Northern Airborne Technology 251 User Manual
Page 21

251-xxx
Environmental Qualification Form
Rev: 1.00
Jul 28, 2009
Page 2 of 2
ENG-FORM: 521-0102.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
Conditions
Section
Description of Conducted Tests
Salt spray
14.0
Category X, no test performed
Magnetic effect
15.0
Class Z
Power input
16.0
Categories B and Z
Equipment met requirements for Emergency
Electrical System Operation per DO-160C
subparagraph 16.5.2.1 b (3)
Voltage spike
17.0
Category A
Audio frequency conducted
susceptibility
18.0
Category A
Induced signal susceptibility
19.0
Category A
Radio frequency susceptibility
20.0
Change No. 3
Category T
Emission of radio frequency energy
21.0
Category Z
Lightning induced transient
susceptibility
22.0
Change No. 2
Category XXC2
Lightning direct effect
23.0
Category X, no test performed
Icing
24.0
Category X, no test performed
REMARKS
Model 251-[ ] was qualified to the environmental test requirements of RTCA DO-160C by similarity to
Models 250-[ ] and 700-[ ].
For Model 250-[ ]:
-Tests of DO-160C, Sections 4.0 (paragraphs 4.5.1, 4.5.2, & 4.5.3), 5.0, 16.0, and 18.0 were conducted at
dB Systems, Inc. in Redmond, Washington.
-Tests of DO-160C, Sections 4.0 (paragraphs 4.6.2 & 4.6.3) and 20.5 (radiated susc.) were conducted at
Sundstrand Data Control Inc. in Redmond, Washington.
-Tests of DO-160C, Sections 4.0 (paragraph 4.6.1), 7.0, 8.0, 15.0, 17.0, 19.0, 20.4 (conducted susc.), 21.0,
and 22.0 were conducted at Eldec Corporation in Lynnwood, Washington.
For Model 700-[ ]:
-Tests of DO-160C, Sections 4.0 (paragraphs 4.5.1, 4.5.2 & 4.5.3), 5.0, 16.0 (except subparagraph 16.5.2.3
b), and 18.0 were conducted at dB Systems, Inc. in Redmond, Washington.
-Tests of DO-160C, Sections 4.0 (paragraphs 4.6.1, 4.6.2 & 4.6.3), 7.0, 8.0, 15.0, 16.0 (subparagraph
16.5.2.3b),17.0, 19.0, 20.0, 21.0 and 22.0 were conducted at Sundstrand Data Control, Inc. in Redmond,
Washington.
- Tests of DO-160C, Section 6.0, were conducted at Eldec Corporation and meet requirements based on
similarity to Models 207 and 407.
End of Environmental Qualification Form