Roger Wilco: Unmatched Excellence for Experimental Aircraft Parts and Avionics
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Introduction to Experimental Aircraft Needs
Building and upgrading an amateur‑built airplane demands parts and avionics that deliver reliability without sacrificing flexibility. Unlike type‑certificated platforms, experimental projects evolve as you learn, which makes compatibility, documentation, and support just as important as performance. The right experimental aircraft parts should integrate cleanly, survive heat and vibration, and leave room for future sensors or displays as your mission changes.
Avionics for experimental aircraft often center on an integrated flight deck with engine monitoring, autopilot, and ADS‑B. Many builders pair an EFIS with a remote transponder, GPS navigator, and audio panel, then expand with servos and magnetometers. For example, a G3X‑class display tied to an ADAHRS, engine interface, and servos gives you synthetic vision, precise lateral/vertical guidance, and full EGT/CHT, fuel flow, and electrical monitoring. Adding a compatible IFR GPS and ADS‑B Out/In brings approach capability and traffic/weather to the panel. Success hinges on using proven aircraft experimental components—quality coax, Tefzel wiring, shielded audio cable, D‑sub contacts, circuit protection, and well‑documented connectors.
Airframe and engine needs are just as specific. Builders rely on custom aircraft parts such as antenna doublers, pitot‑static probes, servo brackets, and sensor adapters that fit unique installations. Homebuilt aircraft parts like fuel senders, temperature probes, and mount hardware must match thread types and signal ranges to avoid calibration headaches later.
Precision tools and verification matter. Specialized Papa‑Alpha tools help achieve repeatable crimps, coax terminations, and pin extractions that prevent intermittent faults. Calibration certification for torque wrenches and measurement equipment safeguards engine work, control system rigging, and pitot‑static accuracy.
Key considerations when selecting experimental plane upgrades:
- Interface standards (CAN, RS‑232, ARINC 429) and cross‑vendor compatibility
- Weight, current draw, and thermal load
- Environmental resilience (vibration, moisture, EMI)
- Serviceability: access for inspection and replacement
- Installation documentation, wiring diagrams, and labeling
- Regulatory outcomes like ADS‑B compliance and IFR capability
- Upgrade paths to additional displays, autopilot axes, or sensors
Roger Wilco Aviation Services supports these needs with curated experimental aircraft parts, Garmin solutions, avionics accessories, financing options, and tool calibration services that help you build confidently and fly safely.
Roger Wilco's Extensive Experimental Parts Selection
Roger Wilco Aviation Services stocks a deep inventory of experimental aircraft parts to support first flights, panel builds, and incremental upgrades. From Garmin-based flight decks to the connectors, sensors, and tools that make them reliable, you’ll find the aircraft experimental components needed to design, assemble, and maintain a capable homebuilt.
For avionics for experimental aircraft, you can source complete systems or targeted modules. Builders outfit panels with EFIS displays, engine interface units, ADAHRS sensors, audio panels, COM radios, GPS navigators, transponders, ADS-B solutions, and autopilot servos—plus backup instruments for redundancy. Matching harness kits, breaker panels, and mounting trays keep installations clean and serviceable.
Beyond boxes and screens, Roger Wilco carries the small parts that determine long-term reliability. You’ll find:
- Wiring and RF: MIL‑spec wire, RG400 coax, shielded cable, D‑sub and Micro‑D connectors, crimp contacts, backshells, BNC/TNC connectors, heat-shrink, and cable management.
- Power and switching: circuit breakers, fuse blocks, switches, relays, contactors, and distribution hardware sized for experimental loads.
- Air data and engine: pitot probes (including heated), static ports, OAT sensors, MAP/oil/fuel pressure transducers, EGT/CHT probes, and fuel level senders compatible with popular EFIS/EIS modules.
- Antennas and accessories: VHF COM, GPS/WAAS, transponder, and ADS‑B antennas, grounding straps, and bonding hardware.
- Mounting and panel: trays, rack kits, grommets, pass‑throughs, and panel hardware for custom aircraft parts and tidy cable runs.
Garmin experimental solutions are a core strength. Builders commonly pair glass displays with engine monitoring, magnetometers, and a modern ADS‑B Out transponder for situational awareness and compliance—ideal for experimental plane upgrades that add capability without unnecessary weight. Roger Wilco also offers avionics accessories that streamline integration and reduce installation time.
Precision matters when you’re assembling homebuilt aircraft parts. Specialized Papa‑Alpha tools for coax, crimp, and pin extraction help you meet spec, and Tool Calibration Certification keeps critical tools within tolerance for repeatable terminations and measurements.
