light jet
N400MS1972 Learjet 24D (design reference)

Registration record
N400MS on the FAA register
- Type
- 1972 Learjet 24D (design reference)
- Serial
- 246
- Engines
- 2 × GE CJ610-6
- Registered owner
- Mil Oh LLC, Camden, DE, US
- Certificate issued
- 2025-09-08
- Airworthiness date
- 2025-09-30
- Registration expires
- 2032-09-30
- Mode S (hex)
- A4ADC5
- Status
- Current as of October 2026
Overview
N400MS is a 1972 Learjet 24D (design reference), serial number 246. The FAA lists Mil Oh LLC as the registered owner. Its aircraft category is light jet.
FAA registration
The FAA record identifies the make as LEARJET INC and the model as 24D. The certificate of registration was issued on September 8, 2025. The recorded airworthiness date is September 30, 2025. These dates describe different entries in the registry: the registration certificate and the aircraft's airworthiness record.
Type reference
The classification cites FAA A10CE exact24D identity listed by EASA; no production serial boundary inferred. The engine reference in the record is GE CJ610-6, 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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