# N350SS: 2007 Campbell Steve COZY MK IV - Status: Valid registration - Airframe: [Campbell Steve COZY MK IV](https://openairdocs.org/model/campbell-steve-cozy-mk-iv) (registry code 056216Q, 4 seats) - Engine: [Wsk-Pzl 6A-350-C1R](https://openairdocs.org/engine/wsk-pzl-6a-350-c1r) (registry code 67270) - Data sheets: [TCDS E9EA](https://openairdocs.org/tcds/E9EA) (Franklin Sp. z.o.o.) (OpenAirDocs) - Serial number: 1 - Year built: 2007 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Experimental, amateur built - Airworthiness date: April 10, 2007 - Certificate issued: November 16, 2006 - Expires: October 31, 2028 - Mode S code: A3E66E - Registered owner: [Campbell Steve](https://openairdocs.org/faa-owner/CAMPBELL%20STEVE) - Location: [Arden Hills, MN](https://openairdocs.org/faa-place/MN/Arden%20Hills) - Owner type: Individual - Owner's area on the map: 45.0805° N, 93.1921° W: Placed by OpenAirDocs at the center of ZIP code 55112, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=350SS - Page: https://openairdocs.org/aircraft/N350SS From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. ## ADs that may apply (OpenAirDocs): 4 in force ### Matched by airframe (Campbell Steve COZY MK IV) None in force. ### Matched by engine (Wsk-Pzl 6A-350-C1R) - [AD 2003-05-01](https://openairdocs.org/ad/2003-05-01): Diaphragm type AC4886 fuel pumps · Wytwornia Sprzetu Komunikacyjnego 4A-235-B, 4A-235-B2, 4A-235-B3 and 9 more. Effective Mar 21, 2003 - [AD 89-04-02](https://openairdocs.org/ad/89-04-02): Carburetors · Continental Motors O-470-11, O-470-11-CI, O-470-11B and 175 more. Effective Mar 8, 1989 - [AD 69-24-03](https://openairdocs.org/ad/69-24-03): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 321 more. Effective Nov 29, 1969 - [AD 69-09-01](https://openairdocs.org/ad/69-09-01): Eisemann Magnetos · Eisemann Magnetos, 2A4-45-B2, 2A4-49-B2 and 158 more ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N350SS. ## FAA accident and incident reports (7) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Incident 20260212002199I](https://openairdocs.org/incident/20260212002199I), Feb 12, 2026: Campbell Steve COZY MK IV (N350SS), Blaine, MN, Minor damage. The pilot was flying back to his home base after completing repairs to the nose gear. Typically a retractable gear, the nose gear had been repaired as a fixed… - [Incident 20250601007029I](https://openairdocs.org/incident/20250601007029I), Jun 1, 2025: Campbell Steve COZY MK IV (N350SS), Blaine, MN, Minor damage. The pilot planned a flight of less than 30 minutes near the airport. During the preflight inspection, the pilot opened the nose panel to adjust the position of… - [Incident 20240908014199I](https://openairdocs.org/incident/20240908014199I), Sep 8, 2024: Campbell Steve COZY MK IV (N350SS), Anoka, MN, Minor damage. During taxi back to parking after landing the nose landing gear collapsed resulting in minor damage to nose of aircraft and nose landing gear. Post incident… - [Incident 20231111018159I](https://openairdocs.org/incident/20231111018159I), Nov 11, 2023: Campbell Steve COZY MK IV (N350SS), Blaine, MN, Minor damage. The PIC was conducting a charity flight with a minor passenger in an experimental amateur built aircraft with fixed main gear and a retractable nose gear.… - [Incident 20230723009319I](https://openairdocs.org/incident/20230723009319I), Jul 23, 2023: Campbell Steve COZY MK IV (N350SS), Appleton, WI, Minor damage. On 7/23/2023 [privacy data omitted] landed on runway 21 at Appleton international airport (atw) without incident. During rollout to exit via taxiway bravo 3,… - [Incident 20181110021669I](https://openairdocs.org/incident/20181110021669I), Nov 10, 2018: Campbell Steve COZY MK IV (N350SS), Blaine, MN, Minor damage. Pilot was landing and his plan was to execute a touch and go. Shortly after touchdown he added power for the touch and go and the nose of the airplane lowered… - [Incident 20070714825469I](https://openairdocs.org/incident/20070714825469I), Jul 14, 2007: Amtr COZYMKIV (N350SS), Minneapolis, MN, Minor damage. (-23) Aircraft was performing phase I of the operations limitations. This was the first flight of the aircraft. After take-off from runway 27 at ane, the… ## Service difficulty reports None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. ## STCs that may be installed (OpenAirDocs) (8) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the engine (Wsk-Pzl 6A-350-C1R) - [STC SE2932SW](https://openairdocs.org/stc/SE2932SW): Install carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive. Alcor LLC - [STC SE1311SO](https://openairdocs.org/stc/SE1311SO): Installation of Shivers carburetor temperature gauge with a Richter Aero Equipment B-5 carburetor temperature probe. LegacySTC.com - [STC SE208SO](https://openairdocs.org/stc/SE208SO): Installation of ice indicator in the carburetor. LegacySTC.com - [STC SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc - [STC SE02602AT](https://openairdocs.org/stc/SE02602AT): Installation of an alternate engine driven fuel pump in accordance with CJ Aviation "Installation Instructions for Fuel Pump 6005-2A", IR, dated 12/23/02, drawing no. 6005-2A "Fuel Pump", IR, dated 11/14/02 and drawing no. 6005-2B "Cap Plug", IR, dated 12/03/02 or later FAA approved revisions of either document. C J Aviation - [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc - [STC SE3331NM](https://openairdocs.org/stc/SE3331NM): Lycoming valve cover gasket. Real Gaskets Tennessee - [STC SE634SO](https://openairdocs.org/stc/SE634SO): Installation external oil supply routing and vent system to permit maintaining oil pressure in inverted position. D'Arcy John J ## Earlier aircraft with N350SS The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N350SS before. - [Cancelled 1999-05-19](https://openairdocs.org/deregistered/N350SS-1999-05-19): S N I A S AS350D ASTAR, S/N 1292. Exported to Canada. Owner: [Rts Helicopter Services Corp](https://openairdocs.org/faa-owner/RTS%20HELICOPTER%20SERVICES%20CORP), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City) ## Related - Other Campbell Steve COZY MK IV aircraft: https://openairdocs.org/model/campbell-steve-cozy-mk-iv/aircraft.md - The Wsk-Pzl 6A-350-C1R engine: https://openairdocs.org/engine/wsk-pzl-6a-350-c1r.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.