Aerospace Products group. Provides additional propeller MRO capabilities.
• Precision Aerospace Products (PAP)coreOthers · 1 January 2004Parent company of Pacific Propeller International. Formed in 2004, PAP owns PPI, C&S Propeller (Fort Worth, Texas), and PPI Technical Services. Provides strategic oversight and coordinates group capabilities.

Scale indicators6 records

Recent moves15 records

Expansion highlights6 records

Direct peers

• StandardAero: One of the world's largest independent aerospace MRO providers, offering propeller, engine, and component MRO services across military and commercial platforms. Directly comparable to PPI in independent MRO business model and government/military customer mix.
• Chromalloy (AeroSafe Holdings): Independent provider of aerospace MRO and engineered component services for engine and airframe components, with extensive military aftermarket exposure. Directly comparable to PPI in independent MRO model serving military and commercial operators with proprietary parts and repair capabilities.
• Dowty Propellers (GE Aerospace): OEM manufacturer and authorized MRO provider for propeller systems on military transport aircraft including the R391 used on C-130J. Comparable to PPI as both a propeller OEM/authorized MRO and existing business partner (PPI is a Dowty authorized facility for CASA, Jetstream, Merlin, and Metro platforms).
• Vector Aerospace (StandardAero subsidiary): Helicopter and turboprop engine/component MRO specialist, now part of StandardAero, with deep military rotorcraft and transport aircraft exposure. Comparable to PPI in independent MRO for propeller-driven military platforms with similar customer concentration in defense ministries and allied operators.

Broad incumbents

• AAR Corp: Diversified aerospace aftermarket services provider offering MRO, parts, and integrated solutions with significant US Department of Defense exposure. Comparable to PPI as a public-market analog for independent military aviation MRO, though operating at much larger scale and broader scope.
• Collins Aerospace (RTX): OEM of the Hamilton Standard 54H60 propeller system and current licensor to PPI. As the OEM counterpart to PPI's independent MRO position, Collins provides a relevant benchmark for the underlying product economics and licensing structure governing PPI's exclusive 54H60 overhaul authorization.
• Lufthansa Technik: One of the world's largest independent MRO providers serving commercial, business, and military aviation customers globally. Comparable to PPI as a large-scale independent MRO with multi-certification capabilities (FAA, EASA, military approvals) and global customer footprint.
• Pratt & Whitney Military Engines MRO: OEM and depot-level MRO provider for military and commercial engine systems. While focused on engines rather than propellers, Pratt & Whitney's military MRO model — including sole-source depot contracts with USAF and USN — provides a relevant structural comparison to PPI's exclusive FMS MRO position.

Emerging players

• Magnetic MRO: Independent MRO provider offering line maintenance, base maintenance, engine MRO, and component MRO with growth in military and regional aviation segments. Comparable to PPI as an independent MRO operator with government and military customer exposure, though at smaller scale and broader geographic focus.

Regional players

• SIA Engineering Company: Asia-Pacific focused independent MRO provider serving commercial and military operators with broad component and airframe MRO capabilities. Comparable to PPI as an independent MRO with military customer base, though geographically concentrated in Asia-Pacific rather than North America/global FMS.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/pacific-propeller-international

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Pacific Propeller International