# N400SL: 1979 Bell Helicopter Textron 206L-1, registration cancelled 2006-02-07

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 7, 2006
- Status when cancelled: Triennial form not returned
- Airframe: [Bell Helicopter Textron 206L-1](https://openairdocs.org/model/bell-helicopter-textron-206l-1) (registry code 1182107)
- Engine: [Allison 250-C28 series](https://openairdocs.org/engine/allison-250-c28-series) (registry code 03022)
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW), [TCDS E1GL](https://openairdocs.org/tcds/E1GL) (OpenAirDocs)
- Serial number: 45235
- Year built: 1979
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Multiple
- Airworthiness date: March 27, 1984
- Certificate issued: May 2, 1992
- Last registry action: December 20, 2005
- Mode S code: A4AE3C
- Owner when cancelled: [Omniflight Helicopters Inc](https://openairdocs.org/faa-owner/OMNIFLIGHT%20HELICOPTERS%20INC)
- Location: [Addison, TX](https://openairdocs.org/faa-place/TX/Addison)
- Owner type: Corporation
- Owner's area on the map: 32.9600° N, 96.8372° W: Placed by OpenAirDocs at the center of ZIP code 75001, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N400SL
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=400SL
- Page: https://openairdocs.org/deregistered/N400SL-2006-02-07

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 Helicopter Textron 206L-1: https://openairdocs.org/model/bell-helicopter-textron-206l-1.md

## Service difficulty reports (8)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 98ZZZX1777](https://openairdocs.org/sdr/98ZZZX1777), Apr 9, 1998: FIRESHIELD. CRACKED. VERTICAL FIRE SHIELD CRACKED. WELD REPAIR MARKED AREA. REMOVED AND REPLACED.
- [SDR 97ZZZX1394](https://openairdocs.org/sdr/97ZZZX1394), Dec 11, 1996: BATTERY. FAILED. SUBMITTER STATED THERE IS POSSIBILITY THAT BATTERY IS LEAKING. WILL NOT HOLD CHARGE.
- [SDR 95ZZZX6945](https://openairdocs.org/sdr/95ZZZX6945), Oct 18, 1995: FLASH TUBE. FAILED. STROBE LIGHT INOP. IT WAS A NEW UNIT LESS THAN 2 YEARS OLD PLUS 35.8 HOURS.
- [SDR 95ZZZX6509](https://openairdocs.org/sdr/95ZZZX6509), Sep 7, 1995: FLASH TUBE. INOPERATIVE. INOPERATIVE FLASH TUBE. REMOVED AND REPLACED.
- [SDR 95ZZZX5093](https://openairdocs.org/sdr/95ZZZX5093), Jul 29, 1995: GYRO. DEFECTIVE. INSTRUMENT PUTS OUT ERRATIC PUFFING NOISES. FLAG NEVER RETRACTS. SUSPECT IMPROPER BENCH CHECK TECHNICALS.
- [SDR 95ZZZX5092](https://openairdocs.org/sdr/95ZZZX5092), Jul 19, 1995: INDICATOR. FAILED. TOT INDICATOR FAILS TO INDICATE TEMPERATURE.
- [SDR 95ZZZX5094](https://openairdocs.org/sdr/95ZZZX5094), Jul 12, 1995: FLASH TUBE. INOPERATIVE. INOPERATIVE FLASH TUBE. REMOVED AND REPLACED.
- [SDR 95ZZZX4222](https://openairdocs.org/sdr/95ZZZX4222), May 28, 1995: AUDIO PANEL. FAILED. AUDIO PANEL WILL NOT TRANSMIT AND HAS NO TONE.

## 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 CHI02FA288](https://openairdocs.org/ntsb/CHI02FA288), Sep 10, 2002: Bell 206L-1 (N400SL), Doland, SD, destroyed, 4 fatal. Probable cause: Pilot spatial disorientation while flying in dark night conditions, resulting in a loss of aircraft control; and the company's inadequate remedial actions after identifying the pilot's night flying…

## FAA accident and incident reports (2)

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 20020909025909A](https://openairdocs.org/incident/20020909025909A), Sep 9, 2002: Bell 206L1 (N400SL), Doland, SD, Destroyed, 4 fatal. (-23) On September 10, 2002, at approximately 9:52 pm CDT, a Bell helicopter m/n BHT-206-L1, s/n 45235, N400SL, operated by omniflight helicopters inc., 135…
- [Incident 19960613018699I](https://openairdocs.org/incident/19960613018699I), Jun 13, 1996: Bell 206L1 (N400SL), Madison, SD. Narrative: engine replaced on site due to excessive metal particles found on chip detector, engine high temp and engine oil temperature high readings.…

## Other aircraft with N400SL

- [Registered now](https://openairdocs.org/aircraft/N400SL): Beech 200, S/N BB-697, built 1980

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