# N189UM: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: April 4, 1978
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=189UM
- Page: https://openairdocs.org/aircraft/N189UM

## Aircraft that carried N189UM

- [Cancelled 1978-04-04](https://openairdocs.org/deregistered/N189UM-1978-04-04): Douglas DC3, S/N 6262, built 1942. Owner: [Aero Service Corp](https://openairdocs.org/faa-owner/AERO%20SERVICE%20CORP), [Houston, TX](https://openairdocs.org/faa-place/TX/Houston)

## NTSB investigations on N189UM (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 UNK78X0105](https://openairdocs.org/ntsb/UNK78X0105), Feb 8, 1978: Douglas DC-3 (N189UM), Tamanrst, Antigua & Barbuda, destroyed

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.