# N66D: 1981 Spencer PITTS SPECIAL S-1, registration cancelled 2011-04-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 16, 2011
- Status when cancelled: Registration expired
- Airframe: [Spencer PITTS SPECIAL S-1](https://openairdocs.org/model/spencer-pitts-special-s-1) (registry code 72202MH)
- Engine: [Lycoming AEIO-360 series](https://openairdocs.org/engine/lycoming-aeio-360-series) (registry code 41522)
- Data sheets: [TCDS 1E10](https://openairdocs.org/tcds/1E10) (OpenAirDocs)
- Serial number: 248H
- Year built: 1981
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 13, 1985
- Certificate issued: March 10, 1981
- Last registry action: May 12, 1984
- Mode S code: A8B22B
- Owner when cancelled: [Krebaum Kenneth G](https://openairdocs.org/faa-owner/KREBAUM%20KENNETH%20G)
- Location: [Richardson, TX](https://openairdocs.org/faa-place/TX/Richardson)
- Owner type: Individual
- Owner's area on the map: 32.9496° N, 96.7074° W: Placed by OpenAirDocs at the center of ZIP code 75081, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N66D
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=66D
- Page: https://openairdocs.org/deregistered/N66D-2011-04-16

From the FAA registry file of October 29, 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 Spencer PITTS SPECIAL S-1: https://openairdocs.org/model/spencer-pitts-special-s-1.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 FTW86FA049](https://openairdocs.org/ntsb/FTW86FA049), Mar 28, 1986: Spencer Pitts S-1 (N66D), Mckinney, TX, substantial damage

## 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 19860328008112A](https://openairdocs.org/incident/19860328008112A), Mar 28, 1986: Child S1SPITTS (N66D), Mckinney, TX, Substantial damage. The aircraft struck N4431B during final approach. N4431B took off in front of this plane and pilot did not see it.

## Other aircraft with N66D

- [Registered now](https://openairdocs.org/aircraft/N66D): Cessna 510, S/N 5100454, built 2014

---
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.