Pilot USA PA-91.5 GA Twin Plug Headset to (.21″) Single Plug Adapter

The Pilot USA PA-91.5 adapts GA twin plug headsets (PJ-055 & PJ-068) for use in aircraft equipped with .21″ single plug panels. A rugged, passive solution for flexible cockpit compatibility.

• Converts GA twin plug headsets (PJ-055 & PJ-068) to .21″ single plug systems
• Compatible with select military and specialty aircraft audio panels
• Durable molded housing with reinforced strain relief
• Gold-compatible contacts deliver clear, consistent audio and resist corrosion
• Compact and lightweight design fits easily in flight bags
• No batteries or external power required — plug-and-play operation

The Pilot USA PA-91.5 adapter provides a reliable and practical way for pilots to use their GA twin plug headsets in aircraft configured with a .21″ single plug audio system. Designed with durability in mind, the adapter features a molded body and reinforced strain relief to handle frequent cockpit use. Gold-compatible contacts ensure optimal signal clarity and long-lasting performance. Its lightweight, compact form factor makes it an easy addition to any pilot’s flight kit, ensuring communication compatibility across a range of aircraft types. Ideal for flight training, military operators, or general aviation pilots needing cross-platform headset use.

Connector 

• Input: GA twin plugs — PJ-055 (phone) & PJ-068 (microphone)
• Output: .21″ single plug headset connection

Technical Specifications

Model	PA-91.5
Adapter Type	GA twin plug to .21″ single plug adapter
Input Connector	PJ-055 (phone) & PJ-068 (mic)
Output Connector	.21″ single plug
Contacts	Gold-compatible for clarity and corrosion resistance
Construction	Molded impact-resistant plastic with strain relief
Design	Passive adapter — no power required
Weight	Approx. 0.5–1.0 oz
Dimensions	Compact inline form factor
Use Case	Flight training, military aircraft, general aviation
Warranty	Manufacturer standard warranty