# N935UA: University Of Oklahoma COPTER SONDE 2

- Status: Valid registration
- Airframe: [University Of Oklahoma COPTER SONDE 2](https://openairdocs.org/model/university-of-oklahoma-copter-sonde-2) (registry code 0610118)
- Serial number: CASS-0015
- Type: Rotorcraft
- Engine type: Electric
- Certificate issued: May 20, 2020
- Expires: May 31, 2027
- Mode S code: ACF9FF
- Registered owner: [Board Of Regents For The University Of Oklahoma](https://openairdocs.org/faa-owner/BOARD%20OF%20REGENTS%20FOR%20THE%20UNIVERSITY%20OF%20OKLAHOMA)
- Location: [Norman, OK](https://openairdocs.org/faa-place/OK/Norman)
- Owner type: Government
- Owner's area on the map: 35.2116° N, 97.5010° W: Placed by OpenAirDocs at the center of ZIP code 73072, 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=935UA
- Page: https://openairdocs.org/aircraft/N935UA

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 (University Of Oklahoma COPTER SONDE 2)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N935UA.

## FAA accident and incident reports

None matched to N935UA.

## 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.

## Service difficulty reports on N935UA not matched to an aircraft (2)

They name N935UA, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR UALA2012082404758](https://openairdocs.org/sdr/UALA2012082404758), Aug 23, 2012: FRAME. CRACKED. CABIN FRAME CRACKED BS 867 STR 8R. MAJOR REPAIR ACP'D, INSTALLED REPAIR ANGLE DOUBLERS PER MM 53-10-84 AT HMV3 ON NR11194-2000-0028. THIS REPAIR NEEDS A ONE TIM
- [SDR UALA2012082404750](https://openairdocs.org/sdr/UALA2012082404750), Aug 23, 2012: STRUCTURE. DENTED. FWD CARGO DOOR DENTED. LOCATE, INSPECT PER SRM 52-00-01. FOUND DENT 15.5 INCHES FROM AFT ON FWD CARGO DOOR 12.5 INCHES FROM TOP OF DOOR. DENT IS 4.5 INCHES LONG

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N935UA

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N935UA before.

- [Cancelled 2010-07-14](https://openairdocs.org/deregistered/N935UA-2010-07-14): Boeing 737-522, S/N 26663, built 1992. Triennial form not returned. Owner: [United Air Lines Inc](https://openairdocs.org/faa-owner/UNITED%20AIR%20LINES%20INC), [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago)

## Related

- Other University Of Oklahoma COPTER SONDE 2 aircraft: https://openairdocs.org/model/university-of-oklahoma-copter-sonde-2/aircraft.md

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