FAA Airworthiness Directive Seeks HUD Fix, EFVS Limits on Bombardier Global 7500 | Aviation International News

FAA AD Seeks HUD Fix, EFVS Limits on Global 7500

An FAA airworthiness directive prohibits steep approach landing and EFVS use until the HUD is calibrated on Bombardier Global 7500s.

Bombardier Global 7500 (Photo: Bombardier) — Bombardier said most operators have taken steps to fix misalignment issues with the HUD on the Global 7500. (Photo: Bombardier)

By Kerry Lynch • Editor, AIN monthly magazine

February 14, 2023

The has released an airworthiness directive (AD) that prohibits steep-approach landing and enhanced flight vision system operations (EFVS) on Bombardier Global 7500s until a mandatory calibration of the head-up display (HUD) is completed.

AD 2022-27-02 stems from a report of a lateral offset between the synthetic vision system and the actual runway that was observed on several Global 7500s, said the FAA, citing a mechanical misalignment of the HUD during manufacture as the cause of this offset. If not corrected, such an offset could create an incorrect airplane reference display on the HUD and lead to excessive deviation during landing. The agency warned that this could affect steep-approach and EFVS operations.

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