White Ladder Aviation

FAA Part 145 Repair Station  /  Skiatook, Oklahoma

Inspected.
Documented.
Proven.

White Ladder Aviation delivers high-integrity non-destructive testing (NDT) and specialized inspection of aircraft accessory components. Founded by a multigenerational aviation family with more than five decades of combined maintenance and inspection experience.

ASTM E1417ASTM E165NAS 41014 CFR PART 145
50+Years combined experience
Part 145FAA quality system
FastPredictable turnaround
DirectAccess to technicians
SEC 01

Services

Nondestructive testing performed in accordance with ASTM E1417, ASTM E165, NAS 410, and FAA 14 CFR Part 145 requirements.

NDT / METHOD 01AVAILABLE NOW

Penetrant Testing (PT)

Fluorescent liquid penetrant inspection for aircraft accessory components. Detects surface-breaking discontinuities such as cracks, porosity, laps, and seams on non-porous metallic parts.

NDT / METHOD 02PENDING FAA APPROVAL

Magnetic Particle Testing (MT)

Wet horizontal bench and handheld yoke inspection to detect surface and slightly subsurface discontinuities in ferromagnetic aircraft parts.

ACCESSORY / FUNCTIONALAVAILABLE NOW

Functional Testing

Thermal, pressure, and environmental control units evaluated on calibrated LR Cal functional test equipment with OEM-aligned procedures.

PT PROCESS CONTROLSPER ASTM E1417
Level 2 qualified NDT personnelVERIFIED
Controlled dwell, emulsification, and development timesVERIFIED
Calibrated equipment and environmental controlsVERIFIED
Reporting with digital images and serial-number traceabilityVERIFIED
Magnetic particle testing capabilityPENDING FAA
SEC 02

Capabilities and Limits

Stated plainly, because accurate scope is part of accurate inspection.

ParameterCapability
MaterialsMetallic alloys only, ferrous and non-ferrous
Part sizeBench-top components, generally up to 18 to 24 inches depending on geometry
ProcessesPenetrant testing per ASTM E1417 and company procedures. Magnetic particle testing pending FAA approval of the added capability.
FacilityDedicated 1,500 sq. ft. inspection and testing facility in Skiatook, Oklahoma, with a controlled-environment fluorescent penetrant booth, calibrated UV-A lighting, precision temperature-control oven, and segregated parts storage
SEC 03

The White Ladder Difference

01

Deep hands-on aviation maintenance experience

Built by a team with more than 50 years of real-world aircraft maintenance, inspection, and quality experience. We understand the operational impact of every part we inspect.

02

Precision with a disciplined quality focus

Processes built around accuracy, traceability, calibrated equipment, and consistent documentation. Results that operators and MROs can rely on without question.

03

Fast, dependable turnaround

A right-sized repair station with a streamlined workflow, delivering fast, predictable results without sacrificing quality or compliance.

04

Specialized accessory component expertise

Focused on thermal, pressure, and environmental control units. Targeted inspection and functional testing that complements MRO capabilities rather than competing with them.

05

Customer-focused service and communication

Clear updates, accurate reporting, and responsive communication. Customers get direct access to knowledgeable technicians, not layers of administrative delay.

SEC 04

Who We Support

Customers

Operators / Part 91, 121, 135MROs and repair stationsComponent shopsParts brokers and stockistsTeardown and surplus suppliersOil and gas suppliers

Aircraft categories

General aviationBusiness and corporateRegional and commercial transportRotorcraftSpecialty and industrial

Typical use cases

Initial inspectionsOverhaul and repair cyclesDamage evaluationTroubleshooting supportAcceptance inspections
SEC 05

Leadership

Jerry Ridenour

Operations Manager / Lead NDT Inspector

Nearly four decades in aviation maintenance, inspection, and nondestructive testing. Jerry leads WLA's quality system and NDT program with a methodical, detail-driven approach that sets the technical foundation for the repair station.

Dugan Ridenour

Chief Inspector / Quality Manager

An A&P-certificated mechanic with a strong background in aircraft maintenance and component inspection. His additional medical training as a Physician Assistant brings a unique focus on precision, process discipline, and technical documentation.

SEC 06

Request a Quote

Call or email with the part number, a short description, and your required turn time. You will hear back from a technician, not a call center.

Repair Station Facility

9533 W. Rogers Blvd.
Skiatook, OK 74070

Business and Mailing Office

1820 S. Boulder Ave., Suite 300
Tulsa, OK 74119