# N298: 2001 Sherman 9KCAB

- Status: Valid registration
- Airframe: [Sherman 9KCAB](https://openairdocs.org/model/sherman-9kcab) (registry code 056090X, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 001
- Year built: 2001
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: October 3, 2001
- Certificate issued: April 5, 2000
- Expires: June 30, 2027
- Mode S code: A31331
- Registered owner: [Sherman Mark](https://openairdocs.org/faa-owner/SHERMAN%20MARK)
- Location: [Phoenix, AZ](https://openairdocs.org/faa-place/AZ/Phoenix)
- Owner type: Individual
- Owner's area on the map: 33.4484° N, 112.0740° W: Placed by OpenAirDocs: center of Phoenix, AZ, within about 13 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=298
- Page: https://openairdocs.org/aircraft/N298

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 (Sherman 9KCAB)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N298.

## FAA accident and incident reports

None matched to N298.

## Reports on N298 not matched to an aircraft (2)

They name N298, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19790811030669I](https://openairdocs.org/incident/19790811030669I), Aug 11, 1979: Boeing 727 (N298), Washington, DC. Emergency declared due to minimum safe fuel. Returned to departure point because of large weather system.
- [Incident 19780208006909I](https://openairdocs.org/incident/19780208006909I), Feb 8, 1978: Boeing 727 (N298), Denver, CO. Hydraulic fluid lost in flight due to a cracked hydraulic pump.

## 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 N298

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N298 before.

- [Cancelled 1976-05-04](https://openairdocs.org/deregistered/N298-1976-05-04): Cessna T337G, S/N P3370235. Exported to Peru. Owner: [Floair Inc](https://openairdocs.org/faa-owner/FLOAIR%20INC)

## Related

- Other Sherman 9KCAB aircraft: https://openairdocs.org/model/sherman-9kcab/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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