Boeing D6-81926 Equipment Vibration Test

Aviation and Space Tests

Boeing D6-81926 Equipment Vibration Test

The Boeing D6-81926 provides vibration-related reference requirements for Boeing engineers responsible for the preparation of equipment Specification Control Drawings (SCD) and equipment supplier engineers who prepare Qualification Test Procedures (QTP) and Qualification Test Reports (QTR).

Boeing D6-81926 Equipment Vibration Test

Purpose of Boeing D6-81926:

  • Defines consistent equipment vibration and shock qualification design/test requirements for all Boeing commercial airplane models.
  • Summarizes equipment acceleration load factors required by FARs.
  • Defines Fan Blade Failure vibration design/test requirements for flight critical equipment.

The purpose of equipment vibration proficiency testing is to demonstrate, through testing, that the functionality and durability of the equipment is sufficient to provide trouble-free service throughout the aircraft design life. To achieve this in a relatively short test period, vibration test levels are higher than the actual service vibration environment. Test levels are derived using standard time compression methods based on the fatigue failure mode.

The purpose of the acceleration test is to ensure adequate structural integrity for the aircraft's operating environment and to protect passengers and crew in the event of an Emergency Landing Load, emergency landing. The purpose of the shock test is to assess any susceptibility to damage during the operating environment of the aircraft, in sequence use, transport, emergency landing, and in a few unique cases.

The purpose of the Fan Blade Failure testing is to ensure that critical flight equipment can withstand this condition.

Equipment testing requirements defined in Boeing D6-81926 apply to all models of Boeing commercial airplanes. This document is for:

  • New equipment.
  • Existing equipment being installed on new locations
  • New/derivative aircraft.
  • Existing equipment that is being sufficiently modified to warrant retesting.

EUROLAB Laboratory assists manufacturers who require testing for the Boeing D6-81926.

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