EQUIPMENT MANUAL 265-16-3 REV. 1.00
265-16-3
CONFIDENTIAL AND PROPRIETARY TO COBHAM
Page 1
EQUIPMENT MANUAL
MODEL 265-005
AREA MICROPHONE PREAMPLIFIER
1.0
OPERATING INSTRUCTION AND EQUIPMENT LIMITATIONS
This document makes references to dB Systems, Inc. and NAT Seattle, Inc. Please note that dB
Systems, Inc. and NAT Seattle, Inc. have been changed to Cobham. For references to dB Systems,
Inc. or NAT Seattle, Inc. herein, substitute Cobham.
The conditions and tests required for TSO approval of this article are minimum performance standards.
It is the responsibility of those installing this article either on or within a specific type or class of aircraft
to determine that the aircraft installation conditions are within the TSO standards. TSO articles must
have separate approval for installation in an aircraft. The article may be installed only if performed
under 14 CFR part 43 or the applicable airworthiness requirements.
The Model 265-005 Area Microphone Preamplifier is designed to detect and amplify acoustic cockpit
signals for routing to cockpit voice recorders.
Models 265-005 includes an internally mounted microphone that receives acoustic input signals at the
microphone opening located at the front of the enclosure.
These commodities, technology or software are controlled in accordance with the United States Export Administration Regulations, Export Classification
Control Number(ECCN) 7E994. When exporting, diversion contrary to U.S. law is prohibited.