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235Q58-1 - Goodyear Flight Radial Aircraft Tire Rated for 190 MPH 23.5X8.0 R12

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235Q58-1 - Goodyear Flight Radial Aircraft Tire Rated for 190 MPH 23.5X8.0 R12
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235Q58-1 - Goodyear Flight Radial Aircraft Tire Rated for 190 MPH 23.5X8.0 R12

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235Q58-1 – Goodyear® Flight Radial® Aircraft Tire (190 MPH)

Available now on the Airparts.aero Marketplace.

The Goodyear Flight Radial 235Q58-1 represents the pinnacle of aviation tire technology, specifically engineered for the high-cycle, high-speed demands of modern business jets and regional aircraft. Unlike traditional bias-ply tires, the radial construction of the 235Q58-1 provides a significantly more stable footprint and reduced rolling resistance. This tire is rated for ground speeds up to 190 MPH, making it an essential component for aircraft that operate out of demanding high-altitude airports or require high-velocity takeoff and landing performance.

The Flight Radial series is designed using Goodyear’s featherweight aluminum core bead technology, which reduces overall tire weight without compromising structural integrity. This weight savings, combined with a specialized tread compound, allows for a higher number of landings per tread life compared to bias-ply equivalents, directly lowering the operational cost per flight hour for fleet managers and owner-operators alike.

Key Features

  • Radial Casing Technology: Provides a larger, more uniform contact patch, which improves braking efficiency and reduces tread wear during the "spin-up" phase of touchdown.

  • 190 MPH Speed Rating: Engineered to withstand the extreme centrifugal forces and heat buildup associated with high-speed turbine aircraft operations.

  • Cooler Running Temperatures: The radial design naturally generates less internal friction than bias-ply tires, reducing the risk of thermal degradation during long taxi runs in high-ambient temperatures.

  • Superior Dimensional Stability: Goodyear’s proprietary carcass materials resist "growth" over time, ensuring the tire maintains its profile and fits perfectly within tight wheel well clearances.

  • Advanced Tread Compound: Specifically formulated for maximum wet-runway traction and resistance to "tread chunking" on grooved runways.

Technical Specifications

  • Part Number: 235Q58-1

  • Manufacturer: Goodyear Tire & Rubber Co. (Aviation Division)

  • Ply: 15

  • Spec: 23.5X8.0 R12

  • Model: Flight Radial®

  • Speed Rating: 190 MPH

  • Max Load Rating: High-capacity (Refer to TSO-C62 data for specific airframe load limits)

  • Construction: Radial

  • Certification: TSO-C62

  • Typical Size Category: Used in main gear configurations for mid-to-super-midsize business jets.

Aircraft Compatibility

  • Cessna Citation Series: Found on various high-performance Citation models (560XL Citation XLS).

  • Embraer Phenom & Praetor: Utilized in main wheel assemblies for modern Embraer business jets.

  • Gulfstream G150/G280: Fits various mid-cabin Gulfstream landing gear architectures.

  • Bombardier Challenger: Selected for several 300/350/600 series applications.

  • Regional Jets: Common fitment for various CRJ and ERJ regional platforms.

  • Note: Always verify the exact dash number (-1) and size requirements in your aircraft’s Illustrated Parts Catalog (IPC) or Aircraft Flight Manual (AFM).

Why Choose Goodyear Flight Radial?

The primary advantage of the 235Q58-1 is its Efficiency. Radial tires are significantly more fuel-efficient during ground operations due to their lower rolling resistance. Furthermore, the radial sidewalls are designed to be more flexible, which acts as a secondary shock absorber for the airframe. This results in smoother landings and less stress on the landing gear bushings and structural components. For operators focusing on Sustainability and Performance, the Flight Radial provides the most technologically advanced solution available on the market today.

Maintenance & Inspection Addendum

Because radial tires have a different profile than bias-ply tires, they often appear slightly "low" even when properly inflated.

Maintenance Warning: Never determine the air pressure of a radial tire by its appearance. You must use a calibrated tire pressure gauge.

  1. Nitrogen Only: Always inflate with dry nitrogen to prevent internal carcass oxidation and to stabilize pressure during temperature fluctuations at high altitudes.

  2. Pressure Checks: Conduct pressure checks at least once every 24 hours of operation or before the first flight of the day.

  3. Tread Wear: Monitor the Wear Level Indicators. Because radial tires wear more evenly, it is critical to replace the tire before the tread depth reaches the base of the groove to maintain hydroplaning protection.

Note: The 235Q58-1 is a safety-critical component. During inspection, check for sidewall cuts, bulges, or signs of overheating (discoloration). Tires must be replaced if the carcass is exposed or if "flat-spotting" causes noticeable vibration. Installation must be performed by a certified A&P mechanic using proper tire-mounting equipment.