# N588MP: 1972 Bell OH-58A - Status: Valid registration - Airframe: [Bell OH-58A](https://openairdocs.org/model/bell-oh-58a) (registry code 1181579, 4 seats) - Engine: [Allison T63 series](https://openairdocs.org/engine/allison-t63-series) (registry code 03031) - Data sheets: [TCDS E2SO](https://openairdocs.org/tcds/E2SO) (Continental Aerospace Technologies, Inc.) (OpenAirDocs) - Serial number: 72-21432 - Year built: 1972 - Type: Rotorcraft - Engine type: Turbo-shaft - Airworthiness: Restricted, agriculture and pest control, aerial surveying, patrolling - Airworthiness date: August 6, 1998 - Certificate issued: June 18, 2003 - Expires: July 31, 2027 - Mode S code: A794C1 - Registered owner: [Tri Rotor Spray & Chemical Inc](https://openairdocs.org/faa-owner/TRI%20ROTOR%20SPRAY%20%26%20CHEMICAL%20INC) - Location: [Ulysses, KS](https://openairdocs.org/faa-place/KS/Ulysses) - Owner type: Corporation - Owner's area on the map: 37.5984° N, 101.3223° W: Placed by OpenAirDocs at the center of ZIP code 67880, within about 15 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=588MP - Page: https://openairdocs.org/aircraft/N588MP From the FAA registry file of October 22, 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 Allison T63 model are included. ## ADs that may apply (OpenAirDocs): 1 in force ### Matched by airframe (Bell OH-58A) None in force. ### Matched by engine (Allison T63 series) - [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 ## Information bulletins (advisory) (3 in force) - [SAIB NE-16-13](https://openairdocs.org/saib/NE-16-13): Powerplant - Prohibited use of sealant. Issued Mar 8, 2016 - [SAIB NE-13-04](https://openairdocs.org/saib/NE-13-04): Continental Motors, Inc. (CMI) Connecting Rod Piston Pin Bushing Inspection. Issued Oct 31, 2012 - [SAIB NE-02-31](https://openairdocs.org/saib/NE-02-31): . Issued Jun 10, 2002 ## NTSB investigations (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 GAA16CA372](https://openairdocs.org/ntsb/GAA16CA372), Jul 10, 2016: Bell OH 58 (N588MP), Surprise, AZ, substantial damage. Probable cause: While at a low altitude, the pilot's decision to do an abrupt descending right downwind turn which resulted in flying through his own vortices and an impact with terrain. ## FAA accident and incident reports (1) 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. - [Accident 20160710011929A](https://openairdocs.org/incident/20160710011929A), Jul 10, 2016: Bell OH-58A (N588MP), Surprise, AZ, Substantial damage. At approximately 1210 MST, the commercial pilot had been at work approximately three and one half hours before the accident. The pilot stated he had finished… ## 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 (Allison T63 series) - [STC SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc. Lists T6-320-A - [STC SE1780NM](https://openairdocs.org/stc/SE1780NM): Installation of Precise Flight standby vacuum system (SVS III). Precise Flight Inc. Lists T6-320-A - [STC SE09513SC](https://openairdocs.org/stc/SE09513SC): Installation and usage of Exxon 20W50 Multigrade aircraft engine oil conforming to Exxon Oil Formulation WS-3013. Exxon Company USA. Lists T6-320-A - [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 T6-320-A ## Related - Other Bell OH-58A aircraft: https://openairdocs.org/model/bell-oh-58a/aircraft.md - The Allison T63 series engine: https://openairdocs.org/engine/allison-t63-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.