# N331LB: 1974 Rockwell International S-2R

- Status: Valid registration
- Airframe: [Rockwell International S-2R](https://openairdocs.org/model/rockwell-international-s-2r) (registry code 7630202, 1 seats)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 1997R
- Year built: 1974
- Type: Fixed wing single engine
- Engine type: Turbo-prop
- Airworthiness: Experimental, showing compliance
- Airworthiness date: May 16, 1984
- Certificate issued: April 4, 2023
- Expires: April 30, 2030
- Mode S code: A39A82
- Registered owner: [Jb Ag Service LLC](https://openairdocs.org/faa-owner/JB%20AG%20SERVICE%20LLC)
- Location: [Colstrip, MT](https://openairdocs.org/faa-place/MT/Colstrip)
- Owner type: LLC
- Owner's area on the map: 45.9168° N, 106.7220° W: Placed by OpenAirDocs at the center of ZIP code 59323, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=331LB
- Page: https://openairdocs.org/aircraft/N331LB

From the FAA registry file of October 21, 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 Pratt & Whitney R1340 model are included.

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

### Matched by airframe (Rockwell International S-2R)

None in force.

### Matched by engine (Pratt & Whitney R1340 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N331LB.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20200708009199I](https://openairdocs.org/incident/20200708009199I), Jul 8, 2020: Rockwell International S-2R (N331LB), Pine Bluffs, WY, Minor damage. PIC loaded the aircraft to spray herbicide in a field at la grange, WY the evening prior to the incident at airport 82V . PIC started at 04:30 am by doing a…

## Service difficulty reports

None filed for this aircraft. Reports filed since December 14, 1988, when the mark's previous registration was cancelled.

## Earlier aircraft with N331LB

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N331LB before.

- [Cancelled 1988-12-14](https://openairdocs.org/deregistered/N331LB-1988-12-14): New Leo RUTAN LONG-EZE, S/N 1151. N-number assigned, not yet registered

## Related

- Other Rockwell International S-2R aircraft: https://openairdocs.org/model/rockwell-international-s-2r/aircraft.md
- STCs for the Rockwell International S-2R: https://openairdocs.org/model/rockwell-international-s-2r/stcs.md
- The Pratt & Whitney R1340 series engine: https://openairdocs.org/engine/pratt-whitney-r1340-series.md

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