# Bell 47G-4 - Type: Aircraft model (FAA registry) - Registry code: 1181030 - Manufacturer (registry): BELL - Model: 47G-4 - Aircraft type: Rotorcraft - Category: Rotorcraft - Engines: 1 · Reciprocating - Seats: 3 - Weight class: Up to 12,499 lb - Cruise speed: 78 mph - Certification: Type certificated - Data sheet: [TCDS 2H3](https://openairdocs.org/tcds/2H3) (OpenAirDocs) - Holder: Scott's-Bell 47 Inc - Registered aircraft: 13 - Page: https://openairdocs.org/model/bell-47g-4 Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023 - [AD 2009-12-01](https://openairdocs.org/ad/2009-12-01): Main rotor blade box beam clip (clip) · Scotts-Bell 47 47, 47B, 47B3 and 21 more. Effective Jun 29, 2009 - [AD 2005-21-04](https://openairdocs.org/ad/2005-21-04): Weld assembly scissors bracket · Revise mast controls and remove stabilizer bar and install… (Scott's-Bell 47 STC SH2772SW). Effective Nov 21, 2005 - [AD 2001-17-17](https://openairdocs.org/ad/2001-17-17): Main Rotor Blade Grip Threads · Scotts-Bell 47 47B, 47B3, 47D and 19 more. Effective Oct 3, 2001 - [AD 98-07-09](https://openairdocs.org/ad/98-07-09): Stabilizer Bar Damper Link Assembly · Scotts-Bell 47 47B, 47B3, 47D and 19 more. Effective May 6, 1998 - [AD 96-06-12](https://openairdocs.org/ad/96-06-12): Inspect Tail Rotor Blade & Abrasion Strip · Scotts-Bell 47 47B, 47B3, 47D and 19 more. Effective May 29, 1996 - [AD 91-20-10](https://openairdocs.org/ad/91-20-10): Main Rotor Grip · Scotts-Bell 47 47G-2, 47G-2A, 47G-2A-1 and 11 more. Effective Nov 14, 1991 - [AD 85-08-03](https://openairdocs.org/ad/85-08-03): Tail Rotor Blade Assemblies · Scotts-Bell 47 47, 47B, 47B3 and 21 more. Effective Apr 29, 1985 - [AD 85-02-06](https://openairdocs.org/ad/85-02-06): AN/NAS Standard Bolts · Scotts-Bell 47 47G-2A, 47G-2A-1, 47G-3 and 12 more. Effective Feb 6, 1985 - [AD 81-17-01](https://openairdocs.org/ad/81-17-01): Starting Vibrator Assemblies · Bendix Starting Vibrator Assemblies, B-2, B-2A and 49 more. Effective Aug 13, 1981 - [AD 80-10-04 R1](https://openairdocs.org/ad/80-10-04-R1): Tail Rotor Blades · Continental Copters OH-13H, OH-13E, OH-13E and 26 more. Effective Feb 28, 1981 - [AD 81-04-03](https://openairdocs.org/ad/81-04-03): Tail Rotor Drive Assembly · Continental Copters OH-13H, OH-13E, OH-13E and 26 more. Effective Feb 2, 1981 - [AD 80-21-09 R1](https://openairdocs.org/ad/80-21-09-R1): Tail Rotor Pitch Link · Continental Copters OH-13H, OH-13E, OH-13E and 26 more. Effective Nov 24, 1980 - [AD 80-23-02](https://openairdocs.org/ad/80-23-02): Turbine Power Conversions · Allison 250-C20/250-C20B engine (Siam Hiller Holdings STC SH177WE or 2 others). Effective Nov 20, 1980 - [AD 79-23-07](https://openairdocs.org/ad/79-23-07): Soloy Conversion per STC SH657NW · Allison 250-C18A, -C18C, -C20, -C20B engine (Siam Hiller Holdings STC SH657NW). Effective Nov 26, 1979 - [AD 78-03-01](https://openairdocs.org/ad/78-03-01): Hopper Support Bracket (STC SH357SW) · Scotts-Bell 47 47, 47B, 47B3 and 21 more. Effective Mar 6, 1978 - [AD 77-21-01](https://openairdocs.org/ad/77-21-01): Tail Rotor Gear Boxes · Scotts-Bell 47 47, 47B, 47B3 and 21 more. Effective Nov 14, 1977 - [AD 70-10-08](https://openairdocs.org/ad/70-10-08): Tail Rotor Grips · Scotts-Bell 47 47, 47B, 47B3 and 21 more. Effective Jul 20, 1976 - [AD 74-08-02](https://openairdocs.org/ad/74-08-02): Mast Control Stabilizer Bar Assembly · Scotts-Bell 47 47, 47B, 47B3 and 21 more. Effective Jun 14, 1974 - [AD 