# N129SG: Selecttech Geospatial EH-4

- Status: Valid registration
- Airframe: [Selecttech Geospatial EH-4](https://openairdocs.org/model/selecttech-geospatial-eh-4) (registry code 06101EQ)
- Serial number: 0050
- Type: Rotorcraft
- Engine type: Electric
- Certificate issued: October 14, 2015
- Expires: October 31, 2028
- Mode S code: A076B8
- Registered owner: [Selecttech Geospatial LLC](https://openairdocs.org/faa-owner/SELECTTECH%20GEOSPATIAL%20LLC)
- Location: [Springfield, OH](https://openairdocs.org/faa-place/OH/Springfield)
- Owner type: LLC
- Owner's area on the map: 40.0012° N, 83.9000° W: Placed by OpenAirDocs at the center of ZIP code 45502, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=129SG
- Page: https://openairdocs.org/aircraft/N129SG

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 (Selecttech Geospatial EH-4)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N129SG.

## NTSB investigations on N129SG 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 ERA11LA345](https://openairdocs.org/ntsb/ERA11LA345), Jun 15, 2011: Cessna 525A (N129SG), Nashville, TN, substantial damage. Probable cause: The pilot-in-command's failure to execute a go-around when the airplane was high and fast on the final approach.

## FAA accident and incident reports

None matched to N129SG.

## Reports on N129SG not matched to an aircraft (1)

They name N129SG, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Accident 20110615011269A](https://openairdocs.org/incident/20110615011269A), Jun 15, 2011: Cessna 525A (N129SG), Nashville, TN, Substantial damage. On final approach 5 miles out for runway 20, the airspeed of the aircraft was 200 KTS and the aircraft was above glide path. The person in the right seat, who…

## 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 N129SG not matched to an aircraft (1)

They name N129SG, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR D942006F00000](https://openairdocs.org/sdr/D942006F00000), Feb 24, 2006: SQUAT SWITCH. FAILED. CABIN WILL NOT PRESSURIZE IN FLIGHT. FOUND RT MAIN LANDING GEAR SQUAT SWITCH MALFUNCTION. NOTE: INFLIGHT, IN THE MALFUNCTION CONFIGURATION, THE CABIN ALTITUDE P

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Selecttech Geospatial EH-4 aircraft: https://openairdocs.org/model/selecttech-geospatial-eh-4/aircraft.md

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