# N839PF: 1970 Dornier UH-1D - Status: Valid registration - Airframe: [Dornier UH-1D](https://openairdocs.org/model/dornier-uh-1d) (registry code 118140D, 16 seats) - Engine: [Lycoming T5313B](https://openairdocs.org/engine/lycoming-t5313b) (registry code 41613) - Data sheets: [TCDS E17EA](https://openairdocs.org/tcds/E17EA) (Ozark Aeroworks LLC) (OpenAirDocs) - Serial number: 8232 - Year built: 1970 - Type: Rotorcraft - Engine type: Turbo-shaft - Airworthiness: Experimental, exhibition - Airworthiness date: November 8, 2020 - Certificate issued: February 2, 2018 - Expires: February 29, 2028 - Mode S code: AB7B14 - Registered owner: [Rice Aircraft Services Inc](https://openairdocs.org/faa-owner/RICE%20AIRCRAFT%20SERVICES%20INC) - Location: [Olivehurst, CA](https://openairdocs.org/faa-place/CA/Olivehurst) - Owner type: Corporation - Owner's area on the map: 39.0413° N, 121.5628° W: Placed by OpenAirDocs at the center of ZIP code 95961, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=839PF - Page: https://openairdocs.org/aircraft/N839PF 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): 15 in force ### Matched by airframe (Dornier UH-1D) None in force. ### Matched by engine (Lycoming T5313B) - [AD 2022-10-02](https://openairdocs.org/ad/2022-10-02): Engine Controls · Honeywell International T53-L-703, T53-L-13B S/SB, T53-L-13B S/SA and 14 more. Effective Jun 28, 2022 - [AD 2009-15-13](https://openairdocs.org/ad/2009-15-13): Combustion chamber housings (CCHs) · Honeywell International T5313B, T5317A, T5317A-1 and 2 more. Effective Aug 25, 2009 - [AD 2006-11-16](https://openairdocs.org/ad/2006-11-16): Fuel control regulator assemblies · Honeywell International T53-L-703, T53-L-13B/D, T53-L-13B and 8 more. Effective Jul 5, 2006 - [AD 2006-01-05](https://openairdocs.org/ad/2006-01-05): Turboshaft engine · Honeywell International T53-L-703, T53-L-13B/D, T53-L-13B S/SB and 12 more. Effective Feb 16, 2006 - [AD 2002-15-04](https://openairdocs.org/ad/2002-15-04): Compressor impellers · Honeywell International T53-L-703, T53-L-13B/D, T53-L-13B and 4 more. Effective Sep 10, 2002 - [AD 2002-09-09](https://openairdocs.org/ad/2002-09-09): Centrifugal Compressor Impeller · Honeywell International T53-L-703, T53-L-13B/D, T53-L-13B and 10 more. Effective Jun 13, 2002 - [AD 97-21-07 R1](https://openairdocs.org/ad/97-21-07-R1): Accessory Drive Carrier Assembly · Honeywell International T53-L-703, T5313B, T5317A and 1 more. Effective Jul 6, 1998 - [AD 97-07-05](https://openairdocs.org/ad/97-07-05): Accessory Drive Assembly · Honeywell International T53-L-703, T5311A, T5311B and 4 more. Effective Jun 24, 1997 - [AD 96-17-01](https://openairdocs.org/ad/96-17-01): Suspect second stage power turbine disks · Honeywell International T5313B. Effective Sep 9, 1996 - [AD 95-10-04](https://openairdocs.org/ad/95-10-04): Centrifugal Compressor Impeller · Honeywell International T5313B, T5317A, T5317A-1 and 1 more. Effective May 25, 1995 - [AD 77-17-08](https://openairdocs.org/ad/77-17-08): Fuel Regulator P1 Multiplier Lever · Honeywell International T53-L-703, T5307A, T5309A and 7 more. Effective Mar 30, 1978 - [AD 75-22-02](https://openairdocs.org/ad/75-22-02): Secondary Failure N2 Accessory Drive Shaft · Honeywell International T5307A, T5309A, T5309B and 6 more. Effective Oct 29, 1975 - [AD 75-12-12](https://openairdocs.org/ad/75-12-12): Second Stage Gas Producer Cylinder Retaining Bolt · Honeywell International T5313A and T5313B. Effective Jun 18, 1975 - [AD 75-01-05](https://openairdocs.org/ad/75-01-05): Compressor Impeller Assembly Vane · Honeywell International T5313B. Effective Jan 17, 1975 - [AD 71-08-06](https://openairdocs.org/ad/71-08-06): Overspeed Pickup Housing Assembly · Honeywell International T5313A and T5313B. Effective Apr 16, 1971 ### Historical (superseded or no longer in force) - [AD 2002-03-01](https://openairdocs.org/ad/2002-03-01) (historical): Reduction Gearbox Assembly · Honeywell International T5311A, T5311B, T5313B and 2 more. Effective Mar 21, 2002 - [AD 87-12-05](https://openairdocs.org/ad/87-12-05) (historical): Gas Producer Turbine and Power Turbine Disks · Honeywell International T5313B. Effective Jul 20, 1987 ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N839PF. ## FAA accident and incident reports None matched to N839PF. ## 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) (3) 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 T5313B) - [STC SE00585AT](https://openairdocs.org/stc/SE00585AT): Installation of Aeronautical Accessories, Inc. PC Safety Valve Kit. Bell Helicopter Textron Inc - [STC SE00029EN](https://openairdocs.org/stc/SE00029EN): Installation of Pratt & Whitney Engine Services Inc. SmartCycle Plus Engine Monitoring System, P/N EMU-K-010-1 on specific T53 engine models. Pratt & Whitney Engine Services Inc - [STC SE01440NY](https://openairdocs.org/stc/SE01440NY): Conversion of Honeywell engine model T5313B to Honeywell engine model T5317A utilizing Aero Design, Ltd. conversion instructions C1437.02 dtd 4/30/01. Dart Aerospace Limited ## Related - Other Dornier UH-1D aircraft: https://openairdocs.org/model/dornier-uh-1d/aircraft.md - The Lycoming T5313B engine: https://openairdocs.org/engine/lycoming-t5313b.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.