# N944UA: 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-0006 - Type: Rotorcraft - Engine type: Electric - Certificate issued: August 7, 2018 - Expires: August 31, 2028 - Mode S code: AD1DC7 - 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: 35.2057° N, 97.4427° W: Placed by OpenAirDocs at the center of ZIP code 73019, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=944UA - Page: https://openairdocs.org/aircraft/N944UA 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 N944UA. ## FAA accident and incident reports None matched to N944UA. ## Reports on N944UA not matched to an aircraft (1) They name N944UA, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [Incident 20031214034049I](https://openairdocs.org/incident/20031214034049I), Dec 14, 2003: Boeing 737522 (N944UA), Indianapolis, IN. (-23) Ual 1521 reported a mechanical problem 20 miles south west of terre haute, Indiana. At 2245Z, the crew requested an emergency landing at Indianapolis… ## 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 N944UA not matched to an aircraft (11) They name N944UA, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR LCQ28](https://openairdocs.org/sdr/LCQ28), Jan 17, 2005: SEAT FRAME. MISMANUFACTURED. SEAT LEGS ON REWORKED REGENT SEATS, LT AND RT P/N 885498-01, 2 EA. S/N 1068 AND 1322, ALSO P/N 885498-02, S/N'S 1275, 1073, 1070 ARE MIS-PITCHED AND WILL NOT FI - [SDR LCQ27](https://openairdocs.org/sdr/LCQ27), Jan 17, 2005: SEAT FRAME. MISMANUFACTURED. SEAT LEGS ON REWORKED REGENT SEATS, LT AND RT P/N 885498-01, 2 EA. S/N 1068 AND 1322, ALSO P/N 885498-02, S/N'S 1275, 1073 AND 1070 ARE MIS-PITCHED AND WILL NOT - [SDR LCQ26](https://openairdocs.org/sdr/LCQ26), Jan 17, 2005: SKIN. DENTED. AFT CARGO DOOR SKIN HAS DENTS. S/O 269003, N/R 21401 - [SDR 2004UALA00443](https://openairdocs.org/sdr/2004UALA00443), May 5, 2004: COFFEEMAKER. MALFUNCTIONED. RETURNED TO YYZ DUE TO F-A REPORTED SPARKS AND POPPING COMING FROM FWD GALLEY CEILING ABOVE COFFEE MAKER. MECHANIC INSPECTING AIRCRAFT FOUND NO SIGNS OF ARCING - [SDR 2003UALA00957](https://openairdocs.org/sdr/2003UALA00957), Dec 14, 2003: STATIC INVERTER. OVERHEATED. DIVERTED TO IND DUE TO ELECTRICAL BURNING ODOR IN CABIN. STATIC INVERTER REMOVED AS SOURCE OF ODOR, REPORTED UNIT EXTREMELY HOT. REPLACED WITH SERVICABLE UNIT F - [SDR 2002UALA01402](https://openairdocs.org/sdr/2002UALA01402), Sep 4, 2002: FRAME. CRACKED. LEFT HAND STATION 188 FUSELAGE FRAME OUTBOARD CHORD ANGLE CRACKED IN RADIUS JUST ABOVE WL 207.5. MAJOR REPAIR ACCOMPLISHED. MANUFACTURED & INSTALLED ANGLE DOUBL - [SDR 2002UALA01381](https://openairdocs.org/sdr/2002UALA01381), Aug 31, 2002: CLIP. BENT. FUSELAGE NOSE COMP CREASE BEAM CLIP IS BENT AT BODY STATION 178. MAJOR REPAIR ACCOMPLISHED. REPLACED CLIP. - [SDR 2002UALA01380](https://openairdocs.org/sdr/2002UALA01380), Aug 31, 2002: FRAME. CRACKED. FUSELAGE 188 RIGHT HAND FRAME CRACKED IN OB CHORD ANGLE IN RADIUS JUST ABOVE FLOOR LINE. MAJOR REPAIR ACCOMPLISHED. INSTALLED DOUBLER ON CHORD ANGLE. - [SDR 2002UALA01365](https://openairdocs.org/sdr/2002UALA01365), Aug 28, 2002: CLIP. BENT. FUSELAGE NOSE COMP CREASE BEAM CLIP IS BENT. BODY STATION 178 AFT, LBL 25-28, WL 207. MAJOR REPAIR ACCOMPLISHED. CLIP REPLACED. - [SDR 2001UALA00745](https://openairdocs.org/sdr/2001UALA00745), May 16, 2001: SKIN. DENTED. DENT IN FUSELAGE 30 INCHES AFT OF LT REAR ENTRY DOOR. TRIMMED OUT DAMAGE. INSTALLED DOUBLER REPAIR. MAJOR REPAIR ACCOMPLISHED. - [SDR 95UAL900315](https://openairdocs.org/sdr/95UAL900315), Dec 13, 1995: EEL LAMP. FAILED. EXTERIOR EMERGENCY EXIT LIGHT AT DOOR ONE RIGHT INOP. REPLACED LAMP, CHECKS OK. ## STCs that may be installed (OpenAirDocs) None matched to this aircraft's models. ## Related - Other University Of Oklahoma COPTER SONDE 2 aircraft: https://openairdocs.org/model/university-of-oklahoma-copter-sonde-2/aircraft.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.