Business & General Aviation
- Cockpit display upgrades
- STC retrofit kits
- Standby instruments
- Cabin management interfaces
- Avionics LRU integration
AS9100D manufacturing and FAA Part 145 repair support for OEM line-fit, retrofit, and fleet modernization programs.
Polytronix builds AS9100D-certified cockpit displays, standby instruments, cabin management interfaces, retrofit LCD upgrade kits, harnesses, PCBAs, and avionics LRUs for business jets, turboprops, and general aviation — supplied into OEM line-fit and STC retrofit programs.
Overview
Polytronix manufactures AS9100D-certified cockpit displays, panel assemblies, standby instruments, cabin management interfaces, electro-mechanical cockpit LRUs, retrofit STC interconnect harnesses, cabin management and lighting control PCBAs, and complete box-build avionics units for business jets, turboprops, and general aviation aircraft. Designed to enhance flight safety, efficiency, and passenger comfort, our business and general aviation solutions support OEM line-fit programs, Supplemental Type Certificate (STC) retrofit upgrades, panel refresh programs, and operator-driven flight deck modernization.
We replace legacy cathode-ray-tube (CRT) displays with high-resolution liquid crystal displays (LCDs), refresh aging analog instrumentation with digital flight displays, and integrate connected avionics suites, situational awareness, precision navigation, datalinks, ADS-B, traffic and weather radar, advanced sensors, and enhanced vision into new aircraft and legacy airframes.
We deliver sunlight-readable ruggedized LCDs, optically bonded cockpit displays, backlit instrument panels and bezels per MIL-DTL-7788 and QPL-7788 form factor, multi-function display modules, standby instrument displays, electronic standby indicator (ESI) assemblies, cabin management system (CMS) interfaces, and complete electro-mechanical panel assemblies. Display modules are environmentally aligned to MIL-DTL-7788 profiles and DO-160 test procedures to support the temperature, humidity, vibration, and altitude cycles characteristic of business jet and general aviation operations.
Internal wiring is built under IPC/WHMA-A-620 Class 2/3 with MIL-DTL-38999 and rectangular ARINC connectors, coaxial and RF assemblies for navigation, communications, and ADS-B, supporting both new-installation programs and STC retrofit kits. Polytronix delivers build-to-spec, design-collaborative, and reverse-engineered retrofit solutions under serialized configuration control with full FAA documentation, AS9100D quality, and ITAR-controlled production where applicable.
At a Glance
| Certifications | AS9100D, ISO 9001:2015, FAA Part 145, EASA Part 145 |
|---|---|
| Program Fit | Business Jets, Turboprops, General Aviation |
| Core Strengths | Retrofit LCDs, Cockpit LRUs, STC Harnesses |
| Typical Deliverables | Displays, Panels, Harnesses, PCBAs, LRUs |
| Order Quantities | Prototypes and Low MOQs |
Business and General Aviation Products and Assemblies
- Cockpit primary flight displays (PFDs)
- Multi-function displays (MFDs)
- Standby flight instruments and standby attitude indicators
- Electronic standby indicator (ESI) assemblies
- Engine indication displays
- Cabin management system (CMS) interfaces and passenger displays
- Backlit control panels and switch bezels
- Pedestal, overhead, and instrument panel modules
- Retrofit LCD upgrade kits replacing legacy CRT displays
- General aviation glass cockpit retrofit panels
- Sunlight-readable ruggedized LCDs and optically bonded business jet displays
- Display controller, dimming, and backlight driver PCBAs
- Cabin management and lighting control PCBAs
- ATR enclosures, panel-mount LRUs, and avionics-bay box builds
- Aircraft cable and wire harnesses with MIL-DTL-38999 and rectangular ARINC connectors
- STC retrofit kit interconnect harnesses
- Coaxial and RF assemblies for navigation, communications, and ADS-B
- Build-to-print custom cockpit and cabin assemblies
- FAA Part 145 repair and depot-overhauled units
Business Aviation Capabilities
Ruggedization
Environmental sealing, vibration isolation, UV stability, and extended-temperature operation aligned to MIL-DTL-7788 and DO-160. Cockpit displays and panels are designed to support the operational envelope of business jets, turboprops, and general aviation aircraft, including extended unpressurized operation and ramp temperature extremes.
