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Designed specifically for top mounting on an aircraft. Provides excellent omnidirectional pattern coverage for all VHF aircraft communications. It is equivalent to the CI 291 but features a straight tapered stainless steel radiator. The CI 292-1 has been re-tested and upgraded to the new RTCA DO-160D environmental requirements and offers the 118 to 137 MHz frequency associated with DO-186A MOPS.
MODEL CI 292-1 VHF Antenna | |
Electrical | |
Frequency | 118 to 137 MHz |
VSWR | 2.5:1 Maximum |
Polarization | Vertical |
Radiation Pattern | Omnidirectional |
Impedance | 50 Ohms |
Power Rating | 50 Watts |
Mechanical | |
Weight | 0.5 lb. Maximum |
Height | 20.0 In. Maximum |
Material | Cast housing / Fiberglass whip |
Finish | Polyurethane Enamel |
Connector | BNC (female) |
Environmental | |
Temperature | -55ºC to +85ºC |
Altitude | 50,000 ft. |
Air Speed | 250 knots TAS |
Federal Specifications | |
RTCA Environment | DO-160D |
Environmental Category | [D2X]ACB[R(C,C1)U(F,F1)] XWFDXSXXXXX[XX]X[XXXX]XAX |
FAA TSO | C37d, C38d |
RTCA MOPS | DO-186A |
Order Options | |
Connector | |
BNC | Standard |
Color | |
White | Standard |
Gasket | |
C29205 Cork Neoprene |

Approvals and Conformities
Product Attributes

Designed specifically for top mounting on an aircraft. Provides excellent omnidirectional pattern coverage for all VHF aircraft communications. It is equivalent to the CI 291 but features a straight tapered stainless steel radiator. The CI 292-1 has been re-tested and upgraded to the new RTCA DO-160D environmental requirements and offers the 118 to 137 MHz frequency associated with DO-186A MOPS.
MODEL CI 292-1 VHF Antenna | |
Electrical | |
Frequency | 118 to 137 MHz |
VSWR | 2.5:1 Maximum |
Polarization | Vertical |
Radiation Pattern | Omnidirectional |
Impedance | 50 Ohms |
Power Rating | 50 Watts |
Mechanical | |
Weight | 0.5 lb. Maximum |
Height | 20.0 In. Maximum |
Material | Cast housing / Fiberglass whip |
Finish | Polyurethane Enamel |
Connector | BNC (female) |
Environmental | |
Temperature | -55ºC to +85ºC |
Altitude | 50,000 ft. |
Air Speed | 250 knots TAS |
Federal Specifications | |
RTCA Environment | DO-160D |
Environmental Category | [D2X]ACB[R(C,C1)U(F,F1)] XWFDXSXXXXX[XX]X[XXXX]XAX |
FAA TSO | C37d, C38d |
RTCA MOPS | DO-186A |
Order Options | |
Connector | |
BNC | Standard |
Color | |
White | Standard |
Gasket | |
C29205 Cork Neoprene |