# Earlier aircraft under this name: Keystone Helicopter Corp

A list on [Keystone Helicopter Corp](https://openairdocs.org/faa-owner/KEYSTONE%20HELICOPTER%20CORP.md).

Cancelled registrations that named this owner when they ended, newest first.

- [N138BW](https://openairdocs.org/deregistered/N138BW-2011-05-13.md): Keystone Helicopter S-92A · S/N 920138 · Cancelled May 13, 2011 · Exported to Kuwait · Built 2010 · Coatesville, PA
- [N139UN](https://openairdocs.org/deregistered/N139UN-2011-05-13.md): Keystone Helicopter S-92A · S/N 920139 · Cancelled May 13, 2011 · Exported to Kuwait · Built 2010 · Coatesville, PA
- [N7069](https://openairdocs.org/deregistered/N7069-2011-04-26.md): Sikorsky CH37B · S/N 57-1660 · Cancelled Apr 26, 2011 · Expired dealer · Built 1959 · Coatesville, PA
- [N129PL](https://openairdocs.org/deregistered/N129PL-2011-03-08.md): Keystone Helicopter S-92A · S/N 920129 · Cancelled Mar 8, 2011 · Exported to Saudi Arabia · Built 2010 · Coatesville, PA
- [N131RF](https://openairdocs.org/deregistered/N131RF-2011-03-08.md): Keystone Helicopter S-92A · S/N 920131 · Cancelled Mar 8, 2011 · Exported to Thailand · Built 2010 · Coatesville, PA
- [N796A](https://openairdocs.org/deregistered/N796A-2010-12-07.md): Keystone Helicopter S-76C · S/N 760796 · Cancelled Dec 7, 2010 · Exported to China · Built 2010 · Coatesville, PA
- [N798E](https://openairdocs.org/deregistered/N798E-2010-12-07.md): Keystone Helicopter S-76C · S/N 760798 · Cancelled Dec 7, 2010 · Exported to China · Built 2010 · Coatesville, PA
- [N755L](https://openairdocs.org/deregistered/N755L-2010-01-07.md): Keystone Helicopter S-76C · S/N 760755 · Cancelled Jan 7, 2010 · Exported to Malaysia · Built 2009 · Coatesville, PA
- [N762L](https://openairdocs.org/deregistered/N762L-2010-01-06.md): Keystone Helicopter S-76C · S/N 760762 · Cancelled Jan 6, 2010 · Exported to China · Built 2009 · Coatesville, PA
- [N763L](https://openairdocs.org/deregistered/N763L-2010-01-06.md): Keystone Helicopter S-76C · S/N 760763 · Cancelled Jan 6, 2010 · Exported to China · Built 2009 · Coatesville, PA
- [N753V](https://openairdocs.org/deregistered/N753V-2009-09-25.md): Keystone Helicopter S-76C · S/N 760753 · Cancelled Sep 25, 2009 · Exported to United Kingdom · Built 2009 · Coatesville, PA
- [N523KH](https://openairdocs.org/deregistered/N523KH-2002-07-22.md): Sikorsky S-76C · S/N 760424 · Cancelled Jul 22, 2002 · Exported to Sweden · West Chester, PA
- [N18KH](https://openairdocs.org/deregistered/N18KH-2002-02-22.md): Sikorsky S-76A · S/N 760219 · Cancelled Feb 22, 2002 · Exported to Sweden · West Chester, PA
- [N876TC](https://openairdocs.org/deregistered/N876TC-1999-11-16.md): Sikorsky S-76A · S/N 760172 · Cancelled Nov 16, 1999 · Exported to Sweden · West Chester, PA
- [N110AG](https://openairdocs.org/deregistered/N110AG-1994-10-11.md): Sikorsky S-76A · S/N 760190 · Cancelled Oct 11, 1994 · Exported to Sweden · West Chester, PA
- [N868](https://openairdocs.org/deregistered/N868-1991-01-28.md): Sikorsky S-58C · S/N 58449 · Cancelled Jan 28, 1991 · Triennial form not returned · West Chester, PA
- [N10010](https://openairdocs.org/deregistered/N10010-1970-06-19.md): Sikorsky R-5A · S/N 170 · Cancelled Jun 19, 1970 · Philadelphia, PA
- [N4155A](https://openairdocs.org/deregistered/N4155A-1959-10-05.md): Bell 47G · S/N 1327 · Cancelled Oct 5, 1959 · Exported to Colombia · Philadelphia 10, PA
- [N3917A](https://openairdocs.org/deregistered/N3917A-1959-02-13.md): Bell 47G · S/N 1210 · Cancelled Feb 13, 1959 · Exported to Colombia · Philadelphia, PA
- [N205B](https://openairdocs.org/deregistered/N205B-1958-04-14.md): Bell 47D · S/N 25 · Cancelled Apr 14, 1958 · Exported to Colombia · Built 1948 · Philadelphia, PA
- [N235B](https://openairdocs.org/deregistered/N235B-1958-02-19.md): Bell 47D1 · S/N 176 · Cancelled Feb 19, 1958 · Built 1950 · Philadelphia, PA
- [N943B](https://openairdocs.org/deregistered/N943B-1957-09-23.md): Bell 47G · S/N 676 · Cancelled Sep 23, 1957 · Philadelphia, PA
- [N233B](https://openairdocs.org/deregistered/N233B-1957-02-21.md): Bell 47D · S/N 174 · Cancelled Feb 21, 1957 · Exported to Guatemala · Built 1950 · Philadelphia, PA
- [N2461B](https://openairdocs.org/deregistered/N2461B-1956-08-29.md): Bell 47G · S/N 1323 · Cancelled Aug 29, 1956 · Exported to Colombia · Built 1955 · Philadelphia, PA
- [N209B](https://openairdocs.org/deregistered/N209B-1956-07-25.md): Bell 47D1 · S/N 70 · Cancelled Jul 25, 1956 · Built 1956 · Philadelphia, PA
- [N209B](https://openairdocs.org/deregistered/N209B-1955-09-19.md): Bell 47D · S/N 75 · Cancelled Sep 19, 1955 · Exported to Colombia · Built 1948 · Philadelphia, PA
- [N954B](https://openairdocs.org/deregistered/N954B-1955-06-29.md): Bell 47G · S/N 720 · Cancelled Jun 29, 1955 · Exported to Colombia · Philadelphia, PA

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT d.n_number, d.cancel_date, d.status, d.export_country, d.serial_number, d.year_manufactured, m.manufacturer, m.model, d.registrant_name, d.registrant_city, d.registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_deregistration.parquet' d LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m ON m.code = d.aircraft_model_code
WHERE d.registrant_name = 'KEYSTONE HELICOPTER CORP' OR list_contains(d.other_registrant_names, 'KEYSTONE HELICOPTER CORP')
ORDER BY d.cancel_date DESC NULLS LAST, d.deregistration_id
```

This list as a web page: https://openairdocs.org/faa-owner/KEYSTONE%20HELICOPTER%20CORP/earlier

---
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