# N542TW: 2021 David Michael Tranquilla RANS COURIER S7S

- Status: Valid registration
- Airframe: [David Michael Tranquilla RANS COURIER S7S](https://openairdocs.org/model/david-michael-tranquilla-rans-courier-s7s) (registry code 056392A, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: 0216628
- Year built: 2021
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Kit: Rans Designs Inc S-7S COURIER
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 6, 2021
- Certificate issued: April 21, 2021
- Expires: April 30, 2028
- Mode S code: A6E118
- Registered owner: [Tranquilla David Michael](https://openairdocs.org/faa-owner/TRANQUILLA%20DAVID%20MICHAEL)
- Location: [Truckee, CA](https://openairdocs.org/faa-place/CA/Truckee)
- Owner type: Individual
- Owner's area on the map: 39.3477° N, 120.2247° W: Placed by OpenAirDocs at the center of ZIP code 96161, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=542TW
- Page: https://openairdocs.org/aircraft/N542TW

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. The registry lists only the engine series, so ADs for every Rotax 912ULS model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (David Michael Tranquilla RANS COURIER S7S)

None in force.

### Matched by engine (Rotax 912ULS series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N542TW.

## NTSB investigations on N542TW 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 ATL85FA197](https://openairdocs.org/ntsb/ATL85FA197), Jun 28, 1985: Piper PA-42 (N542TW), Charlotte, NC, destroyed, 2 fatal

## FAA accident and incident reports

None matched to N542TW.

## Reports on N542TW not matched to an aircraft (1)

They name N542TW, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Accident 19850628028619A](https://openairdocs.org/incident/19850628028619A), Jun 28, 1985: Piper PA42 (N542TW), Charlotte, NC, Destroyed, 1 fatal. Hit tree, utility pole then ground in low, fast turn to final. Pilot noted for fast steep turns in traffic pattern.

## 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 N542TW

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N542TW before.

- [Cancelled 2009-04-29](https://openairdocs.org/deregistered/N542TW-2009-04-29): Lockheed 1329-23E, S/N 5113, built 1968. Triennial form not returned. Owner: [White Industries Inc](https://openairdocs.org/faa-owner/WHITE%20INDUSTRIES%20INC), [Bates City, MO](https://openairdocs.org/faa-place/MO/Bates%20City)
- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N542TW-undated): Piper PA-42, S/N 428001052. Triennial form not returned

## Related

- Other David Michael Tranquilla RANS COURIER S7S aircraft: https://openairdocs.org/model/david-michael-tranquilla-rans-courier-s7s/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

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