David Clark 12304G-02 – H3331 Pushback Tug Headset
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The David Clark H3331 Pushback Tug Headset (12304G-02) is a purpose-built solution for aviation ground support professionals who demand clear communication, rugged durability, and reliable performance in high-noise environments. Designed for tug drivers and ramp crews, this headset ensures seamless coordination during pushback operations, where precision and safety are critical. With advanced noise-canceling technology and ergonomic comfort, the H3331 is a trusted tool for maximizing efficiency and safety on the ramp.
H3331 Features
- M-1/DC amplified dynamic noise-canceling microphone
- Momentary push-to-talk (PTT) switch on ear dome
- Soft headband and ear seals guarantee exceptional comfort
- 15' straight cord with 1/4" TRS plug to mate with Series C31-XX extension cords
- Corrosion-proof, chrome-plated headset/stirrup assembly
- Certified noise reduction rating of 24 dB
H3331 Key Features and Benefits
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Advanced Noise-Canceling Technology
- Equipped with a noise-canceling amplified dynamic microphone, the H3331 delivers crystal-clear communication by reducing ambient noise from jet engines and ground equipment.
- Provides a certified noise reduction rating (NRR) of 24 dB, ensuring effective noise attenuation for clear and reliable communication in high-noise environments.
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Rugged, Reliable Construction
- Built with heavy-duty, corrosion-resistant materials, including a chrome-plated stirrup assembly, to withstand the demands of daily ramp operations.
- Weather-resistant design ensures dependable performance in extreme conditions, from scorching heat to freezing temperatures.
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Comfortable Design for Extended Use
- Features a soft head pad and gel-filled ear seals that provide exceptional comfort, even during extended shifts on the ramp.
- Lightweight construction reduces fatigue, allowing ground support crews to maintain focus and productivity.
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Push-to-Talk Microphone for Precise Communication
- The noise-canceling microphone includes a momentary push-to-talk (PTT) switch, enabling quick and efficient communication when needed while minimizing background noise.
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Extended Connectivity for Flexible Operations
- Includes a 15' straight cord with a 1/4" TRS plug, making it compatible with David Clark C31-XX series extension cords for versatile use across various ground support setups.
H3331 Specifications
- Type: Wired Pushback Tug Aviation Headset
- Noise Reduction Rating (NRR): 24 dB
- Microphone: Noise-canceling amplified dynamic microphone with PTT switch
- Ear Seals: Gel-filled for maximum comfort and acoustic seal
- Cord Length: 15' straight cord
- Plug Type: PJ-051 plug (compatible with C31-XX extension cords)
- Build Material: Corrosion-resistant, chrome-plated stirrup assembly
- Usage Environment: Designed for pushback, ramp, and high-noise ground support operations
H3331 Benefits for Aviation Ground Support Professionals
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Improved Safety and Coordination:
- Reliable communication minimizes errors during critical pushback operations, enhancing the safety of ground personnel and aircraft.
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Built for Long-Lasting Performance:
- The rugged construction ensures the H3331 stands up to the daily rigors of ramp work, providing a cost-effective and dependable communication solution.
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All-Day Comfort for Maximum Efficiency:
- Ergonomic design features reduce fatigue, allowing crews to focus on their tasks and maintain productivity during long shifts.
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Versatility for Ground Operations:
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The H3331 is ideal for tug drivers, ramp personnel, and other aviation ground support roles, ensuring seamless communication across a wide range of applications.
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Why Choose the David Clark H3331 Pushback Tug Headset?
The David Clark H3331 combines industry-leading noise-canceling technology, rugged durability, and ergonomic comfort, making it a trusted choice for aviation ground support teams worldwide. Whether coordinating pushback operations or managing ramp activities, this headset is engineered to deliver reliable performance in even the most challenging environments.
For more than 80 years, David Clark has set the standard for aviation communication equipment, and the H3331 continues this legacy with unmatched quality and dependability. Equip your ground support team with the David Clark H3331 Pushback Tug Headset (12304G-02) and experience the difference in performance, safety, and efficiency.
