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1985 Cessna S550 Citation S/iiJet Aircraft • FL, USA

This 1985 Cessna Citation S/II, registration N633AT, presents with 9,289 hours total time on the airframe and 10,012 landings. The Pratt & Whitney JT15D-4B engines show 2,993 hours since major overhaul on the left and 1,911 hours on the right, both operating within a 3,500-hour TBO. The aircraft is equipped with thrust reversers and its inspections are largely current, with Phase 1 through 4 inspections compliant through December 2025. The Phase 5 inspection was completed in April 2024 at 9,287 hours and is next due in April 2027 at 9,887 hours.

The avionics suite is built around Collins Pro Line equipment, augmented with a Garmin GTN-725...

Year
1985
Make
Cessna
Series
Citation
Model
S550 Citation S/II
Tail #
N633AT
Serial #
S550-0066

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Specifications

Category
Jet
Intended Use
Business, Passenger
Flight Rules
IFR
Seats
7

Hours, Logs & Inspections

Total Time
9,289 hrs
Engine 1 Time
2,993 hrs (SMOH)
Engine 2 Time
1,911 hrs (SMOH)
Inspection Status
Phase 1 Inspection: c/w Dec 2025 Phase 2 Inspection: c/w Dec 2025 Phase 3 Inspection: c/w Dec 2025 Phase 4 Inspection: c/w Dec 2025 Phase 5 Inspection: c/w Apr 2024 @ 9,287 Hours Due Apr. 2027 @ 9,887 Hours

Avionics

GPS

Garmin GTN-725 - WAAS GPS NAV/COMM

Comms

Collins Pro Line - w/ 8.33 kHz Spacing, w/ FM Immunity,

AP

Sperry SPZ-500 IFCS - IFCS/Pro Line Autopilot w/ Flight Director

ADSB

Garmin GTX 45R - WAAS Remote Transponder, WAAS Remote Transponder

Weather

Honeywell Primus 300SL - (color) Weather Radar

Traffic

Garmin GTX 45R - Traffic Collision Avoidance System

PFD

Sperry SPZ 500 IFCS - w/ Moving Map RNAV Equipped, TAWS

ADS-B In

ADS-B In/Out/RVSM

Additional Equipment

Air Conditioning

Freon Air Conditioning

Anti-skid Brakes

Battery

Lead Acid Battery

Cockpit Voice Recorder

Emergency Locator Transmitter

Inverter

110-volt Inverter

Lavatory

Aft Lavatory w/ Belted Lav Flushing Lav

Radome Release

Sierra Quick Radome Release

Standby Gyro

WAAS Standby Gyro

Terrain Awareness & Warning System

Thrust Reversers

Traffic Collision Avoidance System

ADF

Collins ADF 60

DME

Collins DME 40

CVR

B&D

TAWS

Landmark TAWS 8000 - Class B

Checklist

Heads-Up Checklist

Angle of Attack Indicator

Standby Horizon

J.E.T. Standby Horizon

Audio Amplifiers

Dual Avtech Audio Amplifiers

Digital Clocks

Dual Davtron Digital Clocks

Visors

Rosen Visors

Brakes

Cleveland Brakes

Oxygen System

64 Cubic Foot Oxygen Capacity

Recognition Lights

Compass Systems

Dual Sperry AA-300 Compass Systems

Radar Altimeters

Dual Sperry AA-300 Radar Altimeters

RMI

Collins RMI-30

Baggage Mod

Full Aft Baggage Mod

Lock

Medeco Lock

Interior & Exterior

Interior Rating
8/10
Paint Rating
10/10
Paint Year
2024
Interior Notes
Executive Seating Configuration, Executive Writing Desk/Table, Recently Upholstered Tan Leather Seats, Beige Carpeting
Exterior Notes
New Paint July 2024

Engine & Propeller

Engine Type
Jet
Engine Count
2
Engine Make
Pratt & Whitney
Engine Model
JT15D-4B
Engine Power
3,500 Hour TBO

Asking Price

$695,000

Aircraft Location

FL, USA

Listing Details

Used
For Sale

Price History

Feb 7, 2026: $695,000 - aso

Feb 7, 2026: Call for Price - aircraftforsale

Feb 4, 2026: $695,000 - trade-a-plane

+5 more price changes

Contact Seller

First Seen: Apr 20, 2025

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Asking Price

$695,000