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Aircraft record

N429RW2019 Stemme Ag STEMME S 12

Registration validUnclaimedSource: FAA, updated Oct 16, 2026

Safety record in brief:No NTSB accidents or incidents since 19828 ADs may apply

Registration
Valid
expires Mar 31, 2029
Based in
Foothill Ranch, CA
owner city / state
Engine
914 F2 · 115 hp
Brp-Rotax
Owners
1
since 2022
NTSB events
None
since 1982
ADs may apply
8
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 16, 2026
Registered owner
Dzyne Technologies
Owner type
Corporation
City, state
Foothill Ranch, CA
Certificate issued
Mar 9, 2022
Expires
Mar 31, 2029
Airworthiness
Standard · Utility
Airworthiness date
Oct 24, 2020

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
Stemme Ag
Model
STEMME S 12
Year
2019
Serial number
12-026
Aircraft type
Glider
Category
Land
Certification
Not Type Certificated
Seats
2
Engines
1
Max takeoff weight
Up to 12,499 lb
Mode S code
A51E9A

Engine

Make and model
Brp-Rotax 914 F2
Type
4 Cycle
Power
115 hp

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

Ownership history

Ownership history from FAA records
  1. 2022 – nowDzyne TechnologiesFoothill Ranch, CA · current

Individual owners are shown by city and state only.

Safety record

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

NTSB events (0)

No NTSB accidents or incidents found for this airframe since 1982.

Accident history for this model

ADs published since 1998 that may apply (8)

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.

ADSubjectEffectiveApplies to
2026-16-11Reciprocating Engine Front SectionAug 28, 2026Engine (914 F2)Serial numbers per Rotax Alert Service Bulletin ASB-2026-001R00, Chapter 4) Appendix, paragraphs 4.1) and 4.2). Only with: Engines with an installed propeller gearbox whose serial number is listed in Rotax ASB-2026-001R00 (installed on delivery or supplied as a spare part); 912 A1, A2, A3 engines only when installed on the aircraft in Table 1 (AMT-200, HK 36 R, HK 36 TC/TS, DA20-A1, DV 20 KATANA, Sky Arrow 650 TC, SF 25C) as part of their type certification basis.
2022-14-11Wing StructureJul 26, 2022Airframe (STEMME S 12)Certain serial numbers: Stemme S 12 12-002–12-042; Stemme S 12 12-044
2021-26-12Landing Gear SystemFeb 24, 2022Airframe (STEMME S 12)Certain serial numbers: Stemme S 12 12-002–12-026
2022-01-09Powerplant SystemJan 27, 2022Airframe (STEMME S 12)Only with: Freewheel clutch P/N 12AK with a S/N starting with "12-" installed.
2021-23-01Airspeed/Mach IndicatorJan 27, 2022Airframe (STEMME S 12)
Show all 8 ADs
ADSubjectEffectiveApplies to
2019-21-12Reciprocating Engine Cylinder SectionNov 19, 2019Engine (914 F2)Only with: Engines with an exhaust valve P/N 854113 from production lot number 0317 or 0517 installed.
2016-13-04BRP-Powertrain GmbH & Co KG Reciprocating EnginesJul 27, 2016Engine (914 F2)Only with: Cylinder head installed in position 2 or 3 with P/N 413235 or 413236 (912 F2/F3/F4, 914 F2/F3/F4) or P/N 413185 (912 S2/S3/S4).
2013-07-12BRP-Powertrain GmbH & Co KG Rotax Reciprocating EnginesApr 30, 2013Engine (914 F2)Certain serial numbers: 912 F2 4,413,013–4,413,017; 912 F3 4,413,013–4,413,017; 912 F4 4,413,013–4,413,017; 912 S2 4,924,468–4,924,491; 912 S3 4,924,468–4,924,491; 912 S4 4,924,468–4,924,491; …

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 16, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 16, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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