# N7220Q: 1972 Ayres S-2R

- Status: Valid registration
- Airframe: [Ayres S-2R](https://openairdocs.org/model/ayres-s-2r) (registry code 0970101, 1 seats)
- Engine: [Walter NZ](https://openairdocs.org/engine/walter-nz) (registry code 64001)
- Data sheets: [TCDS Group 3 Walter](https://openairdocs.org/tcds/Group%203%20Walter) (Walter) (OpenAirDocs)
- Serial number: 1630R
- Year built: 1972
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, research and development
- Airworthiness date: June 19, 1998
- Certificate issued: May 6, 1997
- Expires: April 30, 2030
- Mode S code: A9AD61
- Registered owners: [Morten John E DBA](https://openairdocs.org/faa-owner/MORTEN%20JOHN%20E%20DBA), [Morten Air Service](https://openairdocs.org/faa-owner/MORTEN%20AIR%20SERVICE)
- Location: [Larimore, ND](https://openairdocs.org/faa-place/ND/Larimore)
- Owner type: Individual
- Owner's area on the map: 47.9544° N, 97.6999° W: Placed by OpenAirDocs at the center of ZIP code 58251, 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=7220Q
- Page: https://openairdocs.org/aircraft/N7220Q

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 (Ayres S-2R)

None in force.

### Matched by engine (Walter NZ)

None in force.

### Historical (superseded or no longer in force)

- [AD 97-17-03](https://openairdocs.org/ad/97-17-03) (historical): Lower Spar Cap Bolt Hole Areas · Ayres 600 S-2D, S-2R, S2R-G1 and 12 more. Effective Sep 5, 1997
- [AD 97-13-11](https://openairdocs.org/ad/97-13-11) (historical): Lower Spar Cap Bolt Hole Areas · Ayres 600-S-2C, S-2R, S2R-G1 and 12 more. Effective Jul 23, 1997

## Information bulletins (advisory) (1 in force)

- [SAIB ACE-98-42](https://openairdocs.org/saib/ACE-98-42): . Issued Jul 24, 1998

## NTSB investigations

None matched to N7220Q.

## FAA accident and incident reports

None matched to N7220Q.

## 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 N7220Q

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N7220Q before.

- [Cancelled 1989-03-08](https://openairdocs.org/deregistered/N7220Q-1989-03-08): Cessna 172L, S/N 17260520. Triennial form not returned

## Related

- Other Ayres S-2R aircraft: https://openairdocs.org/model/ayres-s-2r/aircraft.md
- The Walter NZ engine: https://openairdocs.org/engine/walter-nz.md

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