01-0770024-01 - Whelen White Combination Strobe Tail Navigation Light 28 Volt 0.9 Amp

01-0770024-01 – Whelen White Combination Strobe Tail Navigation Light

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Overview

The Whelen 01-0770024-01 (base model 70024) is a flight-critical, TSO-certified white combination tail strobe and position light assembly. This is not a simple light; it is a complete, self-contained lighting unit engineered by Whelen Aerospace Technologies to provide both aft-facing position lighting and omnidirectional anti-collision strobe lighting from a single, aerodynamically efficient housing. Designed for the tail cone or top of the vertical stabilizer, the 01-0770024-01 uses a powerful xenon flash tube for the strobe and a long-life incandescent bulb for the position light. Its robust construction and proven reliability have made it a standard component on a wide range of general aviation aircraft.

This unit is fundamental to the aircraft's visibility and safety, ensuring compliance with all FAA requirements for night and reduced-visibility flight. As a genuine Whelen OEM component, it guarantees the certified light intensity, color, and flash characteristics required for airworthy operation.

Key Features

• Dual-Function Lighting: Integrates two essential aircraft lights into a single assembly:

  1. Anti-Collision Strobe: A high-intensity, omnidirectional white strobe light that provides 360-degree visibility to other aircraft.

  2. Position Light: A steady-burning, aft-facing white navigation light, as required for the tail of an aircraft.

• High-Intensity Xenon Strobe: The anti-collision light utilizes a powerful, high-voltage xenon flash tube, driven by a remote power supply. This technology produces an intensely brilliant, instantaneous flash of white light that is highly conspicuous, even in daylight.

• Aerodynamic Housing: The entire assembly is housed in a durable, aerodynamically shaped base with a streamlined polycarbonate lens, designed to minimize parasitic drag. It is specifically designed for mounting on the trailing edge of a rudder or on the tail cone.

• Radio-Shielded Design: Engineered with integrated shielding to contain the high-frequency electromagnetic energy generated by the strobe circuit, preventing radio frequency interference (RFI) with the aircraft's communication and navigation systems.

• TSO Certified: Fully certified to the stringent requirements of FAA TSO-C96a (Anti-Collision Lights) and TSO-C30c (Position Lights), ensuring it meets the highest standards for performance, reliability, and safety.

Technical Specifications

• Part Number: 01-0770024-01

• Base Model: 70024 Series

• Component Type: Tail Strobe / Position Light Assembly

• Position: Aft / Tail

• Strobe Lamp: Xenon Flash Tube

• Position Lamp: Incandescent Bulb, White (Aviation White)

• Input Voltage: Designed for 28 VDC systems (position light bulb is 28V; strobe operates via a separate power supply).

• Position Light Current Draw: Approx. 0.9 Amps

• Power Supply Requirement: Requires connection to a remote strobe power supply (e.g., Whelen HD or A413 series).

• Certification: FAA TSO-C96a (Class II) and TSO-C30c (Type III)

Aircraft Compatibility

The Whelen 01-0770024-01 is a standard OEM and retrofit lighting solution for a vast number of general aviation aircraft.

• Common Aircraft Platforms:

  • Textron Aviation (Cessna): 172, 182, 206, 210, 300/400 series

  • Piper: PA-28, PA-32, PA-34, PA-44 series

  • Beechcraft: Bonanza, Baron

  • Mooney: M20 series

  • And many other certified and experimental aircraft.

Applications

The 01-0770024-01 is a flight-critical component for aircraft visibility and regulatory compliance:

• Night & IFR Operations: The position and strobe lights are mandatory for all night operations and are essential for visibility in IFR conditions.

• Collision Avoidance: The high-intensity strobe light is the primary means of making the aircraft visible to other traffic, significantly reducing the risk of mid-air collisions.

• Lighting System Overhaul & Upgrade: The specified replacement for a damaged or unserviceable original unit, or as part of a complete lighting system overhaul.

Why Choose 01-0770024-01?

An aircraft's lighting system is one of its most important pieces of safety equipment. The Whelen 01-0770024-01 is a TSO-certified unit from the world leader in aerospace lighting. Using a genuine Whelen assembly ensures that the light output, beam pattern, and flash characteristics meet the precise FAA requirements for color and intensity. For a system this critical to being seen and safe in the sky, there is no substitute for certified, proven performance.

The 01-0770024-01 houses two independent lighting technologies. The position light is a simple incandescent circuit, providing a steady white light with a specified aft-facing arc of visibility (140 degrees total). The strobe light is a high-voltage system. A remote power supply charges a large capacitor to approximately 450 VDC. The timing circuit in the power supply then sends a very high-voltage trigger pulse (several thousand volts) to the xenon flash tube in the 01-0770024-01 assembly. This pulse ionizes the xenon gas, allowing the main capacitor to discharge its energy through the tube in a fraction of a second. This capacitor discharge creates a massive current flow that excites the xenon atoms, producing a brilliant, blue-white flash of light with an effective candela rating many thousands of times brighter than the position light.

Note: This is a flight-critical lighting and high-voltage system component. Installation must be performed by a certified A&P mechanic or avionics technician. It must be connected to a compatible, certified strobe power supply. The high-voltage strobe system can store a lethal electrical charge long after power has been removed. All safety precautions must be followed during service.

Description: TAIL POSITION STROBE 28V VERT
Part Number: 01-0770024-01
FAA PMA Information: [Click Here] 
Alternate Part Number: A500-28, A500AV28

Product Overview

Combination strobe/tail navigation light used when the wing tip anti-collision lights are mounted in an enclosure and can provide 360 deg of strobe coverage. It is a direct replacement for the standard tail position light.
TECHNICAL INFORMATION
• FAA/PMA Approved
• FAA/TSO-C30B
• PROP65: Lead to Cause Cancer and Birth Defects or Other Reproductive Harm - www.P65Warnings.ca.gov

Specification

• • Series: A500A
• • Voltage Rating: 28 VDC
• • Amperage Rating: 0.9 A
• • Shade Type: Clear Glass
• • Beam Angle: 360 deg
• • Mounting Type: Vertical
• • Color: Aviation White
• • Diameter: 1-1/2 in
• • Dimensions: 1.7 in H
• • Domestic/Import: Domestic

Aircraft Eligibility

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