# N99974: 1974 Pilatus B-4

- Status: Valid registration
- Airframe: [Pilatus B-4](https://openairdocs.org/model/pilatus-b-4) (registry code 7090105, 2 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 165
- Year built: 1974
- Type: Glider
- Engine type: None
- Airworthiness: Standard, glider
- Airworthiness date: April 29, 1975
- Certificate issued: April 6, 2020
- Expires: April 30, 2027
- Mode S code: ADF77C
- Registered owner: [Dmc Aircraft LLC](https://openairdocs.org/faa-owner/DMC%20AIRCRAFT%20LLC)
- Location: [Naples, FL](https://openairdocs.org/faa-place/FL/Naples)
- Owner type: LLC
- Owner's area on the map: 26.2639° N, 81.7175° W: Placed by OpenAirDocs at the center of ZIP code 34119, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=99974
- Page: https://openairdocs.org/aircraft/N99974

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 (Pilatus B-4)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N99974.

## NTSB investigations on N99974 not matched to an aircraft (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX76FUG41](https://openairdocs.org/ntsb/LAX76FUG41), Mar 21, 1976: Erco 415-C (N99974), Lake Elsinore, CA, substantial damage

## FAA accident and incident reports

None matched to N99974.

## 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 N99974

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N99974 before.

- [Cancelled 1961-10-13](https://openairdocs.org/deregistered/N99974-1961-10-13): Forney 415-C, S/N 2597. Owner: [Kaan Stephen E](https://openairdocs.org/faa-owner/KAAN%20STEPHEN%20E), [Birmingham, MI](https://openairdocs.org/faa-place/MI/Birmingham)

## Related

- Other Pilatus B-4 aircraft: https://openairdocs.org/model/pilatus-b-4/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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