# N691AC: 2021 Patriot PA-18R

- Status: Valid registration
- Airframe: [Patriot PA-18R](https://openairdocs.org/model/patriot-pa-18r) (registry code 056389P, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 2021-0701
- Year built: 2021
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 4, 2021
- Certificate issued: October 28, 2021
- Expires: October 31, 2028
- Mode S code: A92E70
- Registered owner: [Lakeland Aero Club Inc](https://openairdocs.org/faa-owner/LAKELAND%20AERO%20CLUB%20INC)
- Location: [Lakeland, FL](https://openairdocs.org/faa-place/FL/Lakeland)
- Owner type: Corporation
- Owner's area on the map: 27.9789° N, 82.0159° W: Placed by OpenAirDocs at the center of ZIP code 33811, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=691AC
- Page: https://openairdocs.org/aircraft/N691AC

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 (Patriot PA-18R)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N691AC.

## FAA accident and incident reports

None matched to N691AC.

## 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 N691AC

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N691AC before.

- [Cancelled 2015-03-18](https://openairdocs.org/deregistered/N691AC-2015-03-18): Boeing 737-46Q, S/N 29001. Exported to Bermuda. Owner: [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- [Cancelled 2006-09-20](https://openairdocs.org/deregistered/N691AC-2006-09-20): Cessna 441, S/N 4410250, built 1981. Exported to Venezuela. Owner: [Caams Inc](https://openairdocs.org/faa-owner/CAAMS%20INC), [Stuart, FL](https://openairdocs.org/faa-place/FL/Stuart)

## Related

- Other Patriot PA-18R aircraft: https://openairdocs.org/model/patriot-pa-18r/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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