The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Lb Aircraft Engineering

Named as the FAA publishes it on its approvals.

Holds 2 approved modifications, most of them for the Mcdonnell Douglas DC-9. Holds 8 approvals to make replacement parts. FAA spelling: LB Aircraft Engineering.

Approved modifications 2 · newest first

Mcdonnell Douglas DC-9 1Mcdonnell Douglas Aircraft Co MD-88 1Boeing 737 1
2026-03-09ST04762NY · Installation of Cobham Remote Control Audio Unit (RCAU) · DHC-8-400 Series
2025-12-24ST04752NY · Replacement of Dual Analog Radio Altimeter Transceivers with Dual 5G Tolerant Collins Aerospace or Honeywell Digital... · 737-300 Series, 737-400 Series, 737-500 Series

Replacement parts approved 8 parts manufacturer approvals, 8 current · Virginia Gardens, FL

A parts manufacturer approval lets a company make a replacement part for someone else's aircraft or engine and sell it as an approved part. This company's approvals are mostly for other and general (7), instruments and avionics (1).

Boeing 737 7Mcdonnell Douglas DC-9 1Mcdonnell Douglas Aircraft Co MD-88 1
2025-12-295G Tolerant Radio Altimeter System Master kit AML25-MK-0214 · replaces Modification Part · DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83)
2022-03-15High Alt Ldg Warning System 1-737HAO-500-NG · replaces 1-737HAO-500-NG · 737-700/-800/-900series
2022-03-15High Alt Ldg Warning System 1-737HAO-400-NG · replaces 1-737HAO-400-NG · 737-700/-800/-900series
2022-03-15High Alt Ldg Warning System 1-737HAO-900-NG · replaces 1-737HAO-900-NG · 737-700/-800/-900series
2017-08-13ROCKWELL COLLINS CMU-900 ACARDS/CPDLC System with Link 2000+ LB-CMU.737-MKL-2B · replaces Modification Part · 737-600/-700/ -800/-900 series
2017-08-13ROCKWELL COLLINS CMU-900 ACARDS/CPDLC System with Link 2000+ LB-CMU.737-MKL-1 · replaces Modification Part · 737-600/-700/ -800/-900 series
2017-08-13ROCKWELL COLLINS CMU-900 ACARDS/CPDLC System with Link 2000+ LB-CMU.737-MKL-3 · replaces Modification Part · 737-600/-700/ -800/-900 series
2017-08-13ROCKWELL COLLINS CMU-900 ACARDS/CPDLC System with Link 2000+ LB-CMU.737-MKL-2A · replaces Modification Part · 737-600/-700/ -800/-900 series

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.