# Travel Air 4-D - Type: Aircraft model (FAA registry) - Registry code: 2621010 - Manufacturer (registry): TRAVEL AIR - Model: 4-D - Aircraft type: Fixed wing single engine - Category: Airplane - Engines: 1 · Reciprocating - Seats: 3 - Weight class: Up to 12,499 lb - Cruise speed: 79 mph - Certification: Type certificated - Data sheet: [TCDS ATC 305](https://openairdocs.org/tcds/ATC%20305) (OpenAirDocs) - Holder: Stearman Aircraft Company - Registered aircraft: 4 - Page: https://openairdocs.org/model/travel-air-4-d Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. None matched. ## Registered aircraft (4) - [N442N](https://openairdocs.org/aircraft/N442N): [Nielson Curtis L](https://openairdocs.org/faa-owner/NIELSON%20CURTIS%20L), [Grand Prairie, TX](https://openairdocs.org/faa-place/TX/Grand%20Prairie), S/N 1329 - [N476N](https://openairdocs.org/aircraft/N476N): [Zeiler Richard Trustee](https://openairdocs.org/faa-owner/ZEILER%20RICHARD%20TRUSTEE), [Thousand Oaks, CA](https://openairdocs.org/faa-place/CA/Thousand%20Oaks), S/N 1366 - [N697K](https://openairdocs.org/aircraft/N697K): [Rambo Gene](https://openairdocs.org/faa-owner/RAMBO%20GENE), [Falls Church, VA](https://openairdocs.org/faa-place/VA/Falls%20Church), built 1930, S/N 1320 - [N9915](https://openairdocs.org/aircraft/N9915): [Hi-Plane LLC](https://openairdocs.org/faa-owner/HI-PLANE%20LLC), [Athens, AL](https://openairdocs.org/faa-place/AL/Athens), S/N 1102 ## 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 WPR22LA051](https://openairdocs.org/ntsb/WPR22LA051), Nov 30, 2021: Travel Air 4-D (N476N), Riverside, CA, substantial damage. Probable cause: The pilot's failure to abort a high-speed taxi in time before the airplane exited the end of the airstrip which resulted in the pilot’s over application of the brakes and subsequent nose over. ## 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 20211130020879A](https://openairdocs.org/incident/20211130020879A), Nov 30, 2021: Travel Air 4-D (N476N), Jurupa Valley, CA, Substantial damage. Accident involves an attempted high-speed taxi "shake-down" of a newly restored antique aircraft. The pilot's intention was to enter a grass infield area for a… ## STCs that may be installed (OpenAirDocs) (11) Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC - [STC SA01282NY](https://openairdocs.org/stc/SA01282NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830. Airwolf Filter Corporation - [STC SA01734SE](https://openairdocs.org/stc/SA01734SE): Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts. Andrew D. Humphrey - [STC SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. Electronics International - [STC SA1626NM PAGE 2](https://openairdocs.org/stc/SA1626NM%20PAGE%202): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International - [STC SA3062SO](https://openairdocs.org/stc/SA3062SO): Installation of a Pratt and Whitney model R-985-AN1 engine, a Hamilton Std model 2D30 propeller and other minor changes. Al Kimball - [STC SA2350NM PAGE 2](https://openairdocs.org/stc/SA2350NM%20PAGE%202): Installation of Electronics International Inc digital carburetor/outside air temperature gauges. Electronics International - [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International - [STC SA3862NM PAGE 2](https://openairdocs.org/stc/SA3862NM%20PAGE%202): Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories. Electronics International - [STC SA2190NM PAGE 2](https://openairdocs.org/stc/SA2190NM%20PAGE%202): Installation of electronics International Digital Volt/Amp Gauges and Accessories. Electronics International - [STC SA2350NM](https://openairdocs.org/stc/SA2350NM) (historical): Installation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories. Electronics International ## PMA parts (OpenAirDocs) (2) Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first. - [725933WE](https://drs.faa.gov/browse/excelExternalWindow/E51555550C989FD38525704D005B675C.0001): Gearshaft. Wencor West Inc · Replaces 725933 · Jul 8, 1999 - [10-381160-2](https://drs.faa.gov/browse/excelExternalWindow/FE4FFC46F73C06348525704C0058AFAD.0001): Exciter. Unison Industries · Replaces Garrett 968034-1 · Dec 23, 1992 ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Stearman 4D](https://openairdocs.org/model/stearman-4d): 2 registered aircraft, registry code 8560304 --- 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.