# N206BY: 1979 Bell 206B-III, registration cancelled 2018-10-23 - Type: Cancelled registration (FAA registry, deregistered aircraft) - Cancelled: October 23, 2018 - Status when cancelled: Registration expired, pending cancellation - Airframe: [Bell 206B-III](https://openairdocs.org/model/bell-206b-iii) (registry code 1181506) - Engine: [Allison 250-C20 series](https://openairdocs.org/engine/allison-250-c20-series) (registry code 03020) - Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW), [TCDS E4CE](https://openairdocs.org/tcds/E4CE) (OpenAirDocs) - Serial number: 2871 - Year built: 1979 - Type of aircraft: Rotorcraft - Engine type: Turbo-prop - Airworthiness: Restricted, agriculture and pest control, aerial surveying - Airworthiness date: September 29, 1988 - Certificate issued: May 1, 2012 - Last registry action: April 23, 2015 - Mode S code: A1A87D - Owner when cancelled: [Upper Limit Aviation Inc](https://openairdocs.org/faa-owner/UPPER%20LIMIT%20AVIATION%20INC) - Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City) - Owner type: Corporation - Owner's area on the map: 40.8659° N, 112.0391° W: Placed by OpenAirDocs at the center of ZIP code 84116, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based - The mark today: https://openairdocs.org/aircraft/N206BY - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=206BY - Page: https://openairdocs.org/deregistered/N206BY-2018-10-23 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 206B-III: https://openairdocs.org/model/bell-206b-iii.md ## Service difficulty reports (32) Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR LS1R076726](https://openairdocs.org/sdr/LS1R076726), Oct 22, 2001: PUMP. MALFUNCTIONED. BOOST PUMP PRODUCING LOW PRESSURE AND LOUD NOISE. - [SDR LS1R076723](https://openairdocs.org/sdr/LS1R076723), Oct 22, 2001: INDICATOR. INOPERATIVE. ATTITUDE INDICATOR NEEDLE WILL NOT MOVE. - [SDR LS1R072739](https://openairdocs.org/sdr/LS1R072739), Apr 25, 2001: BEARING. LOOSE. PART HAS LOOSE BEARINGS. - [SDR LS1R071905](https://openairdocs.org/sdr/LS1R071905), Apr 4, 2001: COOLER. CONTAMINATED. PART HAS TRANSMISSION CHIPS. - [SDR LS1R066431](https://openairdocs.org/sdr/LS1R066431), Feb 24, 2000: BATTERY. EXPIRED. BATTERY IS EXPIRED. - [SDR AGQA065559](https://openairdocs.org/sdr/AGQA065559), Jan 7, 2000: RADIO. INOPERATIVE. FREQUENCY WILL NOT CHANGE IN RADIO. - [SDR 99ZZZX3898](https://openairdocs.org/sdr/99ZZZX3898), Sep 15, 1999: HOUSING. LOOSE. DURING REPLACEMENT OF NI-CAD FILTER (FACET) AT REMOVAL FROM HOUSING AND BYPASS VALVE ASSY, THE BYPASS VALVE ASSY WAS FOUND UNSECURED FROM THE HOUSING. REMOVED A - [SDR 99ZZZX3899](https://openairdocs.org/sdr/99ZZZX3899), Sep 7, 1999: PUMP. FAILED. ENGINE FUEL PRESSURE NOTICED TO BE LOW. NOTICED ISOLATED FORWARD PUMP TO BE OFF-LINE. VERIFIED CURRENT TO PUMP WITH NO FLUID OUTPUT. REMOVED AND REPLACED. - [SDR 99ZZZX3544](https://openairdocs.org/sdr/99ZZZX3544), Aug 31, 1999: GENERATOR. FAILED. GENERATOR COMES OFF-LINE WHEN UNDER LOAD. REMOVED AND REPLACED. - [SDR 99ZZZX3543](https://openairdocs.org/sdr/99ZZZX3543), Aug 31, 1999: BLEED VALVE. MALFUNCTIONED. ENGINE HAD LOW POWER. DETERMINED THE BLEED VALVE WAS NOT CLOSING. REMOVED AND REPLACED. - [SDR 99ZZZX3561](https://openairdocs.org/sdr/99ZZZX3561), Aug 24, 1999: VOLT REGULATOR. INTERMITTENT. VOLTAGE REGULATOR INTERMITTENT. REMOVED AND REPLACED. - [SDR 99ZZZX2765](https://openairdocs.org/sdr/99ZZZX2765), Jun 25, 1999: SERVO. MALFUNCTIONED. FELT STIFFNESS IN MID-TRAVEL OF CYCLIC IN FORWARD/AFT SERVO. REMOVED AND REPLACED. SENT FOR TEAR-DOWN ANALYSIS TO FASCO. ANALYSIS REVEALED SIDE LOADING OF SERVO - [SDR 99ZZZX2604](https://openairdocs.org/sdr/99ZZZX2604), Jun 25, 1999: COMMUTATOR. WORN. COMMUTATOR ON ARMATURE GROUND BEYOND LIMITS. REMOVED AND REPLACED. - [SDR 99ZZZX2247](https://openairdocs.org/sdr/99ZZZX2247), Apr 29, 1999: INDICATOR. MALFUNCTIONED. TOT GAUGE