Registry / N-number
N499UM
LEARJET INC C-21A · Valid
Aircraft
- Make
- LEARJET INC
- Model
- C-21A
- Year manufactured
- —
- Serial number
- 84-0128
- Type
- Fixed wing multi engine · 10 seats · 2 engines
- Weight class
- 12,500 – 19,999 lbs
Engine
- Manufacturer
- —
- Model
- —
- Type
- Turbo-fan
Registration
Registrant
- Name
- Premier Jets Inc
- Type
- Corporation
- Location
- HILLSBORO, OR
See other aircraft in Oregon
Certificate
- Status
- Valid
- Issued
- 2026-03-19
- Airworthiness
- —
- Expires
- 2033-03-31
- Last action
- 2026-03-19
- Fractional ownership
- No
ADS-B / Mode S
- Mode S hex (ICAO 24-bit)
- A63355
- Mode S octal
- 51431525
Every transponder-equipped aircraft broadcasts its Mode S hex code on 1090 MHz. ADS-B receivers like FlightAware and FlightRadar24 use this ICAO code to identify the aircraft.
Source: FAA Releasable Aircraft Database (public domain). Last action on this record: 2026-03-19.