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Dassault MRO
Image shows the view of the ground from looking through an aircraft window as the aircraft makes a very sharp right turn
View of Ground

Laseref IV

The Laseref IV IRU is a Ring Laser Gyro (RLG) based inertial reference unit (IRU), providing Honeywell’s proven laser inertial technology in the lightest 4 MCU rack mountable package. The IRU calculates and delivers navigation data to the Flight Management System and the display system such as aircraft attitude (roll, pitch), true heading, magnetic heading, and longitudinal acceleration. The Laseref IV IRU contains three force-rebalance accelerometers and three laser gyros, which it uses to measure inertial motion. Laseref II & III became obsolete and Honeywell is no longer supporting these legacy products as of Jan 1, 2020. The Laseref IV upgrade provides a simple unit replacement that brings benefits to the end user for many years to come.

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Features & Benefits

  • Mitigate obsolescence issues with Laseref II and III
  • Laseref IV is 25 lbs. lighter than Laseref II and 10 lbs. lighter than Laseref III
  • Over 30% improvement in reliability with demonstrated >30,000 FH MTBF
  • Capable of being updated to the latest magnetic variation tables to maintain IFR precision approach
  • Automatic mode control, logic, and automatic initialization for reduced crew workload
  • Long term product roadmap and support plan

Contact Us

Schedule Your Laseref IV Installation

For more information or to schedule your Laseref IV installation, contact your Dassault Falcon Jet service center Regional Sales Manager

RSM Contact Info
Laseref IV Flyer

Estimated Lead Time and Downtime

Preparation Lead Time
30 days

Estimated Downtime/Schedule
Contact your Dassault Falcon Jet service center Regional Sales Manager for downtime and scheduling.

The above lead time and downtime are general estimates only. Please contact your Dassault Falcon Jet service Center Regional Sales Manager for scheduling and downtime for your total aircraft project.