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diff --git a/wiki/aerospace/standard/DO-160.org b/wiki/aerospace/standard/DO-160.org new file mode 100644 index 0000000..ea6f19b --- /dev/null +++ b/wiki/aerospace/standard/DO-160.org @@ -0,0 +1,108 @@ +# -*- mode: org; -*- + +#+TITLE: DO-160 +#+SUBTITLE: Environmental Conditions and Test Procedures for Airborne Equipment. +#+AUTHOR: Marius Peter +#+DATE: <2022-02-11 Fri> +#+EMAIL: mlnp@tuta.io +#+OPTIONS: toc:nil + +#+DESCRIPTION: Environmental Conditions and Test Procedures for Airborne Equipment. +#+KEYWORDS: aerospace, rtca, DO-160 + + +#+TOC: headlines 2 + + +#+begin_abstract +The DO-160 document is a standard for environmental testing for +airborne equipment published by the RTCA. +#+end_abstract + + +* Introduction + + https://do160.org/rtca-do-160g/ + + +* Equipment categories + +Equipments are categorized as a function of the environments to which +they are subjected during normal operation. + + +* Sections + +Sections 7 and 8 are aircraft dependent. + + +** List +:PROPERTIES: +:HTML_CONTAINER_CLASS: big-table +:END: + +#+NAME: sections +#+CAPTION: List of DO-160 section. +| ยง | Name | Concerns the effects of... | Parameters of interest | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 1 | /Introductory sections/ | /N/A/ | /N/A/ | +| 2 | | | | +| 3 | | | | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 4 | Temperature | Temperature on the system. | Temperature, condensation. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 4 | Altitude | Altitude & cabin depressurization on performance. | Dielectric strength, (rapidly) varying air pressure. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 5 | Temperature Variation | Extreme temperature changes. | Temperature delta, thermal expansion coefficients. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 6 | Humidity | High concentrations of humidity; ability to withstand moisture effects.[fn:1] | Hygrometry. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 7 | Shock & Crash safety | Mechanical shock. Ensures the item does not become a projectile in a crash. | Potential for projectile behavior. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 8 | Vibration | Vibrations. | Normal operation in all vibration scenarios. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 9 | Explosion proofness | Vacuum + gaseous mixture of combustibles. | The unit must be operable without igniting the environment. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 10 | Water proofness | Dripping water or pooled water. | Normal operation after exposure. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 11 | Fluids susceptibility | Various fluids including carbonated sugared beverages and cleaners/solvents. | Normal operation after exposure. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 12 | Sand & Dust | Blowing sand and dust of specific particle sizes. | Normal operation after exposure. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 13 | Fungus Resistance | Fungi under conditions favorable for their development.[fn:3] | Fungal proliferation. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 14 | Salt & Fog | Multiple exposures of salt fog and drying; environmentally accelerated corrosion. | Normal operation after exposure. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 15 | Magnetic effect | Magnetic effects on the aircraft's compass. | Normal aircraft compass function. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 16 | Power input | Input power emissions, susceptibility, transients, drop-outs, hold-up.[fn:2] | Voltage, current, phase. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 17 | Voltage spike | Voltage spikes caused by input power. | AC/DC voltage. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 18 | Audio Frequency Conducted Susceptibility | Frequency components during normal operation. | Power source harmonics. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 19 | Induced Signal Susceptibility | Induced voltages in the equipment interconnect circuit configuration. | power frequency harmonics; audio frequency signals, electrical transients. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 20 | RF emission and susceptibility | Normal operation on radio frequency emission energy and susceptibility. | | +| 21 | | | | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 22 | Lightning susceptibility | Direct and indirect effects, depending on location. | induced transients in the airframe or wire bundle. | +| 23 | | | | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 24 | Icing | Icing conditions arising from rapid changes in temperature, altitude and humidity. | Presence of ice. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 25 | ESD | ESD in handling and operation. | ESD. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 26 | Flammability | Normal operation on presenting a fire hazard. | Normal operation not causing a fire. | + + +* Footnotes + +[fn:3] This includes high humidity, a warm atmosphere, and the +presence of inorganic salts. + +[fn:2] Full flight mission must be considered, from prior to the +engine start, to after landing---including emergencies. + +[fn:1] Moisture sensitive devices may experience issues with this test +and require conformal coat or other types of protection. |