# N901UM: 2017 Ultramagic S-90

- Status: Valid registration
- Airframe: [Ultramagic S-90](https://openairdocs.org/model/ultramagic-s-90) (registry code 9130011, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS B02CE](https://openairdocs.org/tcds/B02CE) (Ultramagic S.A.) (OpenAirDocs)
- Serial number: 90/151
- Year built: 2017
- Type: Balloon
- Engine type: None
- Airworthiness: Standard, balloon
- Airworthiness date: April 28, 2017
- Certificate issued: May 17, 2017
- Expires: May 31, 2027
- Mode S code: AC74B1
- Registered owner: [Hoidahl James R](https://openairdocs.org/faa-owner/HOIDAHL%20JAMES%20R)
- Location: [La Luz, NM](https://openairdocs.org/faa-place/NM/La%20Luz)
- Owner type: Individual
- Owner's area on the map: 32.9964° N, 105.8845° W: Placed by OpenAirDocs at the center of ZIP code 88337, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=901UM
- Page: https://openairdocs.org/aircraft/N901UM

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): 1 in force

### Matched by airframe (Ultramagic S-90)

- [AD 2013-03-10](https://openairdocs.org/ad/2013-03-10): Hardware · Aeronaut Instruction Research Skysailor 105, Skysailor 90, 110C and 439 more. Effective Mar 19, 2013

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory) (1 in force)

- [SAIB CE-11-44](https://openairdocs.org/saib/CE-11-44): Fuel: Cylinder Strap Installation. Issued Jul 13, 2011

## NTSB investigations (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 CEN19CA128](https://openairdocs.org/ntsb/CEN19CA128), Apr 27, 2019: Ultramagic S90 (N901UM), La Mesa, TX, no damage. Probable cause: The pilot's improper decision to launch the balloon in known high wind conditions, and his failure to fully vent the balloon upon landing, which resulted in the balloon landing hard several times,…

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20190427003529A](https://openairdocs.org/incident/20190427003529A), Apr 27, 2019: Ultramagic S-90 (N901UM), Lamesa, TX, No damage. On April 27, 2019, at approximately 0745 local time, N901UM, a S-90 balloon was conducting a personal flight and landed in a field near Lamesa, Texas. Visual…

## 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) (1)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Ultramagic S-90)

- [STC SB04407AT](https://openairdocs.org/stc/SB04407AT): Installation of the DBI-III Omega. Balloonacy, Ltd. LLC

## Related

- Other Ultramagic S-90 aircraft: https://openairdocs.org/model/ultramagic-s-90/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

---
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.