# N78TD: 1977 Bell 206L, registration cancelled 2008-07-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 18, 2008
- Status when cancelled: Triennial form not returned
- Airframe: [Bell 206L](https://openairdocs.org/model/bell-206l) (registry code 1181522)
- Engine: [Allison 250 SER 400HP](https://openairdocs.org/engine/allison-250-ser-400hp) (registry code 03013)
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW) (OpenAirDocs)
- Serial number: 45090
- Year built: 1977
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, normal
- Airworthiness date: April 20, 1977
- Certificate issued: October 1, 1996
- Last registry action: May 20, 2008
- Mode S code: AA8FDA
- Owner when cancelled: [Helicopter Professionals Inc](https://openairdocs.org/faa-owner/HELICOPTER%20PROFESSIONALS%20INC)
- Location: [New York, NY](https://openairdocs.org/faa-place/NY/New%20York)
- Owner type: Corporation
- Owner's area on the map: 40.6898° N, 74.0174° W: Placed by OpenAirDocs at the center of ZIP code 10004, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N78TD
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=78TD
- Page: https://openairdocs.org/deregistered/N78TD-2008-07-18

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 Bell 206L: https://openairdocs.org/model/bell-206l.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 NYC05FA099](https://openairdocs.org/ntsb/NYC05FA099), Jun 14, 2005: Bell 206L (N78TD), New York, NY, substantial damage. Probable cause: The pilot's inadequate preflight planning, which resulted in an attempted takeoff with an overweight helicopter, and subsequent impact with a pier and water. Factors were a high ambient temperature…

## 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 20050614033659A](https://openairdocs.org/incident/20050614033659A), Jun 14, 2005: Bell 206L (N78TD), New York, NY, Substantial damage. (-23) Helicopter apparently experienced rotor droop due to an over gross weight condition and high density altitude (hot humid day) that caused the aircraft to…

## Other aircraft with N78TD

- [Registered now](https://openairdocs.org/aircraft/N78TD): Cirrus Design SR20, S/N 2345, built 2017

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