# N3960D: 1983 Robison William F TIERRA II, registration cancelled 2013-06-11

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 11, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Robison William F TIERRA II](https://openairdocs.org/model/robison-william-f-tierra-ii) (registry code 056759L)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: 33447
- Year built: 1983
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 16, 1983
- Certificate issued: May 10, 1985
- Last registry action: September 8, 2006
- Mode S code: A49B6F
- Owner when cancelled: [Dacus Milton K Sr](https://openairdocs.org/faa-owner/DACUS%20MILTON%20K%20SR)
- Location: [Smiths, AL](https://openairdocs.org/faa-place/AL/Smiths)
- Owner type: Individual
- Owner's area on the map: 32.5729° N, 85.1020° W: Placed by OpenAirDocs at the center of ZIP code 36877, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N3960D
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3960D
- Page: https://openairdocs.org/deregistered/N3960D-2013-06-11

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 Robison William F TIERRA II: https://openairdocs.org/model/robison-william-f-tierra-ii.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 FTW02LA134](https://openairdocs.org/ntsb/FTW02LA134), May 1, 2002: Robinson Tierra II (N3960D), Hooker, OK, destroyed, 1 fatal. Probable cause: the loss of control for an undetermined reason, which resulted in an in-flight collision with terrain.

## 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 20020430009439A](https://openairdocs.org/incident/20020430009439A), Apr 30, 2002: Amtr TIERRA2 (N3960D), Hooker, OK, Destroyed, 1 fatal. (-23) Roger fischer, the son of the pilot had seen his father around 8:00 to 8:3O the evening of 04/30/02 at his hangar. At around 10:00 his mother asked if…

## Other aircraft with N3960D

- [Cancelled 2023-12-08](https://openairdocs.org/deregistered/N3960D-2023-12-08): Boeing 737-8EH, S/N 39604, built 2012. Exported to Australia. Owner: [Awas 39604 Trust](https://openairdocs.org/faa-owner/AWAS%2039604%20TRUST), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)
- [Cancelled 1960-01-12](https://openairdocs.org/deregistered/N3960D-1960-01-12): Cessna 182A, S/N 34660. Owner: [Barbers Flying Service Inc](https://openairdocs.org/faa-owner/BARBERS%20FLYING%20SERVICE%20INC), [Pontiac, MI](https://openairdocs.org/faa-place/MI/Pontiac)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.