| General Information | |
|---|---|
| Part # | 12304G-02 |
| Manufacturer | David Clark |
| Manual 1 | View David Clark H3331 Parts List |
| Shipping Information | |
|---|---|
| Product Weight | 1.7 lbs. |
| Product Dimensions | 9.8 x 8.5 x 4.5 in. |
| Schedule B | 8518302000 |
| ECCN | 7A994 |
| Spare Parts | |
|---|---|
| 00009M-03 | Retaining Ring (10/pk) |
| 09851P-04 | Switch, Push-to-Talk |
| 10376G-17 | Earphone Assembly |
| 10405G-05 | Microphone Cord Assy Kit |
| 10516G-14 | Microphone Cord Assembly |
| 11696P-12 | Right Dome |
| 11696P-28 | Left Dome (Non-Boom Stop) |
| 11696P-84 | Left Dome (Boom Stop) |
| 12409G-26 | Headband Assembly |
| 12765G-04 | Microphone Boom Assy |
| 12840G-01 | Boom Guide Kit (Non-Boom Stop) |
| 12840G-20 | Boom Guide Kit (Boom Stop) |
| 12948G-14 | DC-1A Microphone w/Cord |
| 13180P-03 | Screws (10/pk) |
| 15097P-01 | Dome Stop |
| 15125P-02 | Clip, Cord (4/pk) |
| 18028G-30 | Comm Cord Assy Kit |
| 18289G-13 | PCB Assembly |
| 18316G-02 | Earseal (pair) |
| 18920G-04 | DC-1A Microphone |
| 22378G-01 | Stirrup Assembly |
| 22607G-01 | Overhead Cord Assembly |
| 25629P-03 | Dome Filter |
| 25630P-01 | Headband Spring |
| 26475P-02 | Dome Filter |
| 40062G-06 | Mic Protector |
| 41090G-32 | Kit, 1/4" Plug, Commercial, Stereo |
| Part Number | Description |
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AIRCRAFT COMPATIBILITY
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QUESTIONS & ANSWERS
The H3331 Pushback Tug Headset is specifically built for airline ground support and pushback operations, where noise levels are high and communication is critical. Its rugged, chrome-plated frame and sealed ear domes provide protection against moisture, debris, and impact, ensuring consistent performance on the ramp. This durability makes it ideal for long-term use in commercial, cargo, and military aviation settings.
The M-1/DC amplified dynamic noise-canceling microphone eliminates ambient ramp noise to ensure crystal-clear voice transmission between the ground crew and the cockpit. This feature enhances safety by reducing miscommunication during engine start and aircraft movement. It’s optimized for high-noise environments, enabling reliable communication even in the vicinity of running jet engines.
Yes. The wire boom assembly can be rotated to position the microphone on either side of the head for user comfort and operational flexibility. This ambidextrous design supports personalized fit preferences while maintaining secure and stable microphone placement.
The David Clark H3331 features a noise reduction rating (NRR) of 24 dB, certified for high-noise aviation environments. This ensures reliable hearing protection for ramp crews during pushback and engine run-up operations. The foam-filled ear seals and head pad not only improve comfort but also enhance passive noise attenuation for extended wear.
The headset features a momentary push-to-talk (PTT) switch located directly on the ear dome for convenient thumb operation. This design enables ground personnel to transmit quickly without needing to reach for inline switches or radio units, thereby improving response times during towing or marshaling operations. The switch’s placement also reduces cable stress and wear during frequent use.
The H3331 includes a 15-foot straight communication cord designed to connect with C31-series extension cords, including C31-12, C31-25, C31-50, and C31-100 models. The number following the dash indicates the extension cord’s length in feet, allowing flexible setup for various ground support vehicles and tug configurations.
Routine maintenance includes inspecting ear seals, dome filters, and cables for signs of wear or damage. Replacement parts such as the ear seals (18316G-02), PTT switch (09851P-04), and microphone assemblies (18920G-04) are readily available from David Clark. Regular cleaning and component replacement help maintain noise attenuation and communication clarity over time.
Yes. The headset’s chrome-plated headband and stirrup assembly offer excellent corrosion resistance against harsh environmental conditions, including ramp humidity, de-icing fluids, and temperature fluctuations. This construction ensures long-lasting reliability, even in outdoor or coastal airport environments, where standard materials may degrade more quickly.
The headset uses foam-filled, soft vinyl ear seals (18316G-02) that provide comfort and effective noise isolation for extended shifts. These ear seals are user-replaceable and available in standard or gel-filled options for enhanced comfort. Replacing ear seals regularly helps maintain proper acoustic sealing and hygiene.
The balanced circuit configuration minimizes electrical interference, ensuring consistent microphone sensitivity and audio clarity. The headset wiring includes independent leads for the left and right earphones, as well as separate lines for microphone power and push-to-talk functionality, providing redundancy and signal integrity in noisy ramp conditions.
David Clark offers several accessories for the H3331, including replacement cords, PTT switches, and microphone cord assemblies to extend service life. Additionally, optional gel ear seals, head pads, and protective mic covers are available for increased comfort and hygiene. These accessories allow operators to customize the headset to their specific usage environment.
The H3331 is one of David Clark’s most rugged and field-proven pushback tug headsets, designed for dependability and user comfort in continuous operation. Compared to lighter-duty models, it offers enhanced noise reduction, stronger materials, and a user-friendly boom/microphone system. Its compatibility with standard C31-series cords also makes it a flexible solution across diverse GSE setups.
