Twin piston

N2657S

1968 Cessna 337C

Registered 1 NTSB/FAA record
Built
1968
Serial
337-0957
Class
Twin piston
Engines
2 × Continental IO-360 series
Status
Current as of October 2026
Registered owner
57 Sierra LLC (LLC)
Based
Houston, TX
Registration record

N2657S on the FAA register

Type
1968 Cessna 337C
Serial
337-0957
Engines
2 × Continental IO-360 series
Registered owner
57 Sierra LLC
Houston, TX
Certificate issued
2024-10-04
Airworthiness date
1968-07-31
Registration expires
2031-10-31
Airworthiness class
Standard · normal
Mode S (hex)
A294EE
Mode S (octal)
50512356
Seats (type)
6
Weight class
up to 12,499 lb
Range (type)
922 nm
Cruise (type)
166 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2031-10-31
    Registration expires (renewal due).
  • 2026-09-07
    Accident at Brenham, TX; damage: substantial.
  • 2024-10-04
    Certificate of registration issued as N2657S.
  • 1968-07-31
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N2657S

N2657S is a 1968 Cessna 337C, serial number 337-0957. The FAA register lists 57 Sierra LLC as the registrant in Houston, Texas. The current certificate of registration was issued on October 4, 2024 and expires on October 31, 2031.

The FAA aircraft reference file describes the type as a twin piston, two Continental IO-360 series engines and 6 seats. Published figures for the type give a cruise speed of about 166 knots and a range of about 922 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated July 31, 1968.

N2657S has 1 accident/incident record on file (most serious damage: substantial); details are below.

Cruise
166 kt
Range
922 nm
Fuel burn
22 gph

Published figures for the Cessna 337C type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

2026-09-07 Accident · Brenham, TX Damage: Substantial Minor injury NTSB (Ongoing) · CEN26LA312
Reported aircraft: Cessna 337
Preliminary report: On September 7, 2026, about 1248 central daylight time, a Cessna 337C airplane, N2657S, sustained substantial damage when it was involved in an accident near Brenham, Texas. The pilot sustained minor injuries. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 post-maintenance test flight. According to the pilot, who is also a mechanic, he had recently purchased the push-pull configuration airplane on September 3, 2026. The airplane had been based for the last several years with the previous owner at the Brenham Municipal Airport (11R), Brenham, Texas. According to the aviation operations manager at 11R, he refueled the airplane prior to the flight. All four of the…
NTSB report ↗

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

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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.