# N50HT: 1960 Beech H50 - Status: Valid registration - Airframe: [Beech H50](https://openairdocs.org/model/beech-h50) (registry code 1152534, 6 seats) - Engine: [Lycoming GSO&IGSO-480 series](https://openairdocs.org/engine/lycoming-gso-igso-480-series) (registry code 41529) - Data sheets: [TCDS 5A4](https://openairdocs.org/tcds/5A4) (Textron Aviation Inc.), [TCDS E-284](https://openairdocs.org/tcds/E-284) (Lycoming Engines) (OpenAirDocs) - Serial number: HH-131 - Year built: 1960 - Type: Fixed wing multi engine - Engine type: Reciprocating - Airworthiness: Standard - Airworthiness date: March 22, 1962 - Certificate issued: July 12, 2025 - Expires: July 31, 2032 - Mode S code: A63858 - Registered owner: [Dunteman William M](https://openairdocs.org/faa-owner/DUNTEMAN%20WILLIAM%20M) - Location: [Big Rock, IL](https://openairdocs.org/faa-place/IL/Big%20Rock) - Owner type: Individual - Owner's area on the map: 41.7590° N, 88.5520° W: Placed by OpenAirDocs at the center of ZIP code 60511, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=50HT - Page: https://openairdocs.org/aircraft/N50HT From the FAA registry file of October 21, 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 Lycoming GSO&IGSO-480 model are included. ## ADs that may apply (OpenAirDocs): 24 in force ### Matched by airframe (Beech H50) - [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023 - [AD 2005-18-20](https://openairdocs.org/ad/2005-18-20): "FASTprop" propeller de-icers · Hartzell PHC-C3YF-1RF/F8468A(B,K)-8R constant speed propeller (STC SA00718LA or 17 others). Effective Oct 14, 2005 - [AD 2005-01-19](https://openairdocs.org/ad/2005-01-19): Mode S transponders · GARMIN International GTX 330D, GTX 330, GTX 33D and 830 more. Effective Feb 23, 2005 - [AD 2001-23-17](https://openairdocs.org/ad/2001-23-17): GNS 430 units · Cessna 172, 182, 206 and 209 more. Effective Dec 28, 2001 - [AD 99-05-13 R1 WD](https://openairdocs.org/ad/99-05-13-R1-WD): Withdrawal of AD 99-05-13 · Beech B17B, B17L, B17R (Army UC-43H) and 107 more. Effective Jul 5, 2000 - [AD 98-21-21 R1](https://openairdocs.org/ad/98-21-21-R1): Electric Inflatable Door Seals · Cessna 17-30, 17-30A, 17-31 and 267 more. Effective May 1, 2000 - [AD 85-22-05](https://openairdocs.org/ad/85-22-05): Nuts and Bolts Replacement · Textron 100, 200, 200C and 60 more. Effective Nov 12, 1985 - [AD 84-09-01](https://openairdocs.org/ad/84-09-01): Window Emergency Egress Provision · Textron 35, 36, 50 and 60 more. Effective May 25, 1984 - [AD 79-01-02 R2](https://openairdocs.org/ad/79-01-02-R2): In-Flight Fires · Textron 65, 65-80, 65-88 and 17 more. Effective Sep 22, 1980 - [AD 79-13-01](https://openairdocs.org/ad/79-13-01): Powerplant Fire Detection/Containment · Lycoming IGSO-540-A1A or -B1A engines (Tom Roland STC SA76SW). Effective Jul 5, 1979 - [AD 78-11-01](https://openairdocs.org/ad/78-11-01): Powerplant Fires · Textron 65, 65-80, 65-88 and 11 more. Effective Feb 6, 1979 - [AD 78-22-05](https://openairdocs.org/ad/78-22-05): Elevator Control Push Rods · Textron 100, 50, 65 and 31 more. Effective Nov 6, 1978 - [AD 62-08-03](https://openairdocs.org/ad/62-08-03): Control Wheels · Textron 35, 35-33, 35-A33 and 33 more. Effective Jul 9, 1970 ### Matched by engine (Lycoming GSO&IGSO-480 series) - [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 2012-03-07](https://openairdocs.org/ad/2012-03-07): Carburetor · Lycoming Engines GO-435, GO-435-C2 (O-435-17), GO-435-C2A and 389 more. Effective Mar 27, 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 90-04-06 R1](https://openairdocs.org/ad/90-04-06-R1): Propeller Governor External Oil Line · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 427 more. Effective May 28, 1991 - [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 - [AD 60-11-06](https://openairdocs.org/ad/60-11-06): Crankshaft · Lycoming Engines GO-480-C1B6, GO-480-C1D6, GO-480-C2C6 and 13 more - [AD 59-10-07](https://openairdocs.org/ad/59-10-07): Cylinder Baffle Clamps · Lycoming Engines GO-480-A1A, GO-480-B, GO-480-B1A6 and 58 more ### Historical (superseded or no longer in force) - [AD 99-05-13](https://openairdocs.org/ad/99-05-13) (historical): Fuel Tank Selector · Beech B17B, B17L, B17R (Army UC-43H) and 107 more. Effective Apr 19, 1999 ## Information bulletins (advisory) (3 in force) - [SAIB CE-04-04](https://openairdocs.org/saib/CE-04-04): . Issued Oct 16, 2003 - [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 N50HT. ## FAA accident and incident reports None matched to N50HT. ## Service difficulty reports None filed for this aircraft. ## Related - Other Beech H50 aircraft: https://openairdocs.org/model/beech-h50/aircraft.md - STCs for the Beech H50: https://openairdocs.org/model/beech-h50/stcs.md - The Lycoming GSO&IGSO-480 series engine: https://openairdocs.org/engine/lycoming-gso-igso-480-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.