# N788G: Burkhart Grob G-103A TWIN II ACRO, registration cancelled 1991-04-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 18, 1991
- Status when cancelled: Triennial form not returned
- Airframe: [Burkhart Grob G-103A TWIN II ACRO](https://openairdocs.org/model/burkhart-grob-g-103a-twin-ii-acro) (registry code 1660206)
- Data sheets: [TCDS G39EU](https://openairdocs.org/tcds/G39EU) (OpenAirDocs)
- Serial number: 33988K221
- Type of aircraft: Glider
- Certificate issued: September 5, 1985
- Last registry action: January 31, 1991
- Mode S code: AAAED4
- Owner when cancelled: [Twin Acro Associates](https://openairdocs.org/faa-owner/TWIN%20ACRO%20ASSOCIATES)
- Location: [Boulder, CO](https://openairdocs.org/faa-place/CO/Boulder)
- Owner type: Partnership
- Owner's area on the map: 40.0457° N, 105.2009° W: Placed by OpenAirDocs at the center of ZIP code 80301, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N788G
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=788G
- Page: https://openairdocs.org/deregistered/N788G-1991-04-18

From the FAA registry file of November 7, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Burkhart Grob G-103A TWIN II ACRO: https://openairdocs.org/model/burkhart-grob-g-103a-twin-ii-acro.md

## 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 DEN88FA089](https://openairdocs.org/ntsb/DEN88FA089), Apr 2, 1988: Burkhart Grob G103A (N788G), Boulder, CO, destroyed, 2 fatal

## 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 19880402007389A](https://openairdocs.org/incident/19880402007389A), Apr 2, 1988: Grob G103TWNASTIR (N788G), Boulder, CO, Destroyed, 2 fatal. Aircraft in right bank when it clipped top of small tree in mountainous terrain. Crashed in a canyon.

## Other aircraft with N788G

- [Registered now](https://openairdocs.org/aircraft/N788G): Robinson Helicopter R44 II, S/N 12536, built 2008

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