Explore ruggedizationRetrofit display upgrade kits
Retrofit LCD upgrade kits replace legacy CRT displays and analog instrumentation in business jet, turboprop, and general aviation cockpits. Plug-and-play form-fit-function replacements update cockpits with brighter, clearer, higher-resolution displays that run cooler, reduce display weight, improve reliability, and support drop-in installation with minimal aircraft downtime.
Explore displaysCabin management system interfaces
Cabin management interface panels, passenger entertainment displays, lighting and environmental control panels, and crew interfaces for business jet cabin applications. Built as configurable, customer-skinnable assemblies for OEM and completion-center programs.
Explore assembliesStandby instrument and ESI assemblies
Standalone electronic standby flight instruments integrate attitude, airspeed, altitude, and heading on a single ruggedized LCD module with optical bonding and MIL-DTL-7788-aligned ruggedization for sustained backup operation.
Explore displaysSTC retrofit support and DFM/DFT engineering
Design-for-manufacturability and design-for-test engineering is applied to STC retrofit programs at the proposal stage, supporting STC kit cost, certification timeline, and production yield. Reverse engineering of legacy form-fit-function envelopes supports drop-in retrofit installations.
Explore engineeringAircraft cable and harness integration
Internal harness installation and routing under IPC/WHMA-A-620 Class 2/3 with MIL-DTL-38999 and rectangular ARINC connectors, sealed backshells, and shield-bonded terminations support STC retrofit kits and OEM line-fit programs. Includes coaxial and RF assemblies for navigation, communications, ADS-B, traffic, and weather radar interfaces.
Explore harnessesPCB assembly
In-house PCBA of display controller boards, dimming controllers, cabin system electronics, lighting control boards, and signal conditioning circuits under IPC-A-610 Class 2/3 and IPC J-STD-001, with conformal coating and underfill engineered for sustained business aviation service.
Explore PCB assemblyBox build and LRU integration
ATR enclosures, panel-mount LRUs, and rack-mount cabin management modules are built with EMI shielding, thermal management, and shock and vibration isolation engineered to MIL-DTL-7788 environmental envelopes.
Explore box buildsSunlight-readable ruggedized LCDs
Active-matrix LCD modules with high-brightness LED backlighting, optical contrast enhancement, and anti-reflective treatments engineered for direct-sunlight readability. Available in monochrome and full-color formats scaled from standby instrument to multi-function display sizes.
Explore displaysRelevant Applications
Business jet cockpit displays
Primary flight displays, multi-function displays, standby instruments, and engine indication displays for business jets and turboprop platforms, supplied as new-build, line-fit, and STC retrofit configurations with full FAA documentation.
General aviation panel upgrades
Glass cockpit retrofit kits, panel refresh installations, and avionics integration upgrades for general aviation aircraft, including replacement of analog instrumentation with digital LCD displays and integrated avionics suites.
Standby flight instruments
Standalone electronic standby flight instruments integrate attitude, airspeed, altitude, and heading on a single ruggedized LCD module with optical bonding and MIL-DTL-7788-aligned ruggedization for sustained backup operation.
Cabin management displays
Passenger cabin control panels, in-flight entertainment displays, lighting and environmental control interfaces, and crew rest panels integrated as build-to-print assemblies for cabin OEM and completion-center programs.
Retrofit display solutions
Plug-and-play LCD retrofit kits replace legacy CRT displays and analog instrumentation, supporting Service Bulletin and STC-driven cockpit modernization across business jet, turboprop, and general aviation fleets.
ADS-B, navigators, and connected avionics
Coaxial and RF assemblies, harnesses, and integration kits for ADS-B Out and ADS-B In installations, GPS navigators, weather radar, traffic systems, and datalink avionics, supporting fleet-wide compliance and connectivity upgrades.
OEM line-fit and retrofit production
Volume production of cockpit displays, panels, and LRUs for business jet and general aviation OEMs, along with STC kit production for completion centers, MROs, and operator-driven retrofit programs.
Aftermarket repair and depot service
FAA Part 145 repair and depot overhaul of display modules, instrument panels, harnesses, and avionics LRUs supporting OEM warranty programs and operator depot returns across business jet and general aviation fleets.
