# Soto William J CH701 - Type: Aircraft model (FAA registry) - Registry code: 056375K - Manufacturer (registry): SOTO WILLIAM J - Model: CH701 - Aircraft type: Fixed wing single engine - Category: Airplane - Engines: 1 · Reciprocating - Seats: 2 - Weight class: Up to 12,499 lb - Certification: Not type certificated - Registered aircraft: 1 - Page: https://openairdocs.org/model/soto-william-j-ch701 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 (1) - [N701WJ](https://openairdocs.org/aircraft/N701WJ): [Soto William J](https://openairdocs.org/faa-owner/SOTO%20WILLIAM%20J), [Antioch, CA](https://openairdocs.org/faa-place/CA/Antioch), built 2019, S/N 7-10529 ## NTSB investigations (2) 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 WPR26LA324](https://openairdocs.org/ntsb/WPR26LA324), Aug 30, 2026: Zenith CH701 (N701WJ), Byron, CA, substantial damage, investigation ongoing - [NTSB WPR20LA035](https://openairdocs.org/ntsb/WPR20LA035), Nov 29, 2019: Zenith Stol CH701 (N701WJ), Byron, CA, substantial damage. Probable cause: The pilot/builder's improper construction of the cowling, which resulted in inadequate venting of the engine, its overheating, and a partial loss of engine power. ## FAA accident and incident reports (2) 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 20260830012039A](https://openairdocs.org/incident/20260830012039A), Aug 30, 2026: Soto William J CH701 (N701WJ), Byron, CA, Substantial damage. It was reported by the Byron Airport aircraft rescue fire fighting (ARFF) team that on August 30, 2026, at Byron Airport (C83) in contra costa county, [privacy… - [Accident 20191129022279A](https://openairdocs.org/incident/20191129022279A), Nov 29, 2019: Soto William J CH701 (N701WJ), Byron, CA, Substantial damage. N701WJ accident @ Byron airport (C83) on 11/30/19, 0000Z. Crashed about 700 ft short of runway 23. POB:1; injuries: none; damage: substantial. ## Service difficulty reports (3) As reported by operators and repair stations, by the model named in the report. - [SDR 2021FA0000118](https://openairdocs.org/sdr/2021FA0000118), Apr 29, 2021: HINGE BRACKET. BROKEN. PILOT NOTICE A YAW CONTROL PROBLEM IN CRUSE FLIGHT. HE DID NOT HAVE FULL TRAVEL IN THE RH RUDDER INPUT. PILOT HAD AN OPEN FIELD IN VIEW AND MADE A OFF FIELD LAN - [SDR 2015FA0000269](https://openairdocs.org/sdr/2015FA0000269), May 23, 2015: BUNGEE. BROKEN. BUNGEE WAS INSTALLED ON THE NOSE LANDING GEAR STRUT ON AN EXPERIMENTAL AIRCRAFT. THE BUILDER NOTED THE AGE OF THE UNUSED BUNGEE WAS APPROXIMATELY 12 YEARS. DURI - [SDR 95ZZZX4310](https://openairdocs.org/sdr/95ZZZX4310), Jul 27, 1995: GEAR. TEETH SHEARED. ROTARY VALVE GEAR OIL SUMP FASTENER BROKE AND SUMP FELL TO A LOWER LEVEL THAN THE CRANKSHAFT. LACK OF LUBRICATION FROM SUMP CAUSED BRASS ROTARY VALVE GEAR TO SH ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Wilson Alan A CH701](https://openairdocs.org/model/wilson-alan-a-ch701): 1 registered aircraft, registry code 05602M0 - [Siler Alson Grolyn CH-701](https://openairdocs.org/model/siler-alson-grolyn-ch-701): 1 registered aircraft, registry code 0560581 - [Haroldsen David Reid CH 701](https://openairdocs.org/model/haroldsen-david-reid-ch-701): 1 registered aircraft, registry code 056065S - [Combs Michael David CH701](https://openairdocs.org/model/combs-michael-david-ch701): 1 registered aircraft, registry code 05607FV - [Starbuck James E CH 701](https://openairdocs.org/model/starbuck-james-e-ch-701): 1 registered aircraft, registry code 056108L - [Skore Tom T CH-701 (STOL)](https://openairdocs.org/model/skore-tom-t-ch-701-stol): 1 registered aircraft, registry code 056141L - [Campbell R W CH701](https://openairdocs.org/model/campbell-r-w-ch701): 1 registered aircraft, registry code 05614JI - [Pippert David CH-701](https://openairdocs.org/model/pippert-david-ch-701): 1 registered aircraft, registry code 05615O9 - [Dallmeyer Ronald G CH-701](https://openairdocs.org/model/dallmeyer-ronald-g-ch-701): 1 registered aircraft, registry code 05617PX - [Rouse James M CH 701](https://openairdocs.org/model/rouse-james-m-ch-701): 1 registered aircraft, registry code 05617Q1 - [Thomas Don CH 701](https://openairdocs.org/model/thomas-don-ch-701): 1 registered aircraft, registry code 05617RX - [Chase Robert S CH 701](https://openairdocs.org/model/chase-robert-s-ch-701): 1 registered aircraft, registry code 05619ZN --- 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.