# N44HH: Dee Howard 500, registration cancelled 1977-10-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 4, 1977
- Status when cancelled: Valid registration
- Airframe: [Dee Howard 500](https://openairdocs.org/model/dee-howard-500) (registry code 4390102)
- Data sheets: [TCDS A1SW](https://openairdocs.org/tcds/A1SW) (OpenAirDocs)
- Serial number: 500-115
- Type of aircraft: Fixed wing multi engine
- Certificate issued: August 5, 1977
- Mode S code: A548FB
- Owner when cancelled: [Intercontinental Oil Co Inc](https://openairdocs.org/faa-owner/INTERCONTINENTAL%20OIL%20CO%20INC)
- Location: [Houston, TX](https://openairdocs.org/faa-place/TX/Houston)
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N44HH
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=44HH
- Page: https://openairdocs.org/deregistered/N44HH-1977-10-04

From the FAA registry file of November 5, 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 Dee Howard 500: https://openairdocs.org/model/dee-howard-500.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 FTW77FA068](https://openairdocs.org/ntsb/FTW77FA068), Aug 13, 1977: Howard 500 (N44HH), Pawhuska, OK, destroyed

## Other aircraft with N44HH

- [Registered now](https://openairdocs.org/aircraft/N44HH): Diamond Aircraft Ind DA 40 NG, S/N 40.NC001, built 2017
- [Cancelled 1993-06-16](https://openairdocs.org/deregistered/N44HH-1993-06-16): Piper PA-23, S/N 23458. Triennial form not returned. Owner: [Scioscia Joseph R](https://openairdocs.org/faa-owner/SCIOSCIA%20JOSEPH%20R), [Brooklyn, NY](https://openairdocs.org/faa-place/NY/Brooklyn)

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