large-cabin jet
N178B1973 Gulfstream IIB (certified family)

Registration record
N178B on the FAA register
- Type
- 1973 Gulfstream IIB (certified family)
- Serial
- 125
- Engines
- 2 × Rolls-Royc SPEY 511-8
- Registered owner
- Missile Defense Agency (Mda), Tulsa, OK, US
- Certificate issued
- 2004-11-05
- Airworthiness date
- 2023-07-12
- Registration expires
- 2028-11-30
- Mode S (hex)
- A136FE
- Status
- Current as of October 2026
Overview
N178B is a 1973 Gulfstream IIB (certified family), serial number 125. The FAA lists Missile Defense Agency (Mda) as the registered owner. Its aircraft category is large-cabin jet.
FAA registration
The FAA record identifies the make as GULFSTREAM AEROSPACE and the model as G1159B. The certificate of registration was issued on November 5, 2004. The recorded airworthiness date is July 12, 2023. These dates describe different entries in the registry: the registration certificate and the aircraft's airworthiness record.
Type reference
The classification cites EASA IM.A.070 Issue 13, section 3 (FAA A12EA). The engine reference in the record is Rolls-Royc SPEY 511-8, with 2 engines. These model references identify the recorded aircraft type. The aircraft's installed equipment and operating limitations require its own records.
Data: Radar, FAA aircraft registry file of 2026-10-09.
Records & AD tracking by Radar
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