# N4128L: 1995 Purdum R F/Hemenway H L P-1

- Status: Valid registration
- Airframe: [Purdum R F/Hemenway H L P-1](https://openairdocs.org/model/purdum-r-f-hemenway-h-l-p-1) (registry code 05626AP, 1 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 1
- Year built: 1995
- Type: Balloon
- Engine type: None
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 10, 1995
- Certificate issued: September 15, 1994
- Expires: August 31, 2028
- Mode S code: A4DF09
- Registered owners: [Purdum Rodney F](https://openairdocs.org/faa-owner/PURDUM%20RODNEY%20F), [Hemenway Hollie L](https://openairdocs.org/faa-owner/HEMENWAY%20HOLLIE%20L)
- Location: [Portland, OR](https://openairdocs.org/faa-place/OR/Portland)
- Owner type: Co-owned
- Owner's area on the map: 45.5382° N, 122.6000° W: Placed by OpenAirDocs at the center of ZIP code 97213, 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=4128L
- Page: https://openairdocs.org/aircraft/N4128L

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 (Purdum R F/Hemenway H L P-1)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N4128L.

## FAA accident and incident reports

None matched to N4128L.

## 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 N4128L

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4128L before.

- [Cancelled 1991-04-04](https://openairdocs.org/deregistered/N4128L-1991-04-04): Cessna 172G, S/N 17254197. Owner: [Sutphin John E](https://openairdocs.org/faa-owner/SUTPHIN%20JOHN%20E), [Bloomfield, IN](https://openairdocs.org/faa-place/IN/Bloomfield)

## Related

- Other Purdum R F/Hemenway H L P-1 aircraft: https://openairdocs.org/model/purdum-r-f-hemenway-h-l-p-1/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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