To help manage build budgets, Aircraft Repair & Avionics Financing is available for major purchases, allowing you to phase high‑value upgrades as your project progresses. Combine components, sensors, accessories, and calibrated tools in one order for a cohesive, documented parts stack from a single, aviation‑focused source.
Why Quality Matters for Experimental Aircraft
Building or maintaining a one-off airframe demands more than improvisation. The quality of experimental aircraft parts directly determines reliability, workload in the cockpit, and the margin you carry when conditions change. In a vibration‑rich, electrically noisy environment, subpar hardware and wiring multiply failure points. That’s why choosing proven aircraft experimental components and vetted avionics for experimental aircraft is not optional—it’s foundational.
Low-grade connectors, for example, can loosen under vibration and create intermittent faults that look like software bugs. Poorly shielded coax introduces RFI that degrades COM clarity and GPS reception. Cheap pitot‑static fittings leak, skewing airspeed and altitude data. Even a bargain voltage regulator that allows bus sag will cascade into display reboots and autopilot dropouts. For homebuilt aircraft parts, the right materials and tolerances matter as much as the design.

What high-quality really buys you:
- Traceability and documentation: material certs, lot control, and clear TSO/non‑TSO status where applicable, plus DO‑160 environmental data when available.
- Precision fit and finish: brackets and housings that mount cleanly, reduce stress, and prevent fastener walk‑out.
- Electrical integrity: Tefzel wire, proper shielding, twisted pairs, and machined‑pin D‑Subs to minimize resistance and noise.
- Verified performance: calibrated instruments and tools, torque spec compliance, and test data that match installation manuals.
- Ongoing support: firmware updates, compatibility notes, and tech guidance when configurations change.
Integration is where quality pays off most. Pairing EFIS, GPS/WAAS, ADS‑B, and autopilot components from reputable brands ensures protocols (CAN, ARINC 429, RS‑232) align and sensor data is trusted. When custom aircraft parts like harnesses or servo brackets are executed to spec, you avoid nuisance faults and time‑consuming rework. The result is cleaner installs, lighter looms, and clearer troubleshooting.
Roger Wilco Aviation Services curates experimental plane upgrades with this rigor in mind. You’ll find Garmin retail solutions suitable for experimental platforms, avionics accessories built for proper shielding and strain relief, and specialized Papa‑Alpha tools that crimp, strip, and terminate to aviation standards. Their tool calibration certification keeps torque wrenches and meters within spec, and financing options help you phase upgrades without compromising on part quality.
For builders and pilots, quality isn’t an add‑on—it’s the simplest path to safer flights and fewer surprises.
Garmin Avionics for Experimental Aircraft Builders
Building an experimental or homebuilt aircraft demands avionics that are capable, configurable, and proven. Roger Wilco Aviation Services supplies Garmin’s experimental line alongside the essential experimental aircraft parts and aircraft experimental components you need to design a dependable panel from day one.
Garmin G3X Touch is the centerpiece for many builders. Available in 7-inch and 10.6-inch displays, it integrates seamlessly with:
- GSU 25 ADAHRS for attitude and air data
- GEA 24 for full engine indication (Lycoming, Continental, Rotax sensor kits available)
- GMC 507 autopilot controller and GSA 28 servos
- GAD 29 for ARINC 429 nav data
- GAD 13 OAT and other I/O modules
For IFR capability and ADS-B compliance, popular choices include the GNX 375 (WAAS GPS navigator with Mode S Extended Squitter transponder and ADS-B Out/In) or the GPS 175 paired with a transponder. Add a GMA 245 audio panel and GTR 200/200B com radio with Bluetooth for a clean, modern stack. Remote solutions such as the GTX 45R transponder keep the panel uncluttered and tie directly into G3X Touch. For portable ADS-B In and backup weather/traffic, GDL 50/52 units remain a convenient option.
Example package for a Van’s RV-7 or RV-14:
- Dual G3X Touch (10.6-inch PFD/MFD) with GSU 25 and backup battery
- GEA 24 EIS with complete probe kit for a four-cylinder Lycoming
- GNX 375 for WAAS IFR, ADS-B Out/In, and flight plan transfer via Connext
- GMA 245 audio panel and GTR 200B com
- GMC 507 plus dual GSA 28 servos for two-axis autopilot with level mode
- Garmin magnetometer, OAT probe, and approved pitot with AoA
Beyond avionics for experimental aircraft, Roger Wilco carries homebuilt aircraft parts and avionics accessories that simplify installation—antenna options, trays, circuit protection, panel hardware, and wiring necessities. Specialized Papa-Alpha tools and tool calibration certification help ensure precise crimps, coax terminations, and torque values that keep your system reliable. Financing options let you phase experimental plane upgrades without compromising your architecture.
