# N4028F: Bell / Colony Services UH-1B, registration cancelled 1995-10-03

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 3, 1995
- Status when cancelled: Triennial form not returned
- Airframe: [Bell / Colony Services UH-1B](https://openairdocs.org/model/bell-colony-services-uh-1b) (registry code 118141D)
- Serial number: 621948HC
- Type of aircraft: Rotorcraft
- Certificate issued: March 17, 1992
- Last registry action: August 16, 1995
- Mode S code: A4B785
- Owner when cancelled: [Helicorp Inc](https://openairdocs.org/faa-owner/HELICORP%20INC)
- Location: [Labelle, FL](https://openairdocs.org/faa-place/FL/Labelle)
- Owner type: Corporation
- Owner's area on the map: 26.7570° N, 81.4175° W: Placed by OpenAirDocs at the center of ZIP code 33935, within about 11 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4028F
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4028F
- Page: https://openairdocs.org/deregistered/N4028F-1995-10-03

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 Bell / Colony Services UH-1B: https://openairdocs.org/model/bell-colony-services-uh-1b.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 MIA92LA111](https://openairdocs.org/ntsb/MIA92LA111), Apr 22, 1992: Bell UH-1B (N4028F), La Belle, FL, substantial damage. Probable cause: IMPROPER PREFLIGHT BY THE PILOT-IN-COMMAND, IN HIS FAILURE TO IDENTIFY A CRACK IN A BRAZED AREA SURROUNDING AN ATTACH POINT ON THE AIR DIFFUSER. CONTRIBUTING TO THE ACCIDENT FOLLOWING THE LOSS OF…

## 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 19920422015369A](https://openairdocs.org/incident/19920422015369A), Apr 22, 1992: Bell UH1B (N4028F), La Belle, FL, Substantial damage. Loud bang on takeoff and power loss, hard landing clearing wires. Tumbled. Air diffuser and turbine blade failed.

## Other aircraft with N4028F

- [Registered now](https://openairdocs.org/aircraft/N4028F): Spirit Engineering SE-1, S/N 024
- [Cancelled 1990-10-15](https://openairdocs.org/deregistered/N4028F-1990-10-15): Cessna 172, S/N 36928. Exported to Philippines

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