Public Record · As of May 5, 2026
N90PK
Stewart 51 S-51D · 1999 View Type →
Status
Registration Valid
Type
Fixed Wing Single Engine
Engine
WALTER 601D
Last Cert Issue
—
01 / Registration
Filed with the Federal Aviation Administration
Every cell below is a literal field from the FAA Aircraft Registry. Click any value to open the FAA registry record for N90PK.
Tail Number
N90PK
Serial Number
149
Make
STEWART 51 INC
Model
S-51D
Year of Manufacture
1999
Mfr / Model Code
05607Q4
Type Aircraft
Fixed Wing Single Engine
Type Engine
Turbo-prop
Engines
1
Seats
2
Engine Manufacturer
WALTER
Engine Model
601D
Horsepower
724 hp
Weight Class
CLASS 1
Certification
Experimental (+1 flag) · code 42
Registrant
KEYES GEORGE W · Individual
Address
20981 KIVA CIR · FLINT, TX 75762-9270
FAA Region
2 · County 423
Status
Registration Valid
Airworthiness Date
—
Cert Issue Date
—
Expiration Date
—
Last FAA Action
—
Mode S Hex (ICAO24)
AC6E22
Mode S (Octal)
53067042
Kit Manufacturer
STEWART 51 INC
Kit Model
S-51D
Live position via ICAO24 AC6E22
External services. Live tracks are unaffiliated with TallyAero or the FAA.
02 / NTSB Records
Events on file with the National Transportation Safety Board
-
Aug 12, 1997
PATTERSON, Louisiana
03 / Airworthiness Directives
Applicable to STEWART 51 INC S-51D
Federal Aviation Administration airworthiness directives matched to make and model. Each entry links to the Federal Register publication.
No matching airworthiness directives are on file for this make and model in the Federal Register.
04 / Service Difficulty Reports
FAA SDR filings
The FAA does not currently expose a public API for Service Difficulty Reports. We do not back-fill or paraphrase. Search the FAA SDR portal directly →
05 / Related
More on Stewart 51 S-51D in the Atlas
Stewart 51 S-51D type page → — 7 registered · 1 NTSB records
Search the full US registry → · All airworthiness directives → · Accident & safety surface →
06 / Sources & Methodology
Every fact on this page links to its primary US-government source
- FAA Aircraft Registry →
Refreshed May 5, 2026
Available
- NTSB CAROL →
Refreshed May 5, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed May 5, 2026
Available
- FAA Service Difficulty Reports →
Refreshed May 5, 2026
Unavailable
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