N551HH - 1978 Cessna 551 Aircraft Registration

C551

1978 CESSNA 551

Aircraft Description

N551HH is a 1978 Cessna 551, a twin-engine turbo-fan aircraft registered to Gem Air LLC in Bakersfield, CA. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on February 15, 1985. The registration certificate was issued on June 12, 2007. The registration is set to expire on October 31, 2027. Powered by a P&w Canada JT15D-4 engine producing 2500 pounds of thrust, N551HH is. The aircraft's Mode S transponder code is A703D9 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N551HH was last updated on March 24, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Cessna Citation II/SP (Model 551) was the first twin-turbofan business jet certified for single-pilot operation, revolutionizing corporate aviation by reducing crew requirements while maintaining jet performance. First flown in 1977, it was a low-wing twin-engine aircraft powered by two Pratt & Whitney Canada JT15D-4 turbofans that could seat up to 7 passengers plus one pilot. The aircraft stretched 47 feet in length with a service ceiling of 43,000 feet and maximum cruise speed of 374 knots. Manufactured by Cessna Aircraft Company from 1978 to 1989. AviatorDB tracks 80,556 Cessna aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is C551.

AviatorDB has found no NTSB accident or incident reports involving N551HH. 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
1978
Manufacturer
CESSNA
Model
551
Type Aircraft
Fixed Wing Multi Engine
ICAO Type Code
C551551 Citation 2SP
Weight Class
12,500–19,999 lbs
Airworthiness Date
February 15, 1985
Classification
Standard Normal Category
Type Registration
LLC
Status
Valid Registration
Cert Issue Date
June 12, 2007

Registered Owner

Name
GEM AIR LLC
Address
1200 DISCOVERY DR STE 300
City
BAKERSFIELD
State / Zip Code
California93309-7036
Country
United States

Powerplant & Avionics

Engine Type
Turbo-fan
Number of Engines
2
Engine Manufacturer
P&W CANADA
Engine Model
JT15D-4
Thrust
2500 lbs
Mode S Code (Oct)
51601731
Mode S Code (Hex)
A703D9

Additional Details

Registration
N551HH
Serial Number
551-0071
Number of Engines
2
Number of Seats
8
Expiration Date
October 31, 2027
Last Action Date
March 24, 2023
Last Update Date
January 19, 2026
Unique ID
00832964

Last Known Position

Date
August 7, 2025 (UTC 23:11:22)
Airport
Latitude
35.433601
Longitude
-119.056999

Data Source

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

Last updated: 2026-05-01 01:32:20 UTC