Aviation Safety & Regulation   Policy & Regulation  

FAA mandates radio altimeter upgrades for Part 135/91K operators

The FAA issued a mandate requiring upgrades to aircraft radio altimeters, covering most aircraft operated under Part 135 and 91K, and some operations under Part 91. The directive impacts how affected operators maintain compliance ahead of continued commercial and private operations.

Discovered 2026-07-28T11:02:03.905194-07:00 | 2026-07-28T11:02:03.905194-07:00

Briefing

What Hype is tracking

  • The mandate directly affects aircraft equipage and compliance timelines for operators flying under Part 135 and 91K, plus some Part 91 operations.
  • Radio altimeter changes have installation/airworthiness implications that can drive maintenance planning, documentation updates, and scheduling for avionics work.
  • For executives managing regulatory risk across fleets, this is a clear, FAA-driven requirement that can alter near-term operational readiness and cost forecasts.

Reported By

AINonline
Sources Tracked
1
First Seen
2026-07-28T11:02:03.905194-07:00
Latest Update
2026-07-28T11:02:03.905194-07:00
Coverage
Aviation

Sources

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