ENVIRONMENTAL QUALIFICATION FORM
Description:
Passenger Speaker Amplifier
Document #:
240\521-0
NAT Part #:
240-xxx
TSO #:
:
TSO-C50c
Manufacturer’s Specification and/or Other Applicable Specification:
RTCA DO-160B
Manufacturer:
Wulfsberg Electronics Division
Address:
6400 Wilkinson Drive, Prescott, AZ USA 86301
Prepared By:
Checked By:
Approved By:
Rev: 1.01
May 21, 2010
Page 1 of 2
ENG-FORM: 521-0102.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
CONDITIONS
DO-160B
SECTION/
PARAGRAPH
DESCRIPTION OF CONDUCTED TESTS
Temperature and Altitude
Low temperature
High temperature
In-flight loss of cooling
Altitude
4.0
4.5.1
4.5.3
4.5.4
4.6.1
Category F2
-55°C Operating Low Temperature
+70°C Operating High Temperature
No cooling required
+70,000 feet
Temperature Variation
5.0
Category B
Humidity 6.0
Category
A
Operational Shocks and Crash Safety
Operational Shocks
Crash Safety
7.0
7.2
7.3
Operational and Crash shocks per DO-160B,
paragraphs. 7.2.1, 7.3.1, 7.3.2 and 7.3.2.2
(without shock mounts)
Vibration
8.0
Categories J, L, and O (DO-160B, Table 8-1)
without shock mounts
Explosion Proofness
9.0
Category X, no test performed
Waterproofness
10.0
Category X, no test performed
Fluids Susceptibility
11.0
Category X, no test performed
Sand and Dust
12.0
Category X, no test performed
Fungus Resistance
13.0
Category X, no test performed
Salt Spray
14.0
Category X, no test performed
