Twin piston

N637TB

1977 Piper Turbo Aztec F

Registered No accidents on file
Built
1977
Serial
27-7754095
Class
Twin piston
Engines
2 × Lycoming TIO-540 series
Status
Current as of October 2026
Registered owner
Aircraft Guaranty Corp Trustee (Corporation)
Based
Oklahoma City, OK
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Registration record

N637TB on the FAA register

Type
1977 Piper Turbo Aztec F (FAA: Piper PA-23-250)
Serial
27-7754095
Engines
2 × Lycoming TIO-540 series
Registered owner
Aircraft Guaranty Corp Trustee
Oklahoma City, OK
Certificate issued
2011-08-09
Airworthiness date
1977-05-06
Registration expires
2027-08-31
Airworthiness class
Standard · normal
Mode S (hex)
A85968
Mode S (octal)
52054550
Seats (type)
6
Weight class
up to 12,499 lb
Range (type)
645 nm
Cruise (type)
205 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2027-08-31
    Registration expires (renewal due).
  • 2011-08-09
    Certificate of registration issued as N637TB.
  • 1977-05-06
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N637TB

N637TB is a 1977 Piper Turbo Aztec F (FAA model PA-23-250), serial number 27-7754095. The FAA register lists Aircraft Guaranty Corp Trustee as the registrant in Oklahoma City, Oklahoma. The current certificate of registration was issued on August 9, 2011 and expires on August 31, 2027.

The FAA aircraft reference file describes the type as a twin piston, two Lycoming TIO-540 series engines and 6 seats. Published figures for the type give a cruise speed of about 205 knots and a range of about 645 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated May 6, 1977.

No NTSB accident or incident reports and no FAA preliminary notices are on file for N637TB.

Cruise
205 kt
Range
645 nm
Power / thrust (each)
250
Takeoff over 50 ft
1,250 ft
Landing over 50 ft
1,250 ft
Fuel burn
38 gph

Published figures for the Piper Turbo Aztec F type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

✓ No NTSB accident or incident reports and no FAA preliminary notices on file for N637TB.

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

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Browse: Piper aircraft for sale· Aircraft registered in Oklahoma· 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.