Aircraft record

N2657S1968 Cessna 337C

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:1 NTSB accident (substantial damage, Sep 2026)3 ADs may apply

Registration: Valid; expires Oct 31, 2031
Based in: Houston, TX; owner city / state
Engine: IO-360 SER · 300 hp; Cont Motor
Owners: 1; since 2024
NTSB events: 1; substantial, 2026
ADs may apply: 3; confirm with A&P
Service reports: 0; since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026

Registered owner: 57 Sierra LLC
Owner type: LLC
City, state: Houston, TX
Certificate issued: Oct 4, 2024
Expires: Oct 31, 2031
Airworthiness: Standard · Normal
Airworthiness date: Jul 31, 1968

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer: Cessna
Model: 337C
Year: 1968
Serial number: 337-0957
Aircraft type: Fixed wing multi engine
Category: Land
Certification: Type Certificated
Seats: 6
Engines: 2
Max takeoff weight: Up to 12,499 lb
Mode S code: A294EE

Engine

Make and model: Cont Motor Io-360 Ser
Type: Reciprocating
Power: 300 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records

2024 – now57 Sierra LLCHouston, TX · current

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 19, 2026 · SDRs · Oct 16, 2026

NTSB events (1)

Accident · substantial damage

Sep 7, 2026 · Brenham, TX

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…

Damage: Substantial
Injuries: Minor
Report: CEN26LA312

From NTSB records; matched by serial number.Read NTSB report (search CAROL for CEN26LA312)

Accident history for this model

ADs published since 1998 that may apply (3)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

AD	Subject	Effective	Applies to
2011-15-11	Cessna Aircraft Company (Cessna) Models 337, 337A (USAF 02B), 337B, 337C, 337D, 337E…	Sep 6, 2011	Airframe (337C)Only with: Airplanes that are or have ever been modified by Flint Aero, Inc. STC SA5090NM.
2011-10-09	Cessna Aircraft Company Models 150, 152, 170, 172, 175, 177, 180, 182, 185, 188, 190…	Jun 17, 2011	Airframe (337C)
2010-21-18	Cessna Aircraft Company (Cessna) Models 336, 337, 337A (USAF 02B), 337B, M337B (USAF…	Nov 3, 2010	Airframe (337C)Only with: Airplanes that are or have ever been modified by Aviation Enterprises STC SA02055AT, SA02056AT, SA02307AT, or SA02308AT.

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (0)

No Service Difficulty Reports found for this airframe since 1995.

Sources

FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 19, 2026
FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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