HANGS. REMOVED AND REPLACED. - [SDR 99ZZZX2246](https://openairdocs.org/sdr/99ZZZX2246), Apr 29, 1999: CAP. BROKEN. TAB BROKEN THAT LOCKS CAPS IN PLACE. - [SDR 99ZZZX2146](https://openairdocs.org/sdr/99ZZZX2146), Apr 26, 1999: GYRO. FAILED. DIRECTIONAL GYRO WILL NOT UNCAGE/UNFLAG. REMOVED AND REPLACED. - [SDR 99ZZZX1724](https://openairdocs.org/sdr/99ZZZX1724), Mar 22, 1999: BATTERY. DISCHARGED. BATTERY DEAD. REMOVED AND REPLACED. - [SDR 99ZZZX1541](https://openairdocs.org/sdr/99ZZZX1541), Mar 22, 1999: GAUGE. LOOSE. GAUGE FACE SEPARATED FROM MOUNTING BASE AND GLASS. REMOVED AND REPLACED. - [SDR 99ZZZX1540](https://openairdocs.org/sdr/99ZZZX1540), Mar 22, 1999: TRANSCEIVER. MALFUNCTIONED. TRANSCEIVER SQUELCH SENSING NEEDS ADJUSTING (SET TOO LOW). REMOVED AND REPLACED. - [SDR 99ZZZX1348](https://openairdocs.org/sdr/99ZZZX1348), Feb 15, 1999: TRANSCEIVER. MALFUNCTIONED. WILL NOT HOLD STATION AND SHUTS OFF INTERMITTENTLY. SENT FOR REPAIR. - [SDR 99ZZZX1347](https://openairdocs.org/sdr/99ZZZX1347), Feb 15, 1999: SERVO. LEAKING. LEAKS AT PILOT VALVE. REMOVED AND REPLACED. - [SDR 99ZZZX1346](https://openairdocs.org/sdr/99ZZZX1346), Feb 15, 1999: TRANSCEIVER. MALFUNCTIONED. RADIO WILL NOT TRANSMIT AND WAS VERY WARM UPON REMOVAL. REMOVED AND REPLACED. - [SDR 99ZZZX244](https://openairdocs.org/sdr/99ZZZX244), Dec 22, 1998: STARTER. MALFUNCTIONED. ENGINE STARTER SEALS FAILED PREMATURELY. REMOVED AND REPLACED. - [SDR 98ZZZX4434](https://openairdocs.org/sdr/98ZZZX4434), Oct 26, 1998: ACTUATOR. MALFUNCTIONED. LINEAR ACTUATOR EXTENDS EXCESSIVELY (LOW SIDE OF BEEP). WORN GEAR MAY BE DISCONNECTED. SENT FOR REPAIR. - [SDR 98ZZZX3655](https://openairdocs.org/sdr/98ZZZX3655), Sep 13, 1998: HARNESS. DAMAGED. NO TOT READING. SENT FOR REPAIR. - [SDR 98ZZZX2590](https://openairdocs.org/sdr/98ZZZX2590), Jun 23, 1998: ACTUATOR. FAILED. ACTUATOR INOPERATIVE, WILL NOT RESPOND. REMOVED AND SENT FOR REPAIR EVALUATION. - [SDR 98ZZZX1680](https://openairdocs.org/sdr/98ZZZX1680), Apr 21, 1998: PUMP CARTRIDGE. FAILED. FORWARD BOOST PUMP INOPERABLE. REMOVED AND REPLACED BOOST PUMP. AIRCRAFT RETURNED TO SERVICE. CONTROL NR 98-4-10. - [SDR 98ZZZX864](https://openairdocs.org/sdr/98ZZZX864), Feb 17, 1998: TRANSCEIVER. DEFECTIVE. TRANSCEIVER FREQUENCY KNOB WILL NOT WORK. STANDBY SELECT SWITCH WILL NOT WORK. - [SDR 98ZZZX865](https://openairdocs.org/sdr/98ZZZX865), Feb 12, 1998: LINEAR ACTUATOR. FAILED. LINEAR ACTUATOR MOTOR WILL NOT RUN. - [SDR 98ZZZX507](https://openairdocs.org/sdr/98ZZZX507), Jan 19, 1998: INDICATOR. MALFUNCTIONED. TORQUE INDICATOR GIVES HIGHER TORQUE THAN TESTED. - [SDR 98ZZZX467](https://openairdocs.org/sdr/98ZZZX467), Jan 6, 1998: INDICATOR. FAILED. HORIZON REFERENCE INDICATOR INOPERABLE. WILL NOT HOLD ATTITUDE. - [SDR 97ZZZX5077](https://openairdocs.org/sdr/97ZZZX5077), Nov 18, 1997: INDICATOR. FAILED. HORIZON REFERENCE INDICATOR WILL NOT CAGE. ## 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 WPR11LA151](https://openairdocs.org/ntsb/WPR11LA151), Mar 1, 2011: Bell 206B-III (N206BY), Tooele, UT, substantial damage. Probable cause: The pilot did not maintain yaw control of the helicopter during a maneuvering hover. Contributing to the accident was the pilot’s lack of experience in the make and model helicopter. ## 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 20110301003649A](https://openairdocs.org/incident/20110301003649A), Mar 1, 2011: Bell 206B-III (N206BY), Erda, UT, Substantial damage. One pilot was practicing maneuvering the helicopter in order to place a specific long-line practice load of about 50 pounds over a specific location at the… - [Incident 19870819049539I](https://openairdocs.org/incident/19870819049539I), Aug 19, 1987: Bell 206B (N206BY), Bowling Green, VA, Minor damage. Rotor blade struck an antenna mount on a post during landing, following spray operations. --- 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.