# N8538X: Waco DSO - Status: Valid registration - Airframe: [Waco DSO](https://openairdocs.org/model/waco-dso) (registry code 9601208, 3 seats) - Data sheets: [TCDS ATC 42 Waco](https://openairdocs.org/tcds/ATC%2042%20Waco) (The Waco Aircraft Company) (OpenAirDocs) - Serial number: 3002 - Type: Fixed wing single engine - Engine type: Reciprocating - Certificate issued: January 20, 2006 - Expires: October 31, 2029 - Mode S code: ABB603 - Registered owner: [Hogan Thomas A](https://openairdocs.org/faa-owner/HOGAN%20THOMAS%20A) - Location: [Fairfield, OH](https://openairdocs.org/faa-place/OH/Fairfield) - Owner type: Individual - Owner's area on the map: 39.3255° N, 84.5529° W: Placed by OpenAirDocs at the center of ZIP code 45014, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8538X - Page: https://openairdocs.org/aircraft/N8538X 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): 0 in force ### Matched by airframe (Waco DSO) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N8538X. ## NTSB investigations on N8538X not matched to an aircraft (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 SEA72DYG10](https://openairdocs.org/ntsb/SEA72DYG10), Sep 6, 1971: Cessna 172 (N8538X), Salmon, ID, substantial damage - [NTSB UNK64X2492](https://openairdocs.org/ntsb/UNK64X2492), Jun 26, 1964: Cessna 172P (N8538X), Anapra, NM, substantial damage ## FAA accident and incident reports None matched to N8538X. ## 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) (10) 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 (Waco DSO) - [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC - [STC SA01406NY](https://openairdocs.org/stc/SA01406NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K017 on single and multi-engine fixed light aircraft and rotary wing. Airwolf Filter Corporation - [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories. Electronics International Inc - [STC SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. M-20 Oil Separators LLC - [STC SA2687NM](https://openairdocs.org/stc/SA2687NM): Installation of Truboplus/ Electronics Int'l gauges and switches. Aero Manufacturing Inc - [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 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 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 ## Earlier aircraft with N8538X The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N8538X before. - [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N8538X-undated): Cessna P172D, S/N P17257138. Owner: [Williams Duane DBA Shoshone Air Service](https://openairdocs.org/faa-owner/WILLIAMS%20DUANE%20DBA%20SHOSHONE%20AIR%20SERVICE), [Kellogg, ID](https://openairdocs.org/faa-place/ID/Kellogg) ## Related - Other Waco DSO aircraft: https://openairdocs.org/model/waco-dso/aircraft.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.