# N9831: Travel Air 4000 - Status: Valid registration - Airframe: [Travel Air 4000](https://openairdocs.org/model/travel-air-4000) (registry code 2621818, 3 seats) - Engine: [Lycoming R680E series](https://openairdocs.org/engine/lycoming-r680e-series) (registry code 41545) - Data sheets: [TCDS T00013WI](https://openairdocs.org/tcds/T00013WI) (Textron Aviation Inc.), [TCDS E-202](https://openairdocs.org/tcds/E-202) (Textron Lycoming AVCO Corporation) (OpenAirDocs) - Serial number: 1052 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Standard, normal - Airworthiness date: October 5, 1987 - Certificate issued: June 11, 2019 - Expires: June 30, 2029 - Mode S code: ADB8C4 - Registered owner: [Travel Air 4000 N9831 LLC](https://openairdocs.org/faa-owner/TRAVEL%20AIR%204000%20N9831%20LLC) - Location: [Clackamas, OR](https://openairdocs.org/faa-place/OR/Clackamas) - Owner type: LLC - Owner's area on the map: 45.4168° N, 122.5331° W: Placed by OpenAirDocs at the center of ZIP code 97015, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9831 - Page: https://openairdocs.org/aircraft/N9831 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 Lycoming R680E model are included. ## ADs that may apply (OpenAirDocs): 8 in force ### Matched by airframe (Travel Air 4000) - [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026 - [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 2011-01-09](https://openairdocs.org/ad/2011-01-09): Oxygen · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 290 more. Effective Feb 9, 2011 ### Matched by engine (Lycoming R680E series) - [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 95-26-02](https://openairdocs.org/ad/95-26-02): Aviation Gasoline · Lycoming Engines IO-320-B1A, IO-320-B1B, IO-320-B1C and 182 more. Effective Jan 24, 1996 - [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 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 ## Information bulletins (advisory) (4 in force) - [SAIB NM-15-23](https://openairdocs.org/saib/NM-15-23): Fuselage - Aerodynamic Fairings - Interference with Nose Landing Gear Doors. Issued Sep 17, 2015 - [SAIB NM-13-28](https://openairdocs.org/saib/NM-13-28): Flight Controls-Aileron Control System. Issued Apr 12, 2013 - [SAIB NM-10-13](https://openairdocs.org/saib/NM-10-13): Navigation: Flight Management System. Issued Jan 7, 2010 - [SAIB NM-10-12](https://openairdocs.org/saib/NM-10-12): Navigation: Flight Management System. Issued Jan 7, 2010 ## NTSB investigations None matched to N9831. ## FAA accident and incident reports None matched to N9831. ## 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) (23) 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 airframe (Travel Air 4000) - [STC ST00885LA](https://openairdocs.org/stc/ST00885LA): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON, LLC d/b/a MASS Systems - [STC ST12344IB](https://openairdocs.org/stc/ST12344IB): Replacement of the Halon Type 1211 portable fire extinguisher with Halotron BrX portable fire extinguisher with Halotron BrX portable fire extinguisher. Cessna Duesseldorf Citation Service Center GmbH - [STC ST01115DE](https://openairdocs.org/stc/ST01115DE): Installation of an Gogo ATG C1. Gogo Business Aviation, LLC - [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc - [STC ST02472AT](https://openairdocs.org/stc/ST02472AT): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII. Aircraft Systems and Manufacturing Inc - [STC ST01117DE](https://openairdocs.org/stc/ST01117DE): Installation of the Gogo ATG C1. Peregrine - [STC ST04655CH](https://openairdocs.org/stc/ST04655CH): Installation of CPDLC/FANS 1/A+ Datalink and SATVOICE Long Range Communication System. Chicago Jet Group - [STC ST01035DE](https://openairdocs.org/stc/ST01035DE): Installation of replacement aft bay Heat Exchanger Blower Fans. Peregrine - [STC ST04340NY](https://openairdocs.org/stc/ST04340NY): Installation of TCAS 7.1 (ACAS II) upgrade of Prior Existing TCAS 7.0. Scandinavian Avionics Design ApS - [STC ST11071SC](https://openairdocs.org/stc/ST11071SC): Demonstration of aircraft critical equipment and antenna systems tolerance of radio frequency interference (RFI) from intentional or spurious transmissions from certain Portable Electronic Devices (PEDs). Liberty Partners Inc - [STC ST10598SC-D](https://openairdocs.org/stc/ST10598SC-D): Installation of a Flight Camera System. Textron Aviation Inc - [STC ST10922SC-D](https://openairdocs.org/stc/ST10922SC-D): Installation of Cabin Interior Furnishings and Systems. Textron Aviation Inc - [STC ST09785AC](https://openairdocs.org/stc/ST09785AC): Installation of a Gogo Business Aviation Air to Ground (ATG) high speed two-way data passenger communication system. Liberty Partners Inc - [STC ST10601SC-D](https://openairdocs.org/stc/ST10601SC-D): Installation of a Cabin Management System Upgrade to a TC Interior in accordance with STC Master Document List (MDL) No. 240-2004 Revision 1 dated September 30, 2011, or later FAA approved revision. Use of FAA approved Airplane Flight Manual Supplement No. 240-590001-0011 Revision 1, dated August 26, 2011, or later FAA approved revision is required and must be made available to the operator at the time of installation. Textron Aviation Inc - [STC ST03776NY](https://openairdocs.org/stc/ST03776NY): Modification to upgrade existing Rockwell Collins TCAS (Model: TTR-920, TTR-921, and TTR-4000) at VERSION 7.0 to Rockwell Collins TCAS (Model: TTR-921, TTR-4000, and TTR-4100) at VERSION 7.1 (ACAS II). Scandinavian Avionics Design ApS - [STC ST10922SC](https://openairdocs.org/stc/ST10922SC): Installation of Cabin Interior Furnishings and Systems. Hawker Beechcraft Corporation - [STC ST02146NY](https://openairdocs.org/stc/ST02146NY): Installation of EMS Technologies Ltd. Cabin Network Xcelerator (CNX). EMS Technologies Canada Ltd ### Approved for the engine (Lycoming R680E 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. Lists R-680-E1 - [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. Lists R-680-E1 - [STC SE2407CE](https://openairdocs.org/stc/SE2407CE): Add the following approved fuel: unleaded automotive gas, 91 minimum antiknock index and leaded automotive gas, 91 minimum antiknock index, (RON+MON)/2. Petersen Aviation Inc. Lists R-680E3 - [STC SE2408CE](https://openairdocs.org/stc/SE2408CE): Add the following approved fuel: unleaded automotive gas, 91 minimum antiknock index and leaded automotive gas, 91 minimum antiknock index, (RON+MON)/2. Petersen Aviation Inc. Lists R-680E1 - [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 R-680 Series - [STC SE128NE](https://openairdocs.org/stc/SE128NE): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. AMS/OIL. Lists R-680 Series ## Related - Other Travel Air 4000 aircraft: https://openairdocs.org/model/travel-air-4000/aircraft.md - The Lycoming R680E series engine: https://openairdocs.org/engine/lycoming-r680e-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.