# N997K: 1959 Schleicher Alexander K 7

- Status: Valid registration
- Airframe: [Schleicher Alexander K 7](https://openairdocs.org/model/schleicher-alexander-k-7) (registry code 3801551, 2 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS 7G3](https://openairdocs.org/tcds/7G3) (Alexander Schleicher GmbH & Co. Segelflugzeugbau) (OpenAirDocs)
- Serial number: 573
- Year built: 1959
- Type: Glider
- Engine type: None
- Airworthiness: Standard, normal
- Airworthiness date: September 18, 2022
- Certificate issued: September 1, 2022
- Expires: September 30, 2029
- Mode S code: ADED85
- Registered owner: [Hartley John](https://openairdocs.org/faa-owner/HARTLEY%20JOHN)
- Location: [Bozeman, MT](https://openairdocs.org/faa-place/MT/Bozeman)
- Owner type: Individual
- Owner's area on the map: 45.6395° N, 111.1712° W: Placed by OpenAirDocs at the center of ZIP code 59718, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=997K
- Page: https://openairdocs.org/aircraft/N997K

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): 3 in force

### Matched by airframe (Schleicher Alexander K 7)

- [AD 2022-12-07](https://openairdocs.org/ad/2022-12-07): Elevator, Spar/Rib Structure · Alexander Schleicher GmbH & Co. Segelflugzeugbau Ka2B, Ka 6, Ka 6 B and 7 more. Effective Jul 21, 2022
- [AD 2013-16-05](https://openairdocs.org/ad/2013-16-05): Flight Controls · Alexander Schleicher AS-K 13, K 8, K 8 B and 7 more. Effective Oct 4, 2013
- [AD 61-13-03](https://openairdocs.org/ad/61-13-03): Fuselage Modification · Alexander Schleicher K7. Effective Jun 24, 1961

### Matched by engine (NONE)

None in force.

### Historical (superseded or no longer in force)

- [AD 75-23-03](https://openairdocs.org/ad/75-23-03) (historical): Elevator and Control · Alexander Schleicher AS-K 13, K 8, K7 and 15 more. Effective Nov 14, 1975
- [AD 64-07-05](https://openairdocs.org/ad/64-07-05) (historical): Elevator Control Push Rods · Alexander Schleicher K 8, K 8 B, K7 and 8 more. Effective Apr 13, 1964

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

- [SAIB ACE-98-10](https://openairdocs.org/saib/ACE-98-10): . Issued Nov 24, 1997

## NTSB investigations

None matched to N997K.

## FAA accident and incident reports

None matched to N997K.

## 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) (5)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Schleicher Alexander K 7)

- [STC SA4503NM](https://openairdocs.org/stc/SA4503NM): Remove original cloth covering and install Ceconite covering. Ceconite Division of Poly-Fiber Inc
- [STC SG03715NY](https://openairdocs.org/stc/SG03715NY): Iunstallation and maintenance of Oratex 6000 Covering and Coating System. Lanitz-Prena Folien Factory GmbH
- [STC SG04702NY](https://openairdocs.org/stc/SG04702NY): Installation and maintenance of Oratex UL600 Covering and Coating System. Lanitz-Prena Folien Factory GmbH
- [STC SA1008WE](https://openairdocs.org/stc/SA1008WE): Installation of Poly-Fiber covering material. Poly-Fiber Inc
- [STC SA1351WE](https://openairdocs.org/stc/SA1351WE): Replace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12). Ceconite Inc

## Earlier aircraft with N997K

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N997K before.

- [Cancelled 1939-01-05](https://openairdocs.org/deregistered/N997K-1939-01-05): Curtiss Wright ROBIN, S/N 553. Owner: [Peets Raymond](https://openairdocs.org/faa-owner/PEETS%20RAYMOND)

## Related

- Other Schleicher Alexander K 7 aircraft: https://openairdocs.org/model/schleicher-alexander-k-7/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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