B. Environmental qualification
EUROCAE/RTCA ED-14D/DO-160D
Condition Sec ti on Cat. Des crip ti on
Tem pe ra tu re and Al ti tu de 4.0 D1 Equip ment tes ted to Ca te go ry D1
Low Ground Sur vi val Tem pe ra tu re 4.5.1 D1 -55 deg C
Low Ope ra ting Tem pe ra tu re 4.5.1 D1 -20 deg C,
High Ground Sur vi val Temp 4.5.2 D1 +85 deg C
High Short-Time Ope ra ting Temp. 4.5.2 D1 +70 deg C
High Ope ra ting Temp. 4.5.2 D1 +55 deg C
In-flight Loss of Coo ling 4.5.4 Z No for ced coo ling re qui red – No test
re qui red
Al ti tu de 4.6.1 D1 50000 ft
De com pres si on 4.6.2 Not applicable
Over pres su re 4.6.3 Not appli ca ble
Tem pe ra tu re Va ria ti on 5.0 B Equip ment tes ted to Ca te go ry B
Hu mi di ty 6.0 A Equip ment tes ted to Ca te go ry A
Shock and Crash Sa fe ty 7.0 B Equip ment tes ted to Ca te go ry B
Vi brat ion 8.0 S
U
Cat. S, vi brat ion test cur ve M
Cat. U, vi brat ion test cur ve G
Ex plo si on Pro of ness 9.0 X No test re qui red, Equip ment iden ti fied
as Cate go ry X
Wa ter pro of ness 10.0 X No test re qui red, Equip ment iden ti fied
as Ca te go ry X
Fluids Sus cep ti bi li ty 11.0 X No test re qui red, Equip ment iden ti fied
as Ca te go ry X
Sand and Dust 12.0 X No test re qui red, Equip ment iden ti fied
as Ca te go ry X
Fun gus Re sis tan ce 13.0 X No test re qui red, Equip ment iden ti fied
as Ca te go ry X
Salt Spray 14.0 X No test re qui red, Equip ment iden ti fied
as Ca te go ry X
Mag ne tic Ef fect 15.0 Z Equip ment is Class Z
Po wer In put 16.0 B Equip ment tes ted to Ca te go ry B
Vol ta ge Spi ke 17.0 A Equip ment tes ted to Ca te go ry A
Au dio Freq. Con duc ted Sus cep ti bi -
li ty
18.0 B Equip ment tes ted to Ca te go ry B
In du ced Sig nal Sus cep ti bi li ty
19.0 A Equip ment tes ted to Ca te go ry A
Ra dio Fre quen cy Sus cep ti bi li ty 20.0 WW Equip ment tes ted to Ca te go ry WW
Spu ri ous RF Emis si on 21.0 B Equip ment tes ted to Ca te go ry B
Light ning In du ced Tran sients Sus -
cep ti bi li ty
22.0 A3E3X Equip ment tes ted to Ca te go ry A3E3X
Light ning Di rect Ef fects
23.0 X No test re qui red, Equip ment iden ti fied
as Ca te go ry X
Icing 24.0 X No test re qui red, Equip ment iden ti fied
as Ca te go ry X
Elec tro sta tic Disch ar ge 25.0 A Equip ment tes ted to Ca te go ry A
INSTALLATION AND OPERATION
CU 6401-1-(XX)
Page 1-3
34-50-10
February 2007