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Registered aircraft · FAA record as of October 2, 2026
N646MA

Flight Design Gmbh CTSW

N646MA is a Flight Design Gmbh CTSW, a fixed-wing airplane with one motor with a four-stroke engine, built in 2005. It has 2 seats. It is registered to Ken Graham Phd INC, a corporation in Sioux Falls, South Dakota. The registration is valid: it was issued on January 9, 2024 and expires on January 31, 2031. It holds a light sport airworthiness certificate for airplane, dated January 12, 2006.

Aircraft

Maker
Flight Design Gmbh
Model
CTSW · all CTSWs and related versions
Serial number
05-11-07
Type
Fixed-wing, single engine
Power
Four-cycle piston, 1 motor · Rotax SEE BOMBADIER
Seats
2
Year built
2005
Transponder code
A87C99 (octal 52076231)

Registration

Status
Valid registration
Certificate issued
January 9, 2024
Expires
January 31, 2031
Last FAA action
October 17, 2024
Airworthiness
Light sport · Airplane · January 12, 2006
FAA region
Great Lakes
FAA record id
00223949

Owner as the FAA publishes it

Name
Ken Graham Phd INC
Type
Corporation
Address
832 Highline Place Ste 104
Sioux Falls, SD 57110

Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.

Documents on file 0

No bills of sale, loans or other documents are indexed against this tail number.

Earlier use of this number 1

1980-10-02Piper PA-23-250 · Valid registration

Records check free · 2 to understand · 3 clear

The public federal record on N646MA, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.

CLEARRegistration and identity

Valid registration to Ken Graham Phd INC, a corporation, certificate issued January 9, 2024, expires January 31, 2031. No fractional interest recorded. [1]

CLEARAirworthiness certificate

Light sport certificate for airplane, dated January 12, 2006, consistent with the 2005 manufacture year. [1]

CLEARPrior registrations of this airframe

No earlier tail number is recorded against serial 05-11-07 for this model in the deregistered file. [2]

ATTENTIONTail number reuse

N646MA was previously assigned to 1 other aircraft: Piper PA-23-250 (serial 27-3255, cancelled October 2, 1980). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number. [2]

NOTERecent registry documents

No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]

ATTENTIONAccident and incident record

1 NTSB record under N646MA: Accident on July 5, 2025 at Joliet, IL: no injuries, substantial damage. Details below. [4]

PENDINGTitle chain, liens and 337 forms

These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.

PENDINGAirworthiness directives and utilization

AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.

NTSB records 1

CEN25LA238Accident on July 5, 2025 at Joliet, IL: no injuries, substantial damage.

Aircraft on the NTSB record: Flight Design GMBH CTSW · operated under 091

The pilot’s failure to maintain directional control during the crosswind landing.

Search the NTSB's CAROL system for CEN25LA238 for the docket and final report. Open CAROL

CLEAR the source was checked and shows no adverse findingATTENTION a fact a buyer or lender should understand, often routineNOTE context onlyPENDING covered by the full report
  1. FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
  2. FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
  3. FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
  4. NTSB aviation accident database (CAROL), records through August 27, 2026. data.ntsb.gov/carol-main-public/basic-search

This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this record on the FAA site · This record as data