# N4998T: 1950 Dehavilland DHC-1 CHIPMUNK

- Status: Valid registration
- Airframe: [Dehavilland DHC-1 CHIPMUNK](https://openairdocs.org/model/dehavilland-dhc-1-chipmunk) (registry code 2801704, 2 seats)
- Engine: [Rolls-Royce GIPSY MK series](https://openairdocs.org/engine/rolls-royce-gipsy-mk-series) (registry code 54560)
- Serial number: C1-0214
- Year built: 1950
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: January 3, 1983
- Certificate issued: September 28, 2011
- Expires: September 30, 2027
- Mode S code: A63509
- Registered owners: [Lewis Shane](https://openairdocs.org/faa-owner/LEWIS%20SHANE), [Lewis Amanda](https://openairdocs.org/faa-owner/LEWIS%20AMANDA)
- Location: [Tulsa, OK](https://openairdocs.org/faa-place/OK/Tulsa)
- Owner type: Partnership
- Owner's area on the map: 36.0973° N, 95.9232° W: Placed by OpenAirDocs at the center of ZIP code 74135, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4998T
- Page: https://openairdocs.org/aircraft/N4998T

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. The registry lists only the engine series, so ADs for every Rolls-Royce GIPSY MK model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Dehavilland DHC-1 CHIPMUNK)

None in force.

### Matched by engine (Rolls-Royce GIPSY MK series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4998T.

## FAA accident and incident reports

None matched to N4998T.

## 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 N4998T

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4998T before.

- [Cancelled 1972-06-22](https://openairdocs.org/deregistered/N4998T-1972-06-22): Piper PA-34-200, S/N 34-7250194. Exported to Germany. Owner: [Moody Walter P](https://openairdocs.org/faa-owner/MOODY%20WALTER%20P), [Lock Haven, PA](https://openairdocs.org/faa-place/PA/Lock%20Haven)
- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N4998T-undated): Cessna 411, S/N 4110198. Owner: [Cessna Aircraft Co](https://openairdocs.org/faa-owner/CESSNA%20AIRCRAFT%20CO), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)

## Related

- Other Dehavilland DHC-1 CHIPMUNK aircraft: https://openairdocs.org/model/dehavilland-dhc-1-chipmunk/aircraft.md
- The Rolls-Royce GIPSY MK series engine: https://openairdocs.org/engine/rolls-royce-gipsy-mk-series.md

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