Skip to content
Avionics

STC ST04752NY

FAA DRS lists ST04752NY as Current · Amended, held by LB Aircraft Engineering, for Boeing 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series, and 6 more aircraft configurations. Recorded change: Replacement of Dual Analog Radio Altimeter Transceivers with Dual 5G Tolerant Collins Aerospace or Honeywell Digital Radio Altimeters Transceivers and Dual Shadin Digital-to-Analog Converters. S. Snapshot dated June 30, 2026.

FAA-listed holder
LB Aircraft Engineering
Aircraft configurations
9
FAA revision date
FAA status
Current · Amended

Recorded modification

What the FAA record covers

Replacement of Dual Analog Radio Altimeter Transceivers with Dual 5G Tolerant Collins Aerospace or Honeywell Digital Radio Altimeters Transceivers and Dual Shadin Digital-to-Analog Converters. S.

ST04752NY identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Boeing 737-300 Series, Boeing 737-400 Series, and Boeing 737-500 Series, and 6 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing 737-300 SeriesA16WEBoeing 737-400 SeriesA16WEBoeing 737-500 SeriesA16WEBoeing DC-9-81 (MD-81)A6WEBoeing DC-9-82 (MD-82)A6WEBoeing DC-9-83 (MD-83)A6WEBoeing DC-9-87 (MD-87)A6WEBoeing MD-88A6WEBoeing MD-90-30A6WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing 737-300 Series and Boeing 737-400 Series, and 7 more aircraft configurations model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

Related avionics STCs