N281PR - 1998 Scaled Composites LLC 281 Aircraft Registration

PRTS

1998 SCALED COMPOSITES LLC 281

Aircraft Description

N281PR is a 1998 Scaled Composites LLC 281, a twin-engine turbo-fan aircraft registered to Scaled Composites LLC in Mojave, CA. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on September 15, 2025. The registration certificate was issued on September 1, 2015. The registration is set to expire on September 30, 2028. Powered by a Williams FJ 44 SERIES engine producing 1900 pounds of thrust, N281PR is. The aircraft's Mode S transponder code is A2D307 (hex), used for ADS-B identification and flight tracking. N281PR was last tracked by AviatorDB near Mojave Airport (KMHV) on March 11, 2026. The FAA registry record for N281PR was last updated on June 10, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Scaled Composites Model 281 Proteus was a groundbreaking high-altitude long-endurance research aircraft designed to serve as a stratospheric telecommunications relay platform. First flown on July 26, 1998, it featured an innovative tandem-wing configuration with two Williams International FJ44-2E turbofan engines and accommodated a two-person crew in a pressurized cabin. The aircraft achieved sustained horizontal flight at 62,385 feet and could carry 2,000 pounds of research payloads for up to 18 hours. Only one example was built by Scaled Composites at their Mojave, California facility. AviatorDB tracks 11 Scaled Composites LLC aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is PRTS.

AviatorDB has found no NTSB accident or incident reports involving N281PR. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.

Model Year
1998
Manufacturer
SCALED COMPOSITES LLC
Model
281
Type Aircraft
Fixed Wing Multi Engine
ICAO Type Code
PRTS281 Proteus
Weight Class
Up to 12,500 lbs
Airworthiness Date
September 15, 2025
Classification
Experimental 1 Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
September 1, 2015

Registered Owner

Name
SCALED COMPOSITES LLC
Address
1624 FLIGHT LINE
City
MOJAVE
State / Zip Code
California93501-1663
Country
United States

Powerplant & Avionics

Engine Type
Turbo-fan
Number of Engines
2
Engine Manufacturer
WILLIAMS
Engine Model
FJ 44 SERIES
Thrust
1900 lbs
Mode S Code (Oct)
50551407
Mode S Code (Hex)
A2D307

Additional Details

Registration
N281PR
Serial Number
001
Number of Engines
2
Number of Seats
2
Expiration Date
September 30, 2028
Last Action Date
June 10, 2023
Last Update Date
January 19, 2026
Unique ID
00156961

Last Known Position

Date
March 11, 2026 (UTC 22:57:21)
Airport
Latitude
35.057222
Longitude
-118.160477

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-04-01 01:32:20 UTC