# N4741: 1918 Thomas-Morse S4B

- Status: Valid registration
- Airframe: [Thomas-Morse S4B](https://openairdocs.org/model/thomas-morse-s4b) (registry code 0761150, 1 seats)
- Engine: [Lerhone TYPE C](https://openairdocs.org/engine/lerhone-type-c) (registry code 40001)
- Serial number: 305SUB
- Year built: 1918
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: August 6, 2018
- Certificate issued: March 15, 2016
- Expires: March 31, 2029
- Mode S code: A5D271
- Registered owner: [Ithaca Aviation Heritage Foundation Inc](https://openairdocs.org/faa-owner/ITHACA%20AVIATION%20HERITAGE%20FOUNDATION%20INC)
- Location: [Ithaca, NY](https://openairdocs.org/faa-place/NY/Ithaca)
- Owner type: Corporation
- Owner's area on the map: 42.4318° N, 76.5002° W: Placed by OpenAirDocs at the center of ZIP code 14850, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4741
- Page: https://openairdocs.org/aircraft/N4741

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 (Thomas-Morse S4B)

None in force.

### Matched by engine (Lerhone TYPE C)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4741.

## FAA accident and incident reports

None matched to N4741.

## Reports on N4741 not matched to an aircraft (2)

They name N4741, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19841102065979I](https://openairdocs.org/incident/19841102065979I), Nov 2, 1984: Boeing 727235 (N4741), St Louis, MO. Engine fire warning light came on, fire bottle discharged. Nr 3 engine 13 stage air duct broken.
- [Incident 19780921036052I](https://openairdocs.org/incident/19780921036052I), Sep 21, 1978: Boeing 727200 (N4741), Flushing, NY, Minor damage. While parked at gate vertical tail cone and elevator were struck by N4741 who was taxiing to gate.

## 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)

None matched to this aircraft's models.

## Earlier aircraft with N4741

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4741 before.

- [Cancelled 1928-12-14](https://openairdocs.org/deregistered/N4741-1928-12-14): Travel Air Mfg 2000, S/N 411. Owner: [Hyer Fred](https://openairdocs.org/faa-owner/HYER%20FRED), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth)

## Related

- Other Thomas-Morse S4B aircraft: https://openairdocs.org/model/thomas-morse-s4b/aircraft.md
- The Lerhone TYPE C engine: https://openairdocs.org/engine/lerhone-type-c.md

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