Environmental

• Reliability (MTBF) - MIL-HDBK-217
• Environmental - MIL-STD-810E :
• Low Temperature (-40°C Operational, -57°C Storage, Method 502.3, Procedure I and II)
• High Temperature (Hot, Method 501.3, Procedure I and II)
• High Temperature plus Solar Radiation (+71°C, Method 505.3, Procedure I and II)
• Humidity (Method 507.3, Procedure I and II)
• Atmospheric Pressure (945 to 1060 millibars)
• Elevation (Method 500.3, Procedure I and II)
• Sand & Dust (Method 510.3)
• Rain (Method 506.3, Procedure I)
• Salt Fog (Method 509.3 Procedure 1)
• Immersion (Method 512.3, Procedure I)
• Vibration (Method 514.4, Procedure 1, Category 8)
• Shock (Method 516.4, Procedure IV and VI & MIL-S-901)
• Fungus (Method 508.4)
• Explosive Atmosphere (Method 511.3, Procedure 1)
• Electromagnetic Compatibility - MIL-STD-461C
• Part 4 (CE01, CE03, CE07, CS01, CS02, CS06, RE02, RS02 and RS03)
• Electromagnetic Pulse - MIL-STD-461C part 4, (RS05 and CS11)
• Electrostatic Discharge - IEC 801-2:2, level 4
• Rapid Speech Transmission Index (RASTI)

Reliability and Maintainability

Actual reliability (in service) between 3 and 5 times calculated figures

Preventative Maintenance limited to system check and visual inspection

Intermediate Level diagnosis to LRU

Repair using CATS typically 0.7 hours maximum