N660S - 2006 Cessna 525A Aircraft Registration

C25A

2006 CESSNA 525A

Aircraft Description

N660S is a 2006 Cessna 525A, a twin-engine turbo-fan aircraft registered to Alpine II LLC in Boulder, CO. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on May 4, 2006. The registration certificate was issued on December 22, 2017. The registration is set to expire on December 31, 2027. Powered by a Williams FJ44-3A-24 engine producing 2490 pounds of thrust, N660S is. The aircraft's Mode S transponder code is A8B5C9 (hex), used for ADS-B identification and flight tracking. N660S was last tracked by AviatorDB near Mcclellan-palomar Airport (KCRQ) on March 22, 2026. The FAA registry record for N660S was last updated on April 7, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Cessna 525 Citation CJ1 represented a significant evolution in light business aviation as an improved successor to the original CitationJet. First flown in 1999, it was a low-wing twin-engine business jet powered by Williams FJ44-1A turbofans that could accommodate 6-8 passengers in typical corporate configurations. Spanning 47 feet with a range of 887 nautical miles, the CJ1 was manufactured by Cessna Aircraft Company from 2000 to 2005. AviatorDB tracks 80,556 Cessna aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is C525.

AviatorDB has found no NTSB accident or incident reports involving N660S. 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
2006
Manufacturer
CESSNA
Model
525A
Type Aircraft
Fixed Wing Multi Engine
ICAO Type Code
C25A525A Citation CJ2
Weight Class
12,500–19,999 lbs
Airworthiness Date
May 4, 2006
Classification
Standard Normal Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
December 22, 2017

Registered Owner

Name
ALPINE II LLC
Address
3835 NORWOOD CT
City
BOULDER
State / Zip Code
Colorado80304-1345
Country
United States

Powerplant & Avionics

Engine Type
Turbo-fan
Number of Engines
2
Engine Manufacturer
WILLIAMS
Engine Model
FJ44-3A-24
Thrust
2490 lbs
Mode S Code (Oct)
52132711
Mode S Code (Hex)
A8B5C9

Additional Details

Registration
N660S
Serial Number
525A0305
Number of Engines
2
Number of Seats
8
Expiration Date
December 31, 2027
Last Action Date
April 7, 2023
Last Update Date
January 19, 2026
Unique ID
00224709

Last Known Position

Date
April 6, 2026 (UTC 00:10:50)
Airport
Latitude
39.910118
Longitude
-105.107544

Data Source

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

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