Navigate / EASA
Appendix 1 to ETSO-C47a A1 – Minimum Performance Standards (MPSs) for Pressure Instruments - Fuel, Oil and Hydraulic

ED Decision 2013/012/R

1. The MPSs applying to this ETSO are provided in SAE AS408C, Pressure Instruments - Fuel, Oil, and Hydraulic, dated July 1, 2001, except for paragraphs 3.1, 3.1.1, 3.1.2, and 3.2.b.

Here are provided the modifications to be applied to the referenced SAE document:

AS408C

modification:

Title

Replace “Pressure Instruments – Fuel, Oil, and Hydraulic (Reciprocating Engine Powered Aircraft)” Substitute: “Pressure Instruments – Fuel, Oil, and Hydraulic”

Section 1.1

Replace “…primarily for use with reciprocating engine powered transport aircraft, …” Substitute: “…for use with civil aircraft,...”

AS408C section 7

modification:

Para 7.13

Use test conditions in SAE AS1055 Rev D, “Fire Testing of Flexible Hose, Tube Assemblies, Coils, Fittings, and Similar System Components”, dated June 1, 1997, Sections 4 and 5.


The following test conditions from the environmental standards mentioned in paragraph 3.1.2 above are added.

Para 7.14

Section 16, Power Input.

Para 7.15

Section 17, Voltage Spike.

Para 7.16

Section 18, Audio Frequency Conducted Susceptibility – Power Inputs.

Para 7.17

Section 19, Induced Signal Susceptibility

Para 7.18

Section 20, Radio Frequency Susceptibility.


2. The performance of fuel, oil and hydraulic pressure instruments can be enhanced or made superior to this specification, depending on intended application and configuration.

[Amdt ETSO/3]

[Amdt ETSO/8]

Contact support