# N29HS: 1996 AS+ AC 4

- Status: Valid registration
- Airframe: [AS+ AC 4](https://openairdocs.org/model/as-plus-ac-4) (registry code 05628R1, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 022
- Year built: 1996
- Type: Glider
- Engine type: None
- Airworthiness: Experimental, racing
- Airworthiness date: May 28, 1998
- Certificate issued: June 21, 2000
- Expires: October 31, 2027
- Mode S code: A2F3E1
- Registered owners: [Cocatre-Zilgien Jan H](https://openairdocs.org/faa-owner/COCATRE-ZILGIEN%20JAN%20H), [Harum Susan L](https://openairdocs.org/faa-owner/HARUM%20SUSAN%20L)
- Location: [Urbana, IL](https://openairdocs.org/faa-place/IL/Urbana)
- Owner type: Co-owned
- Owner's area on the map: 40.1095° N, 88.2110° W: Placed by OpenAirDocs at the center of ZIP code 61801, 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=29HS
- Page: https://openairdocs.org/aircraft/N29HS

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 (AS+ AC 4)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## 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 CHI96LA165](https://openairdocs.org/ntsb/CHI96LA165), May 18, 1996: AS+ AC 4 (N29HS), Hartford, WI, substantial damage. Probable cause: lack of airspeed control by the pilot, while maneuvering.

## 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 19960518010759A](https://openairdocs.org/incident/19960518010759A), May 18, 1996: N29HS, Hartford, WI, Substantial damage. On test flight, glider started to spin, no controls, inverted, pilot bailed out, crashed short of airport. (-23) on may 18, 1996, at 1500 CST, an as+ ltd AC-4,…

## 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)

None matched to this aircraft's models.

## Related

- Other AS+ AC 4 aircraft: https://openairdocs.org/model/as-plus-ac-4/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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