# N623: 1970 Schleicher ASW-15

- Status: Valid registration
- Airframe: [Schleicher ASW-15](https://openairdocs.org/model/schleicher-asw-15) (registry code 38015HZ, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS G22EU](https://openairdocs.org/tcds/G22EU) (Alexander Schleicher GmbH & Co. Segelflugzeugbau) (OpenAirDocs)
- Serial number: 15073
- Year built: 1970
- Type: Glider
- Engine type: None
- Airworthiness: Standard, glider
- Airworthiness date: February 13, 1979
- Certificate issued: September 25, 2025
- Expires: September 30, 2032
- Mode S code: A82161
- Registered owner: [Noodergraaf Alexander A](https://openairdocs.org/faa-owner/NOODERGRAAF%20ALEXANDER%20A)
- Location: [Concord, NH](https://openairdocs.org/faa-place/NH/Concord)
- Owner type: Individual
- Owner's area on the map: 43.3117° N, 71.6654° W: Placed by OpenAirDocs at the center of ZIP code 03303, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=623
- Page: https://openairdocs.org/aircraft/N623

From the FAA registry file of October 22, 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): 5 in force

### Matched by airframe (Schleicher ASW-15)

- [AD 2023-05-03](https://openairdocs.org/ad/2023-05-03): Wing, Rib/Bulkhead · Alexander Schleicher GmbH & Co. Segelflugzeugbau ASW -15 and ASW-15B. Effective Apr 18, 2023
- [AD 97-08-06 R1](https://openairdocs.org/ad/97-08-06-R1): Quick Connectors · Alexander Schleicher AS-K 13, AS 12, ASK 21 and 39 more. Effective Aug 1, 1997
- [AD 95-09-12](https://openairdocs.org/ad/95-09-12): Wing Spar · Alexander Schleicher ASW-15B, ASW -15, ASW 12 and 1 more. Effective Jun 9, 1995
- [AD 84-20-01](https://openairdocs.org/ad/84-20-01): Bellcrank Inspection · Alexander Schleicher ASW-15B and ASW -15. Effective Oct 1, 1984
- [AD 75-17-11](https://openairdocs.org/ad/75-17-11): Improper Fin-Rudder Nose Clearance · Alexander Schleicher ASW-15B and ASW -15. Effective Aug 18, 1975

### Matched by engine (NONE)

None in force.

### Historical (superseded or no longer in force)

- [AD 2022-14-14](https://openairdocs.org/ad/2022-14-14) (historical): Wing, Rib/Bulkhead · Alexander Schleicher GmbH & Co. Segelflugzeugbau ASW -15. Effective Aug 25, 2022

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

- [SAIB ACE-98-11](https://openairdocs.org/saib/ACE-98-11): . Issued Nov 24, 1997

## NTSB investigations

None matched to N623.

## FAA accident and incident reports

None matched to N623.

## 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 N623

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N623 before.

- [Cancelled 1973-06-27](https://openairdocs.org/deregistered/N623-1973-06-27): Nardi FN-333, S/N 003. Exported to Canada. Owner: [Robbins Airborne Gulfport Inc](https://openairdocs.org/faa-owner/ROBBINS%20AIRBORNE%20GULFPORT%20INC), [Gulfport, MS](https://openairdocs.org/faa-place/MS/Gulfport)

## Related

- Other Schleicher ASW-15 aircraft: https://openairdocs.org/model/schleicher-asw-15/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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