Vibro-Acoustic/Temperature MIL-STD-810 Method 523

Vibro-Acoustic/Temperature MIL-STD-810
Vibro-Acoustic/Temperature MIL-STD-810
Photo By: Air Force Staff Sgt. Jessi Roth

Vibro-Acoustic/Temperature MIL-STD-810 Method 523.4 testing is performed to evaluate the effects of acoustic noise, vibration, and temperature on aircraft externally carried stores during flight.  Aircraft stores refer to devices that are mounted on aircraft suspension and release equipment such as missiles, rockets, or bombs.

This MIL-STD-810 testing method can be used to:

  • Reveal and correct design deficiencies 
  • Demonstrate reliability
  • Estimate Mean Time Between Failures (MTBF)
  • Determine relative reliability for source comparison

Method 523 an Exception in MIL-STD-810

Vibro-Acoustic/Temperature varies in purpose from most methods in this military standard.  The standard, in fact, clearly states that this testing is not intended for environmental design qualification.  Most methods in the standard are limited in purpose for Developmental Test and Evaluation of the effects of environmental conditions expected in the service life of a test item, but Method 523 includes MTBF, manufacturing testing, lot acceptance, and source comparison evaluation.  

This testing therefore is not intended to replace design qualification of other methods such as:

  • Test method 501.6 High Temperature;
  • Test Method 502.6 Low Temperature;
  • Test Method 503.6 Temperature Shock; 
  • Test Method 514.8 Vibration or,
  • Test Method 515.5 Acoustic Noise

Implementation of Additional Environmental Stresses

The utilization of stressors beyond Vibration, Acoustic Vibration, and Temperature is allowed in this method in cases where those stresses are expected to regularly occur.  These stressors include electrical supply variations such as low and high voltage, voltage spikes, and power ripple.  Relevant environmental stresses may include humidity, shock, and altitude.

Detailed Environmental Test Plan Templates

CVG Strategy offers EZ Test Plan Templates for MIL-STD environmental (climatic/dynamic) and EMI/EMC test documentation.  Our Detailed Environmental Test Plans (DETP)s are written as specified in Department of Defense standard MIL-STD-810 Task 405.  They are available for specific applications such as Ground Mobile, Ground Stationary, and Shipboard Controlled, Shipboard Uncontrolled, and Aircraft Military.

These DETPs include appropriate methods, (such as Vibro-Acoustic/Temperature MIL-STD-810 Method 523) addendums for product specific information, test labels for photo identification and data sheets for collection of required data. Profile (LCEP). 

Our Electromagnetic Interference Test Plans are written as specified in MIL-STD-461.  They contain the test methodology, addendums for product specific information, test labels for photo identification and data sheets.  These plans are available for procedures listed in MIL-STD-461 and are also available for MIL-STD-1275, MIL-STD-704, and MIL-STD-1399-300. 

Custom Test Plans are also available for applications not covered in the EZ Test Plan offerings.  These plans can be written for any number of applications and their relevant standards.

MIL-STD-810 Training Classes

CVG Strategy MIL-STD-810 classes will provide you with the ability to develop and conduct an environmental test program.  Our two-day course not only provides you with valuable information about climatic and dynamic test methods but also includes training in the methodology to correctly apply test tailoring relevant to the test item’s expected life cycle. 

This course is available online or onsite.  Ample time is available for questions and comments so that participants are encouraged to keep engaged.  Check here for our online Training Registration Schedule.