Explore MRORelevant Capabilities
Displays
Sunlight-readable cockpit LCDs and retrofit display modules
Optical Bonding
Contrast, impact, and vibration improvements for cockpit displays
Cable & Wire Harnesses
STC retrofit kit harnesses, ARINC connectors, and RF assemblies
PCB Assembly
Display, dimming, lighting, and cabin system control boards
MRO
FAA Part 145 repair and depot support for long-life avionics
Certifications
- AS9100D
- ISO 9001:2015
- ITAR Registered
- UL
- IPC
- FAA Part 145
- EASA Part 145
Standards and Compliance
IPC Workmanship Standards
- IPC-A-610 Acceptability of Electronic Assemblies (Class 2/3)Conformance
- IPC J-STD-001 Soldered Electrical and Electronic AssembliesConformance
- IPC/WHMA-A-620 Acceptability of Cable, Wire, and Harness Assemblies (Class 2/3)Conformance
Environmental and EMC Standards
- MIL-DTL-7788 backlit panel and lighting environmental requirementsRegistered
- DO-160 environmental conditions and test procedures for airborne equipmentConformance
- MIL-STD-3009 NVIS compatibility where requiredConformance
Additional Compliance
- ANSI/ESD S20.20 ESD-controlled production environmentsReferenced
- RoHS and lead-free environmental compliance optionsConformance
- ITAR-controlled production where applicableConformance
Third-party recordConformance claimedReferenced
MIL-DTL-7788 — U.S. Defense Logistics Agency (qualifying activity for the QPL-7788 listing). Certificates of record →
Frequently Asked Questions
- Who makes retrofit LCD kits to replace CRT displays in a business jet cockpit?
- Polytronix builds plug-and-play retrofit LCD upgrade kits that replace legacy CRT displays and analog instrumentation in business jet, turboprop, and general aviation cockpits. These are form-fit-function replacements supplied into Service Bulletin and Supplemental Type Certificate (STC) retrofit programs run by OEMs, completion centers, MROs, and operators. The kits deliver brighter, higher-resolution presentation, run cooler, reduce display weight, improve reliability, and install with minimal aircraft downtime.
- How does Polytronix support an STC retrofit program?
- Polytronix produces STC kit hardware — interconnect harnesses, display modules, and panel assemblies — for completion centers, MROs, and operator-driven retrofit programs. Design-for-manufacturability and design-for-test engineering is applied at the proposal stage to support STC kit cost, certification timeline, and production yield, and reverse engineering of legacy form-fit-function envelopes enables drop-in installation. Harnesses are built under IPC/WHMA-A-620 Class 2/3 with MIL-DTL-38999 and rectangular ARINC connectors.
- What environmental qualification do Polytronix business aviation displays meet?
- Display modules and panels are environmentally aligned to MIL-DTL-7788 profiles and DO-160 test procedures, covering the temperature, humidity, vibration, and altitude cycles characteristic of business jet and general aviation operations, including extended unpressurized operation and ramp temperature extremes. Backlit panels follow MIL-DTL-7788 and QPL-7788 Type III, IV, V, VI, and VII, with MIL-STD-3009 NVIS compatibility where required. Manufacturing runs under AS9100D and ISO 9001:2015.
- Can Polytronix supply harnesses and RF assemblies for an ADS-B installation?
- Yes. Polytronix builds coaxial and RF assemblies, harnesses, and integration kits for ADS-B Out and ADS-B In installations, alongside GPS navigators, weather radar, traffic systems, and datalink avionics, supporting fleet-wide compliance and connectivity upgrades. Internal wiring is built under IPC/WHMA-A-620 Class 2/3 with MIL-DTL-38999 and rectangular ARINC connectors, sealed backshells, and shield-bonded terminations for both new-installation and retrofit kit programs.
- Where are Polytronix business aviation display modules and LRUs repaired?
- Repair and depot overhaul of display modules, instrument panels, harnesses, and avionics LRUs are performed at the FAA 14 CFR Part 145 repair station at our Richardson, Texas facility, which also carries EASA Part 145 recognition. This supports OEM warranty programs and operator depot returns across business jet and general aviation fleets.
Discuss Your Business Aviation Requirements
Share your cockpit display, STC retrofit, cabin interface, harness, PCBA, or LRU requirements. An engineer confirms platform fit, STC and retrofit path, and build approach.
Quality & Compliance
Polytronix maintains active third-party registrations spanning aerospace, medical, automotive, and environmental quality systems, verified by accredited registrars.