# N73AT: 2007 Johnson Addison M GLASTAR GS-1 - Status: Valid registration - Airframe: [Johnson Addison M GLASTAR GS-1](https://openairdocs.org/model/johnson-addison-m-glastar-gs-1) (registry code 056155O, 2 seats) - Engine: [Superior IO-360 series](https://openairdocs.org/engine/superior-io-360-series) (registry code 59251) - Data sheets: [TCDS E00001SC](https://openairdocs.org/tcds/E00001SC) (Superior Air Parts Inc.) (OpenAirDocs) - Serial number: 5462 - Year built: 2007 - Type: Fixed wing single engine - Engine type: Reciprocating - Kit: New Glasair LLC GLASTAR GS-1 - Airworthiness: Experimental, amateur built - Airworthiness date: September 4, 2007 - Certificate issued: January 28, 2016 - Expires: January 31, 2029 - Mode S code: A9C8C4 - Registered owner: [Puchtler Joel S](https://openairdocs.org/faa-owner/PUCHTLER%20JOEL%20S) - Location: [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle) - Owner type: Individual - Owner's area on the map: 47.6739° N, 122.3347° W: Placed by OpenAirDocs at the center of ZIP code 98103, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=73AT - Page: https://openairdocs.org/aircraft/N73AT 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. The registry lists only the engine series, so ADs for every Superior IO-360 model are included. ## ADs that may apply (OpenAirDocs): 3 in force ### Matched by airframe (Johnson Addison M GLASTAR GS-1) None in force. ### Matched by engine (Superior IO-360 series) - [AD 2020-25-12](https://openairdocs.org/ad/2020-25-12): Reciprocating Engine Power Section · Superior Air Parts IO-360-A1A1, IO-360-A1A2, IO-360-A2A1 and 146 more. Effective Jan 15, 2021 - [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06): Fuel servo diaphragm · Continental Motors 6-260-A, 6-285-A, 6-285-B and 482 more. Effective Feb 24, 2012 - [AD 2009-02-03](https://openairdocs.org/ad/2009-02-03): Fuel injection servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 261 more. Effective Feb 9, 2009 ### Historical (superseded or no longer in force) - [AD 2011-15-10](https://openairdocs.org/ad/2011-15-10) (historical): Fuel servos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 256 more. Effective Aug 16, 2011 - [AD 2008-08-14](https://openairdocs.org/ad/2008-08-14) (historical): Fuel injection servo plugs · Superior Air Parts AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 242 more. Effective Apr 29, 2008 - [AD 2008-06-51](https://openairdocs.org/ad/2008-06-51) (historical): Fuel injection servo plugs · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 235 more ## Information bulletins (advisory) (1 in force) - [SAIB NE-09-04](https://openairdocs.org/saib/NE-09-04): Fuel Control/Reciprocating Engines. Issued Jan 10, 2009 ## NTSB investigations None matched to N73AT. ## NTSB investigations on N73AT not matched to an aircraft (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB FTW88FA110](https://openairdocs.org/ntsb/FTW88FA110), May 24, 1988: Cessna 320-F (N73AT), San Angelo, TX, substantial damage ## FAA accident and incident reports None matched to N73AT. ## Reports on N73AT not matched to an aircraft (1) They name N73AT, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [Accident 19880524024079A](https://openairdocs.org/incident/19880524024079A), May 24, 1988: Cessna 320D (N73AT), San Angelo, TX, Substantial damage. Crashed into water on climbout after engine lost power. ## 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) (4) 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 (Superior IO-360 series) - [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC - [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd. Lists IO-360-A1A1 - [STC SE04577CH](https://openairdocs.org/stc/SE04577CH): Install an electronic engine ignition system. Electroair Acquisition Corp. Lists IO-360-A1A1 - [STC SE02409AK](https://openairdocs.org/stc/SE02409AK): Installation of the Superior Air Parts Cold Air Induction System (CAIS). Wattum Aircraft Services ## Earlier aircraft with N73AT The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N73AT before. - [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N73AT-undated): Cessna 320F, S/N 320F-0035, built 1968 ## Related - Other Johnson Addison M GLASTAR GS-1 aircraft: https://openairdocs.org/model/johnson-addison-m-glastar-gs-1/aircraft.md - The Superior IO-360 series engine: https://openairdocs.org/engine/superior-io-360-series.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.