# N273PA: 1973 Dornier DO.28 D-2

- Status: Valid registration
- Airframe: [Dornier DO.28 D-2](https://openairdocs.org/model/dornier-do-28-d-2) (registry code 2991405, 15 seats)
- Engine: [Lycoming IGSO-540-B1A](https://openairdocs.org/engine/lycoming-igso-540-b1a) (registry code 41535)
- Data sheets: [TCDS 1E7](https://openairdocs.org/tcds/1E7) (Lycoming Engines) (OpenAirDocs)
- Serial number: 4155
- Year built: 1973
- Type: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: February 23, 2011
- Certificate issued: September 1, 2006
- Expires: April 30, 2028
- Mode S code: A2B2E7
- Registered owner: [Pantechnicon Aviation Ltd](https://openairdocs.org/faa-owner/PANTECHNICON%20AVIATION%20LTD)
- Location: [Minden, NV](https://openairdocs.org/faa-place/NV/Minden)
- Owner type: Corporation
- Owner's area on the map: 38.9971° N, 119.7353° W: Placed by OpenAirDocs at the center of ZIP code 89423, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=273PA
- Page: https://openairdocs.org/aircraft/N273PA

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): 13 in force

### Matched by airframe (Dornier DO.28 D-2)

None in force.

### Matched by engine (Lycoming IGSO-540-B1A)

- [AD 2022-16-03](https://openairdocs.org/ad/2022-16-03): Engine (RECIPROCATING) · Continental Aerospace Technologies GTSIO-520-C, GTSIO-520-D, GTSIO-520-F and 236 more. Effective Aug 15, 2022
- [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 2004-10-14](https://openairdocs.org/ad/2004-10-14): Crankshaft gear · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 642 more. Effective Jun 25, 2004
- [AD 97-15-11](https://openairdocs.org/ad/97-15-11): Cylinder kits · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 538 more. Effective Aug 12, 1997
- [AD 92-12-05](https://openairdocs.org/ad/92-12-05): Piston Pins · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 532 more. Effective Jul 10, 1992
- [AD 79-04-05](https://openairdocs.org/ad/79-04-05): Regulator Diaphragm Stem Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 215 more. Effective Sep 26, 1979
- [AD 78-23-10](https://openairdocs.org/ad/78-23-10): Center Body Bellows Seal Assembly · Lycoming Engines AEIO-320-D1B, AEIO-320-E1A, AEIO-320-E1B and 218 more. Effective Nov 7, 1978
- [AD 73-23-01](https://openairdocs.org/ad/73-23-01): Piston Pin Assembly · Lycoming Engines AIO-360-A1A, AIO-360-A1B, AIO-360-A2A and 215 more. Effective Jan 13, 1977
- [AD 74-13-05](https://openairdocs.org/ad/74-13-05): Connecting Rod Assemblies · Lycoming Engines IGO-540-A1A, IGO-540-A1B, IGO-540-A1C and 10 more. Effective Jun 21, 1974
- [AD 72-21-06](https://openairdocs.org/ad/72-21-06): Crankcase Bearings · Lycoming Engines IGSO-540-A1A, IGSO-540-A1C, IGSO-540-A1D and 4 more. Effective Oct 17, 1972
- [AD 69-25-08](https://openairdocs.org/ad/69-25-08): Reduction Gear Assemblies · Lycoming Engines GO-435-C2A, GO-435-C2A2, GO-480-A1A and 61 more. Effective Feb 19, 1970
- [AD 66-06-03](https://openairdocs.org/ad/66-06-03): Connecting Rod Assemblies · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 317 more. Effective Jan 16, 1969
- [AD 62-23-05](https://openairdocs.org/ad/62-23-05): Propeller Shaft Oil Seal Rings · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 49 more. Effective Nov 14, 1962

## Information bulletins (advisory) (2 in force)

- [SAIB NE-19-08](https://openairdocs.org/saib/NE-19-08): Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders. Issued May 2, 2019
- [SAIB NE-14-13](https://openairdocs.org/saib/NE-14-13): Reciprocating Engine - Cylinder Mounting Studs. Issued Mar 24, 2014

## NTSB investigations

None matched to N273PA.

## FAA accident and incident reports

None matched to N273PA.

## 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) (19)

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 (Lycoming IGSO-540-B1A)

- [STC SE04349CH](https://openairdocs.org/stc/SE04349CH): Installation of SureFly electronic ignition. SureFly Partners Ltd
- [STC SE01954SE](https://openairdocs.org/stc/SE01954SE): Installation of engine crankcase seal. Ly-Con Rebuilding Company
- [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 SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc
- [STC SE8628SW](https://openairdocs.org/stc/SE8628SW): Installation of oil nozzles for lubrication of cam and filters. Cygnet Aerospace Corp
- [STC SE1339SW](https://openairdocs.org/stc/SE1339SW): Modify pistons to Drawings 11007 and 11015; piston rings. Continental Motors, Inc
- [STC SE4408SW](https://openairdocs.org/stc/SE4408SW): Miscellaneous engine cylinder replacement parts. Continental Motors, Inc. Lists IGSO-540 Series
- [STC SE7669SW](https://openairdocs.org/stc/SE7669SW): Installation of parts listed on Airmotive List 8810-3, Rev 6. Continental Motors, Inc. Lists IGSO-540 Series
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc. Lists IGSO-540 Series
- [STC SE7502SW](https://openairdocs.org/stc/SE7502SW): Installation of any or all parts listed on Airmotive Engineering Drawing List No. 852-1, Rev. 1, dated 10/4/88, or later FAA approved revision. Continental Motors, Inc. Lists IGSO-540 Series
- [STC SE1779NM](https://openairdocs.org/stc/SE1779NM): Installation of Precise Flight, Inc. Standby Vacuum System SVS III. Precise Flight Inc
- [STC SE00890LA](https://openairdocs.org/stc/SE00890LA): Installation of Nickson's cylinder barrels on Lycoming reciprocating engine models. Nickson's Machine Shop Inc
- [STC SE09492SC](https://openairdocs.org/stc/SE09492SC): Installation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013. Exxon Company USA. Lists IGSO-540 Series
- [STC SE8023SW](https://openairdocs.org/stc/SE8023SW): Installation and usage of AEROSHELL. Shell Development Co. Lists IGSO-540 Series
- [STC SE452NE](https://openairdocs.org/stc/SE452NE): Installation and usage of 'Mobil AV 1' aviation oil. Mobil Research & Development Corp. Lists IGSO-540 Series
- [STC SE5879SW](https://openairdocs.org/stc/SE5879SW): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. Phillips Petroleum Co. Lists IGSO-540 Series
- [STC SE5924SW](https://openairdocs.org/stc/SE5924SW): Installation of stainless steel replacement exhaust studs on AVCO engines. Perrigo & Steele Aircraft Engr Company. Lists IGSO-540 Series
- [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL. Lists IGSO-540 Series
- [STC SE44WE](https://openairdocs.org/stc/SE44WE): Use of Kling Aviation Oil, Specifications KL-100, KL-200 and KL-300 in Continental and Lycoming engines. Kling Oil Company. Lists IGSO-540 Series

## Related

- Other Dornier DO.28 D-2 aircraft: https://openairdocs.org/model/dornier-do-28-d-2/aircraft.md
- The Lycoming IGSO-540-B1A engine: https://openairdocs.org/engine/lycoming-igso-540-b1a.md

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