# N929DB: Bock David C CHLNGR II CLP WG SP, registration cancelled 1999-06-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 18, 1999
- Status when cancelled: Valid registration
- Airframe: [Bock David C CHLNGR II CLP WG SP](https://openairdocs.org/model/bock-david-c-chlngr-ii-clp-wg-sp) (registry code 05606TK)
- Serial number: CH20496CW1479
- Type of aircraft: Fixed wing single engine
- Certificate issued: October 28, 1998
- Last registry action: October 29, 1998
- Mode S code: ACDFE6
- Owner when cancelled: [Bock David C](https://openairdocs.org/faa-owner/BOCK%20DAVID%20C)
- Location: [Winter Park, FL](https://openairdocs.org/faa-place/FL/Winter%20Park)
- Owner type: Individual
- Owner's area on the map: 28.5990° N, 81.3523° W: Placed by OpenAirDocs at the center of ZIP code 32789, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N929DB
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=929DB
- Page: https://openairdocs.org/deregistered/N929DB-1999-06-18

From the FAA registry file of October 31, 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 Bock David C CHLNGR II CLP WG SP: https://openairdocs.org/model/bock-david-c-chlngr-ii-clp-wg-sp.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 MIA99LA119](https://openairdocs.org/ntsb/MIA99LA119), Apr 7, 1999: David C. Bock Challenger II (N929DB), Astatula, FL, substantial damage. Probable cause: The aircraft structure fluttering inflight resulting in fracture of fuselage longerons and the pilot being unable to maintain control.

## Other aircraft with N929DB

- [Registered now](https://openairdocs.org/aircraft/N929DB): Robinson Helicopter R44 II, S/N 13603
- [Cancelled 1995-03-23](https://openairdocs.org/deregistered/N929DB-1995-03-23): Cessna 421B, S/N 421B0864. Triennial form not returned. Owner: [Brenneman Dana L](https://openairdocs.org/faa-owner/BRENNEMAN%20DANA%20L), [San Jose, CA](https://openairdocs.org/faa-place/CA/San%20Jose)

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