Light jet

N500ZB

1985 Cessna Citation SII

Registered No accidents on file
Built
1985
Serial
S550-0023
Class
Light jet
Engines
2 × Pratt & Whitney Canada JT15D-4
Status
Current as of October 2026
Registered owner
Fregata Systems LLC (LLC)
Based
Saint Louis, MO
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Registration record

N500ZB on the FAA register

Type
1985 Cessna Citation SII (FAA: Cessna S550)
Serial
S550-0023
Engines
2 × Pratt & Whitney Canada JT15D-4
Registered owner
Fregata Systems LLC
Saint Louis, MO
Certificate issued
2017-11-29
Airworthiness date
2026-09-09
Registration expires
2027-11-30
Airworthiness class
Experimental · research & development
Mode S (hex)
A63C31
Mode S (octal)
51436061
Seats (type)
8
Weight class
up to 12,499 lb
Range (type)
1,840 nm
Cruise (type)
386 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2027-11-30
    Registration expires (renewal due).
  • 2026-09-09
    Airworthiness date on the current FAA record (experimental category (research & development)).
  • 2017-11-29
    Certificate of registration issued as N500ZB.
  • 1985
    Manufactured (1985).
Overview

About N500ZB

N500ZB is a 1985 Cessna Citation SII (FAA model S550), serial number S550-0023. The FAA register lists Fregata Systems LLC as the registrant in Saint Louis, Missouri. The current certificate of registration was issued on November 29, 2017 and expires on November 30, 2027.

The FAA aircraft reference file describes the type as a light jet, two Pratt & Whitney Canada JT15D-4 engines and 8 seats. Published figures for the type give a cruise speed of about 386 knots and a range of about 1,840 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is experimental category (research & development), dated September 9, 2026.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N500ZB.

Cruise
386 kt
Range
1,840 nm
Takeoff over 50 ft
3,240 ft
Landing over 50 ft
4,500 ft
Fuel burn
219 gph

Published figures for the Cessna Citation SII type. They describe the model, not this airframe's equipment or condition. Cessna Citation SII specs, prices and for-sale inventory →

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N500ZB.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Browse: Cessna aircraft for sale· Cessna Citation SII overview· Aircraft registered in Missouri· Registry by state· FAA registry stats

Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.