# N3945: 1926 Travel Air 4000

- Status: Valid registration
- Airframe: [Travel Air 4000](https://openairdocs.org/model/travel-air-4000) (registry code 2621818, 3 seats)
- Engine: [Wright CURTISS OX5](https://openairdocs.org/engine/wright-curtiss-ox5) (registry code 67002)
- Data sheets: [TCDS T00013WI](https://openairdocs.org/tcds/T00013WI) (Textron Aviation Inc.), [TCDS Group 2 Curtiss OX-5](https://openairdocs.org/tcds/Group%202%20Curtiss%20OX-5) (Wright Aeronautical Division Curtiss-Wright Corporation) (OpenAirDocs)
- Serial number: 319
- Year built: 1926
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: May 7, 1971
- Certificate issued: July 26, 2018
- Expires: July 31, 2028
- Mode S code: A494AC
- Registered owners: [Bikle Michael Trustee](https://openairdocs.org/faa-owner/BIKLE%20MICHAEL%20TRUSTEE), [Bikle Darcy Trustee](https://openairdocs.org/faa-owner/BIKLE%20DARCY%20TRUSTEE)
- Location: [Prunedale, CA](https://openairdocs.org/faa-place/CA/Prunedale)
- Owner type: Co-owned
- Owner's area on the map: 36.7668° N, 121.6667° W: Placed by OpenAirDocs at the center of ZIP code 93907, 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=3945
- Page: https://openairdocs.org/aircraft/N3945

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): 3 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 (Wright CURTISS OX5)

None in force.

## 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 (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 LAX08LA146](https://openairdocs.org/ntsb/LAX08LA146), May 17, 2008: Travel Air 4000 (N3945), Hollister, CA, substantial damage. Probable cause: The pilot's failure to maintain physical clearance from the other airplane while taxiing.

## 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 20080517838072A](https://openairdocs.org/incident/20080517838072A), May 17, 2008: Curtis TRVAIR4000 (N3945), Hollister, CA, Substantial damage. (-23) On may 17,2008, at approximately 13:00 PST at Hollister airport (kcvh), Hollister, CA a travelair, (NC3945) came into contact with a Cessna 206, (N4638F)…

## 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) (17)

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

## Related

- Other Travel Air 4000 aircraft: https://openairdocs.org/model/travel-air-4000/aircraft.md
- The Wright CURTISS OX5 engine: https://openairdocs.org/engine/wright-curtiss-ox5.md

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