Round out your cockpit with Garmin D2 aviation watches and compatible portables, and rely on our team for product selection guidance that fits your airframe, mission, and timeline—so your custom aircraft parts and avionics come together as a coherent, future-ready system.
Specialized Tools and Accessories for Homebuilt Projects
Homebuilders need more than a parts list—they need the right tools and accessories to install, test, and maintain systems with confidence. Roger Wilco Aviation Services curates experimental aircraft parts and purpose-built tooling so your wiring, avionics, and hardware go together cleanly the first time.
Precision matters at every termination. Our specialized Papa-Alpha tools are designed for repeatable, airworthy results, including ratcheting crimpers with interchangeable positioners for D-sub pins and sockets, coax prep and crimp kits for RG‑400 BNC/TNC connectors, and torque‑limiting screwdrivers for avionics fasteners. Pair them with calibrated test instruments and you’ll eliminate the guesswork that causes intermittent faults and rework.
Round out your bench with aircraft experimental components and installation supplies engineered for reliability:

- Shielded wire and Tefzel cable in common gauges for avionics looms
- D‑sub contacts, backshells, strain reliefs, and heat‑shrink boots
- Coax, bulkhead feed‑throughs, and doubler kits for antenna installs
- Circuit breakers and aviation‑grade toggle/rocker switches with guarded options
- Pitot‑static line, fittings, leak‑test accessories, and quick‑disconnects
- Adel clamps, grommets, lacing cord, and labeled heat‑shrink for tidy routing
- Panel trays, mounting hardware, cooling fans, and vibration isolation
If you’re planning avionics for experimental aircraft, we stock components that integrate seamlessly with popular systems. Examples include Garmin G3X Touch displays, GSU-series ADAHRS, GSA 28 servos, GMU magnetometers, GMC autopilot controllers, and GAP series heated pitot probes—plus the antennas, breakers, and connectors that complete the installation. Whether you’re doing incremental experimental plane upgrades or a full-panel build, you’ll find compatible sensors, harness materials, and panel accessories ready to ship.
Tool performance is only as good as its calibration. Roger Wilco offers tool calibration certification so your crimpers, torque tools, and meters meet spec and stay consistent over the life of your project. And when your shopping list spans avionics, custom aircraft parts, and specialty tools, flexible financing can help you stage purchases without slowing your build.
From essential homebuilt aircraft parts to pro-grade tooling, you’ll get a cohesive ecosystem that reduces troubleshooting, improves reliability, and accelerates time to first flight.
Beyond Parts: Expert Support and Installation
Getting great performance from experimental aircraft parts takes more than a shopping cart. Our team guides you from concept to first flight with hands-on support, integration planning, and installation services tailored to your airframe and mission.
We start with a structured consult to match avionics for experimental aircraft to how you fly—IFR vs VFR, single-pilot workflow, engine monitoring needs, and growth plans. We review power budget, bus architecture, and mounting constraints so your upgrade scales without rework.
From there, we produce a practical integration plan. Typical stacks include Garmin G3X Touch with GEA 24 engine interface, GTR 200B COM, remote GTX 45R transponder for ADS-B Out/In, GSA 28 servos with GMC 507, and a GDL 50R for weather/traffic. We map LRU placement for cooling and serviceability, plan antenna locations to minimize RF interference, and coordinate breakers or an electronic power system such as a VP-X.
Our builders appreciate clear deliverables:
- Custom-labeled wiring harnesses (D‑sub, Molex, and coax with BNC/TNC)
- Panel layout, cutouts, and mounting hardware recommendations
- Pitot-static and AOA plumbing plans with calibration steps
- Configuration files, firmware update paths, and checklists
- Ground and flight test procedures, including autopilot gain tuning
If you prefer to turn wrenches yourself, we supply aircraft experimental components and the specialized Papa-Alpha tools to install them correctly—D-sub crimpers, coax strippers/crimpers, torque tools, and pin extractors—plus tool calibration certification for traceability. We provide quick training on best practices for crimp quality, shielding, strain relief, and continuity testing to protect your custom aircraft parts investment.
For full-service work, we perform in-shop certified aircraft installations and offer builder-assist for homebuilt aircraft parts integration. Expect complete documentation: wiring diagrams, equipment lists, weight-and-balance change notes, and logbook entry templates to support your E‑AB records.
Need to stage an upgrade? Our financing options help you phase experimental plane upgrades without compromising safety—start with power and comms, then add displays, engine monitoring, and autopilot when ready.
After installation, you’re not on your own. We provide remote support, warranty coordination, and periodic avionics health checks so your panel stays current and reliable.
