Twin turboprop

N645SB

1984 Cessna Conquest I

Registered No accidents on file
Built
1984
Serial
425-0217
Class
Twin turboprop
Engines
2 × Pratt & Whitney Canada PT6A-112
Status
Current as of October 2026
Registered owner
N645 Shares LLC (LLC)
Based
Liberal, KS
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Registration record

N645SB on the FAA register

Type
1984 Cessna Conquest I (FAA: Cessna 425)
Serial
425-0217
Engines
2 × Pratt & Whitney Canada PT6A-112
Registered owner
N645 Shares LLC
Liberal, KS
Certificate issued
2024-06-04
Airworthiness date
2016-08-29
Registration expires
2031-06-30
Airworthiness class
Standard · normal
Mode S (hex)
A87960
Mode S (octal)
52074540
Seats (type)
12
Weight class
up to 12,499 lb
Range (type)
1,200 nm
Cruise (type)
243 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2031-06-30
    Registration expires (renewal due).
  • 2024-06-04
    Certificate of registration issued as N645SB.
  • 2016-08-29
    Airworthiness date on the current FAA record (standard category (normal)).
  • 1984
    Manufactured (1984).
Overview

About N645SB

N645SB is a 1984 Cessna Conquest I (FAA model 425), serial number 425-0217. The FAA register lists N645 Shares LLC as the registrant in Liberal, Kansas. The current certificate of registration was issued on June 4, 2024 and expires on June 30, 2031.

The FAA aircraft reference file describes the type as a twin turboprop, two Pratt & Whitney Canada PT6A-112 engines and 12 seats. Published figures for the type give a cruise speed of about 243 knots and a range of about 1,200 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated August 29, 2016.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N645SB.

Cruise
243 kt
Range
1,200 nm
Power / thrust (each)
450
Takeoff over 50 ft
2,490 ft
Landing over 50 ft
2,150 ft
Fuel burn
86 gph

Published figures for the Cessna Conquest I type. They describe the model, not this airframe's equipment or condition. Cessna Conquest I 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 N645SB.

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 Conquest I overview· Aircraft registered in Kansas· 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.