# Accident 19930704025159A: Amtrbs CONCEPT70, Boynton Beach, FL, July 4, 1993

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 4, 1993, 13:30 local time
- Place: Boynton Beach, FL
- Airport: Willis Gliderport
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 26.5090° N, 80.1503° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=26.5090&lon=-80.1503&mi=10
- Aircraft: N29BW, a cancelled registration (https://openairdocs.org/deregistered/N29BW-1996-03-28) (OpenAirDocs)
- Registry model: Berkshire Mfg. CONCEPT 70 (registry code 1240104, https://openairdocs.org/model/berkshire-mfg-concept-70) (OpenAirDocs)
- Reported make and model: AMTRBS CONCEPT70
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 987 total, 6 in this make and model, 38 in the last 90 days
- NTSB investigation: [NTSB MIA93LA150](https://openairdocs.org/ntsb/MIA93LA150) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19930704025159A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

HIGH SINK RATE AND NO THERMALS AFTER GLIDER TOW. UNABLE RETURN TO BASE. LANDED ON A DIKE AND GROUND LOOPED.

## The NTSB's investigation of this event (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 MIA93LA150](https://openairdocs.org/ntsb/MIA93LA150), Jul 4, 1993: Berkshire Concept 70 (N29BW), Boynton Beach, FL, substantial damage. Probable cause: THE PILOT'S IMPROPER IN-FLIGHT PLANNING AND THE LACK OF ADEQUATE THERMAL LIFT.

## Other reports on N29BW (1)

Matched to the same aircraft by N-number and date.

- [Accident 19960220002219A](https://openairdocs.org/incident/19960220002219A), Feb 20, 1996: Amtr CONCEPT70 (N29BW), West Palm Beach, FL, Destroyed. Aircraft had inflight fire and pilot bailed out with a parachute, crashed in a remote area. (.4)the pilot stated that during cruise the engine began to lose…

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. For accidents, the NTSB's own investigation is the fuller record.

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