Roger Wilco's Competitive Edge in Aviation
Roger Wilco Aviation Services stands out by combining a deep catalog of experimental aircraft parts with hands-on aviation expertise. Builders and owners can source avionics for experimental aircraft, wiring hardware, and the specialized tools needed to install them—all from one trusted supplier. That end‑to‑end approach shortens build time, reduces rework, and improves reliability.
The inventory goes beyond generic “aircraft experimental components.” You’ll find purpose-built homebuilt aircraft parts and avionics accessories that align with common panel and airframe needs, including:

- Integrated flight displays and engine monitoring solutions
- GPS/COM/NAV units, ADS‑B transponders, and audio panels
- Autopilot controllers, servos, and mounting hardware
- Antennas, RG‑400 coax, BNC/TNC connectors, and backshells
- Circuit protection (breakers, fuses), bus bars, and switch gear
- D‑sub pins, high‑temp wire, shielded cable, lacing, and heat‑shrink
- Pitot‑static plumbing, heated pitot options, and probes
- Trays, racks, brackets, and panel cutout accessories for custom aircraft parts
As an authorized retailer of Garmin products, Roger Wilco equips both certified and experimental cockpits with proven technology. Whether you’re planning experimental plane upgrades to glass, adding ADS‑B Out for airspace compliance, or pairing a GPS navigator with an audio panel and transponder, you can match components that are designed to work together and simplify installation.
Precision tooling is another advantage. Specialized Papa‑Alpha tools support professional‑grade terminations and harness work—think mil‑spec crimpers for D‑sub and circular connectors, coax stripping and crimp sets for RG‑400, torque‑verified drivers, and pin insertion/extraction kits. Tool Calibration Certification helps mechanics and builders maintain repeatable results and traceable accuracy across critical tools.
Support extends past the parts counter. The team provides certified aircraft installations for customers upgrading type‑certificated planes, while Aircraft Repair & Avionics Financing can spread costs over time—useful when a full avionics stack, wiring refresh, and accessories are planned in one phase.
Practical example: replace legacy gauges with a modern flight display and engine interface, pair it with a GPS/COM, ADS‑B transponder, and audio panel, add autopilot servos, then complete the job with labeled wire, shielded runs, circuit protection, antenna cabling, and calibrated crimp tooling. With curated homebuilt aircraft parts and the right tools in stock, Roger Wilco makes that upgrade path straightforward and dependable.
Making the Right Choice for Your Project
Selecting experimental aircraft parts starts with defining your mission and the level of integration you want. Map out how you fly today and where you’re headed—day VFR, light IFR, cross‑country efficiency, aerobatics, or backcountry STOL—then choose aircraft experimental components that align with power, weight, and panel constraints.
For a clean VFR build, many owners pair a Garmin G3X Touch display with GSU 25 ADAHRS, GEA 24 for engine monitoring, GMU 11 magnetometer, and a GAP 26 pitot/AoA. Add a GTR 200B comm for Bluetooth intercom/COM, and a GTX 45R remote transponder for ADS‑B Out (with In to the display). The G3X autopilot using GSA 28 servos and a GMC 507 controller provides smooth lateral/vertical control without adding bulk.
If you’re targeting IFR capability, add a TSO’d navigator such as a GTN or GNX series to the G3X Touch for legal approaches and flight plan management, and consider a Garmin G5 as an independent backup. This path keeps avionics for experimental aircraft tightly integrated while meeting instrument flight needs.
Beyond the panel, plan for the “hidden” pieces that make or break reliability:
- Antennas, doublers, and coax (properly sized and terminated)
- Circuit protection, busses, and grounding strategy
- Shielded wiring, D‑sub pins/backshells, and mounting trays
- Engine probes matched to your EIS interface
Homebuilt aircraft parts like pitot masts, ELT brackets, antenna mounts, and panel hardware simplify fabrication and reduce rework. For custom aircraft parts—panel cutouts, adapter plates, or unique brackets—verify clearances, cooling, and service access before you commit to metal.
To make the right choice with Roger Wilco:
- Define mission, budget, and timeline; phase major experimental plane upgrades to match your build schedule.
- Verify compatibility across LRUs, sensors, and displays; ensure your ADS‑B solution fits your airspace needs.
- Select tools that protect workmanship. Our specialized Papa‑Alpha tools help with precise crimping, torque, and coax termination, and our tool calibration certification keeps your gear in spec.
- Plan installation, testing, and future expandability. Our team can help you validate fit, wiring strategies, and integration steps.
- Consider financing to spread the cost of higher‑end stacks without compromising safety or capability.
With the right mix of avionics for experimental aircraft and supporting accessories, you get a reliable, serviceable system that fits your aircraft and your mission today—and grows with you tomorrow.
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