# N8988Q: 1969 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: 1488R
- Year built: 1969
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: June 4, 1969
- Certificate issued: September 9, 2009
- Expires: May 31, 2028
- Mode S code: AC668B
- Registered owner: [Hawke Ag Aviation Inc](https://openairdocs.org/faa-owner/HAWKE%20AG%20AVIATION%20INC)
- Location: [Oakdale, CA](https://openairdocs.org/faa-place/CA/Oakdale)
- Owner type: Corporation
- Owner's area on the map: 37.7915° N, 120.7861° W: Placed by OpenAirDocs at the center of ZIP code 95361, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8988Q
- Page: https://openairdocs.org/aircraft/N8988Q

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 (2)

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 CHI91DTG06](https://openairdocs.org/ntsb/CHI91DTG06), Jul 20, 1991: Ayres S2R (N8988Q), Drayton, ND, substantial damage. Probable cause: THAT THE PILOT DID NOT PERFORM ANY PREFLIGHT PLANNING, AND DID NOT USE THE AIRCRAFT PERFORMANCE DATA.
- [NTSB LAX70F0157](https://openairdocs.org/ntsb/LAX70F0157), Oct 13, 1969: Aero Comdr S-2R (N8988Q), Shafter, CA, substantial damage, 1 fatal

## 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, 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 19910720028699A](https://openairdocs.org/incident/19910720028699A), Jul 20, 1991: Ayres S2RR1340REST (N8988Q), Drayton, ND, Substantial damage. Repeated attempts to lift failed. Ran off end runway collapsing gear. Did not dump load or timely abort.

## Service difficulty reports (1)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 20010412CW004](https://openairdocs.org/sdr/20010412CW004), Dec 11, 2000: COUNTERWEIGHT. CRACKED. COUNTERWEIGHT SLUG CRACKED IN SLOTS. LOW TIME, HAVE SLUG.

## 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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