# N8984Q: 1972 Aero Commander S2R

- Status: Valid registration
- Airframe: [Aero Commander S2R](https://openairdocs.org/model/aero-commander-s2r) (registry code 0143022, 1 seats)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 1654R
- Year built: 1972
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Certificate issued: August 24, 2007
- Expires: June 30, 2028
- Mode S code: AC65FF
- Registered owner: [Alexander Ag Flying Service Inc](https://openairdocs.org/faa-owner/ALEXANDER%20AG%20FLYING%20SERVICE%20INC)
- Location: [Walnut Grove, CA](https://openairdocs.org/faa-place/CA/Walnut%20Grove)
- Owner type: Corporation
- Owner's area on the map: 38.2034° N, 121.6262° W: Placed by OpenAirDocs at the center of ZIP code 95690, 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=8984Q
- Page: https://openairdocs.org/aircraft/N8984Q

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 Pratt & Whitney R1340 model are included.

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

### Matched by airframe (Aero Commander S2R)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB FTW98LA171](https://openairdocs.org/ntsb/FTW98LA171), Apr 4, 1998: Aero Commander S2R (N8984Q), Cushing, OK, substantial damage. Probable cause: The total loss of engine power resulting from a sheared accessory drive due to an undetermined reason. A factor was the lack of suitable terrain for the forced landing.

## FAA accident and incident reports (2)

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

- [Accident 19980404005579A](https://openairdocs.org/incident/19980404005579A), Apr 4, 1998: Ayres S2R (N8984Q), Cushing, OK, Substantial damage. (.4)During the initial takeoff/climb loss of manifold pressure was noted by the pilot. The engine backfired as the pilot increased the throttle and mixture and…
- [Incident 19950217004659I](https://openairdocs.org/incident/19950217004659I), Feb 17, 1995: Ayres S2RR1820 (N8984Q), Cushing, OK, Minor damage. Narrative: on February 17, 1995, at approximately 1445 local time, an aircraft, N8984, ayers S2R, was on a flight to dispense herbicide material with a full…

## 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.

## Related

- Other Aero Commander S2R aircraft: https://openairdocs.org/model/aero-commander-s2r/aircraft.md
- The Pratt & Whitney R1340 series engine: https://openairdocs.org/engine/pratt-whitney-r1340-series.md

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