# N99990: 1974 Pilatus B4-PC11

- Status: Valid registration
- Airframe: [Pilatus B4-PC11](https://openairdocs.org/model/pilatus-b4-pc11) (registry code 7090104, 3 seats)
- Data sheets: [TCDS G25EU](https://openairdocs.org/tcds/G25EU) (Pilatus Aircraft Limited) (OpenAirDocs)
- Serial number: 158
- Year built: 1974
- Type: Glider
- Engine type: None
- Airworthiness: Standard, glider
- Airworthiness date: July 9, 1974
- Certificate issued: April 16, 2022
- Expires: April 30, 2029
- Mode S code: ADF7BE
- Registered owner: [Pickens Edward  C](https://openairdocs.org/faa-owner/PICKENS%20EDWARD%20%20C)
- Location: [Raleigh, NC](https://openairdocs.org/faa-place/NC/Raleigh)
- Owner type: Individual
- Owner's area on the map: 35.8503° N, 78.7039° W: Placed by OpenAirDocs at the center of ZIP code 27612, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=99990
- Page: https://openairdocs.org/aircraft/N99990

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): 4 in force

### Matched by airframe (Pilatus B4-PC11)

- [AD 2005-08-07](https://openairdocs.org/ad/2005-08-07): Control-column support · Pilatus B4-PC11, B4-PC11A and B4-PC11AF. Effective Jun 2, 2005
- [AD 75-17-08](https://openairdocs.org/ad/75-17-08): Canopy Jettisoning Capability · Pilatus B4-PC11. Effective Aug 18, 1975
- [AD 75-16-11](https://openairdocs.org/ad/75-16-11): Rudder Control Cables · Pilatus B4-PC11. Effective Jul 29, 1975
- [AD 75-16-05](https://openairdocs.org/ad/75-16-05): Aileron Control Bolts · Pilatus B4-PC11. Effective Jul 28, 1975

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N99990.

## FAA accident and incident reports

None matched to N99990.

## 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 N99990

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N99990 before.

- [Cancelled 1955-08-18](https://openairdocs.org/deregistered/N99990-1955-08-18): Ercoupe 415-C, S/N 2613, built 1946. Owner: [Klitgaard Robert W](https://openairdocs.org/faa-owner/KLITGAARD%20ROBERT%20W), [Hopkins, MN](https://openairdocs.org/faa-place/MN/Hopkins)

## Related

- Other Pilatus B4-PC11 aircraft: https://openairdocs.org/model/pilatus-b4-pc11/aircraft.md

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