The U.S. aircraft register, updated daily
Parts

Enhanced Ground

No failure report names the enhanced ground. 20 FAA approvals let 6 companies make a replacement enhanced ground, Aircraft Systems & Mfg INC holding the most (12).

Approved replacement parts 20 parts manufacturer approvals

A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a enhanced ground and sell it as an approved part for the models named. These are the companies holding such approvals for a enhanced ground:

For these models most: Boeing 737 (8), Boeing 767 (3), Boeing 757 (3), Mcdonnell Douglas DC-9 (2), Boeing 747 (2), Sikorsky S-76 (1), Bombardier CL-600 Challenger and CRJ (1).

MakerPartReplacesFitsGrantedStatus
Arinc Engineering Services LLCEnhanced Ground Proximity Warning System AO529200000Modification PartBoeing 767-200, 767-300, 767-300F2006-02-15current
Aircraft Systems & Mfg INCEnhanced Ground Proximity Warning System (EGPWS) Installation Kit K5543-0000-06Modification PartBoeing 737-300 Series2004-11-11current
Aircraft Systems & Mfg INCEnhanced Ground Proximity Warning System (EGPWS) Installation Kit K5543-0000-06Modification PartBoeing 737-300 Series2004-11-11current
Learjet INCEnhanced Ground Proximity Warning System Installation BAS63010101Modification PartBombardier, Inc. CL-600-1A11, 2A122004-02-23current
Aircraft Systems & Mfg INCEnhanced Ground Proximity Warning System (EGPWS) K5609-0000-00Modification PartBoeing 747-200 Series2002-07-28current
Aircraft Systems & Mfg INCEnhanced Ground Proximity Warning System (EGPWS) K5609-0000-00Modification PartBoeing 747-200 Series2002-07-28current
Aircraft Systems & Mfg INCEnhanced Ground Proximity Warning System (EGPWS) K5543-0000-04Modification PartBoeing 737-300 Series2002-05-15current
Aircraft Systems & Mfg INCEnhanced Ground Proximity Warning System (EGPWS) K5543-0000-04Modification PartBoeing 737-300 Series2002-05-15current
Aircraft Systems & Mfg INCEnhanced Ground Proximity Warning System (EGPWS) K5606-0000-00Modification PartBoeing 737-200 Series2002-04-02current
Aircraft Systems & Mfg INCEnhanced Ground Proximity Warning System (EGPWS) K5604-0000-00Modification PartBoeing 737-200 Series2002-04-02current
Aircraft Systems & Mfg INCEnhanced Ground Proximity Warning System (EGPWS) K5604-0000-00Modification PartBoeing 737-200 Series2002-04-02current
Aircraft Systems & Mfg INCEnhanced Ground Proximity Warning System (EGPWS) K5606-0000-00Modification PartBoeing 737-200 Series2002-04-02current
Aircraft Engineering & Installation Services INCEnhanced Ground Proximity Warning System Installation Kit 960-2227-007-001Modification PartMcDonnell Douglas DC-9-81 (MD-81), DC-9-82 (MD-82),...2002-03-20current
Keystone Helicopter CorporationEnhanced Ground Proximity Warning System MKVIII (EGPWS) Keystone 33776-61412Sikorsky 33776-61412Sikorsky S76B, S76C2002-01-03current
Aircraft Systems & Mfg INCEnhanced Ground Proximity Warning System (EGPWS) K5585-0000-00Modification PartBoeing 757-2002001-04-29current
Aircraft Systems & Mfg INCEnhanced Ground Proximity Warning System (EGPWS) K5585-0000-00Modification PartBoeing 757-2002001-04-29current
Aircraft Engineering & Installation Services INCEnhanced Ground Proximity Warning System Installation Kit 960-2227-003-001Modification PartBoeing 757-200 Series2001-04-15current
Aircraft Engineering & Installation Services INCEnhanced Ground Proximity Warning System Installation Kit 960-2227-004-001Modification PartBoeing 767-200, -300, -400F2000-10-22current
Canard Aerospace CorporationEnhanced Ground Proximity Warning System (EGPWS),... 72411-1002Modification PartBoeing 767-3002000-04-06current
Aircraft Engineering & Installation Services INCEnhanced Ground Proximity Warning System Installation Kit 960-2227-007-001Modification PartMcDonnell Douglas DC-9-82 Series (MD-82) DC-9-83 (MD-83)2000-03-01current

Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.