74-07-01](https://openairdocs.org/ad/74-07-01): Main Rotor Control Tube Assembly · Scotts-Bell 47 47, 47B, 47B3 and 21 more. Effective May 30, 1974 - [AD 73-19-04](https://openairdocs.org/ad/73-19-04): Main Rotor Blade Grip · Scotts-Bell 47 47, 47B, 47B3 and 21 more. Effective Oct 10, 1973 - [AD 72-02-05](https://openairdocs.org/ad/72-02-05): Control Rod Assembly · Scotts-Bell 47 47G, 47G-2, 47G-2A and 11 more. Effective Feb 22, 1972 - [AD 70-08-02](https://openairdocs.org/ad/70-08-02): Tail Rotor Drive Shaft · Scotts-Bell 47 47, 47B, 47B3 and 21 more. Effective Jan 1, 1971 - [AD 67-26-04](https://openairdocs.org/ad/67-26-04): Altimeters · Bell Helicopter Textron Canada 206A, 150G, 172H (USAF T-41A) and 36 more - [AD 65-04-01](https://openairdocs.org/ad/65-04-01): Freewheeling Clutch · Scotts-Bell 47 47, 47B, 47B3 and 21 more. Effective Feb 17, 1965 - [AD 62-27-02](https://openairdocs.org/ad/62-27-02): Wood Tail Rotor Blades · Scotts-Bell 47 47, 47B, 47B3 and 21 more. Effective Jan 29, 1963 - [AD 62-23-02](https://openairdocs.org/ad/62-23-02): Main Rotor Mast Thrust Bearing · Scotts-Bell 47 47, 47B, 47B3 and 21 more. Effective Oct 29, 1962 - [AD 61-22-01](https://openairdocs.org/ad/61-22-01): Pitch Link Rod End Bearing · Scotts-Bell 47 47, 47B, 47B3 and 21 more. Effective Nov 7, 1961 - [AD 59-05-01](https://openairdocs.org/ad/59-05-01): Tail Rotor Blade Inspection · Scotts-Bell 47 47, 47B, 47B3 and 21 more - [AD 58-26-02](https://openairdocs.org/ad/58-26-02): M-S MA4-5AA Carburetor · Scotts-Bell 47 47, 47B, 47B3 and 21 more - [AD 57-08-01](https://openairdocs.org/ad/57-08-01): Tail Rotor Drive Shafts · Scotts-Bell 47 47, 47B, 47B3 and 21 more - [AD 57-07-02](https://openairdocs.org/ad/57-07-02): Rotor Hub Equalizer Link · Scotts-Bell 47 47, 47B, 47B3 and 21 more - [AD 56-25-02](https://openairdocs.org/ad/56-25-02): Tail Rotor Pitch Bearings · Scotts-Bell 47 47, 47B, 47B3 and 21 more - [AD 56-15-02](https://openairdocs.org/ad/56-15-02): Swashplate Control Ring · Scotts-Bell 47 47, 47B, 47B3 and 21 more - [AD 56-05-01](https://openairdocs.org/ad/56-05-01): Tail Rotor Drive Shafts · Scotts-Bell 47 47, 47B, 47B3 and 21 more - [AD 55-16-01](https://openairdocs.org/ad/55-16-01): Tail Rotor Hub Fillet · Scotts-Bell 47 47, 47B, 47B3 and 21 more - [AD 52-28-03](https://openairdocs.org/ad/52-28-03): Tail Rotor Gearbox Shaft · Scotts-Bell 47 47, 47B, 47B3 and 21 more - [AD 52-21-01](https://openairdocs.org/ad/52-21-01): Lord Mount Guards · Scotts-Bell 47 47, 47B, 47B3 and 21 more - [AD 52-05-03](https://openairdocs.org/ad/52-05-03): Engine Mount Safety Strap · Scotts-Bell 47 47, 47B, 47B3 and 21 more - [AD 52-01-06](https://openairdocs.org/ad/52-01-06): Tail Boom Spoiler · Scotts-Bell 47 47, 47B, 47B3 and 21 more - [AD 51-27-01](https://openairdocs.org/ad/51-27-01): Engine Mount Replacement · Scotts-Bell 47 47, 47B, 47B3 and 21 more - [AD 48-13-02](https://openairdocs.org/ad/48-13-02): Fuel Pump Rocker Pin · Scotts-Bell 47 47, 47B, 47B3 and 21 more Historical (superseded or no longer in force): - [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021 - [AD 2000-18-51](https://openairdocs.org/ad/2000-18-51) (historical): Main Rotor Blade Grip · Bell Helicopter Textron 47B, 47B3, 47D and 19 more. Effective Nov 30, 2000 - [AD 86-06-08 R1](https://openairdocs.org/ad/86-06-08-R1) (historical): Main Rotor Blade Grips · Bell Helicopter Textron 47B, 47B3, 47D and 25 more. Effective Jul 10, 1987 ## Registered aircraft (13) - [N1139W](https://openairdocs.org/aircraft/N1139W): [Mundis Jay E](https://openairdocs.org/faa-owner/MUNDIS%20JAY%20E), [Red Lion, PA](https://openairdocs.org/faa-place/PA/Red%20Lion), built 1964, S/N 3164 - [N1150W](https://openairdocs.org/aircraft/N1150W): [Boho LLC](https://openairdocs.org/faa-owner/BOHO%20LLC), [Lewes, DE](https://openairdocs.org/faa-place/DE/Lewes), built 1964, S/N 3327 - [N1184W](https://openairdocs.org/aircraft/N1184W): [Johnson Kyle L](https://openairdocs.org/faa-owner/JOHNSON%20KYLE%20L), [Exira, IA](https://openairdocs.org/faa-place/IA/Exira), built 1965, S/N 3341 - [N12RN](https://openairdocs.org/aircraft/N12RN): [Sunshine Holding LLC](https://openairdocs.org/faa-owner/SUNSHINE%20HOLDING%20LLC), [Danbury, CT](https://openairdocs.org/faa-place/CT/Danbury), built 1965, S/N 3350 - [N3081G](https://openairdocs.org/aircraft/N3081G): [Scotts Helicopter Service Inc](https://openairdocs.org/faa-owner/SCOTTS%20HELICOPTER%20SERVICE%20INC), [Le Sueur, MN](https://openairdocs.org/faa-place/MN/Le%20Sueur), built 1964, S/N 3153 - [N3094G](https://openairdocs.org/aircraft/N3094G): [Scotts Helicopter Services Inc](https://openairdocs.org/faa-owner/SCOTTS%20HELICOPTER%20SERVICES%20INC), [Le Sueur, MN](https://openairdocs.org/faa-place/MN/Le%20Sueur), built 1965, S/N 3361 - [N474RP](https://openairdocs.org/aircraft/N474RP): [Echo Matrix LLC](https://openairdocs.org/faa-owner/ECHO%20MATRIX%20LLC), [Bentonville, AR](https://openairdocs.org/faa-place/AR/Bentonville), built 1965, S/N 3344 - [N5220U](https://openairdocs.org/aircraft/N5220U): [Ritel Copter Service Inc](https://openairdocs.org/faa-owner/RITEL%20COPTER%20SERVICE%20INC), [Hudson, IA](https://openairdocs.org/faa-place/IA/Hudson), built 1964, S/N 3150 - [N73279](https://openairdocs.org/aircraft/N73279): [Mc Helicopter LLC](https://openairdocs.org/faa-owner/MC%20HELICOPTER%20LLC), [Summerfield, FL](https://openairdocs.org/faa-place/FL/Summerfield), S/N 3134 - [N73943](https://openairdocs.org/aircraft/N73943): [Green Rick A](https://openairdocs.org/faa-owner/GREEN%20RICK%20A), [Hudson, IA](https://openairdocs.org/faa-place/IA/Hudson), S/N 2862 - [N77DP](https://openairdocs.org/aircraft/N77DP): [Dt Pralle Enterprises Inc](https://openairdocs.org/faa-owner/DT%20PRALLE%20ENTERPRISES%20INC), [Hampton, IA](https://openairdocs.org/faa-place/IA/Hampton), built 1965, S/N 3343 - [N8478L](https://openairdocs.org/aircraft/N8478L): [Southern Aircraft Consultancy Inc Trustee](https://openairdocs.org/faa-owner/SOUTHERN%20AIRCRAFT%20CONSULTANCY%20INC%20TRUSTEE), [Casper, WY](https://openairdocs.org/faa-place/WY/Casper), built 1963, S/N 3339 - [N96133](https://openairdocs.org/aircraft/N96133): [Stringfellow Bruce](https://openairdocs.org/faa-owner/STRINGFELLOW%20BRUCE), [Irving, TX](https://openairdocs.org/faa-place/TX/Irving), built 1974, S/N 3345 ## NTSB investigations (58, newest 50) 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 WPR11CA398](https://openairdocs.org/ntsb/WPR11CA398), Aug 21, 2011: Bell 47G-4 (N948DS), Los Banos, CA, substantial damage. Probable cause: The pilot's failure to maintain clearance from the power poles while maneuvering during low-altitude operations. - [NTSB LAX03LA197](https://openairdocs.org/ntsb/LAX03LA197), Jun 13, 2003: Bell 47-G4 (N9017N), Porterville, CA, destroyed, 1 fatal. Probable cause: loss of control for undetermined reasons. - [NTSB FTW03CA146](https://openairdocs.org/ntsb/FTW03CA146), May 12, 2003: Bell 47G-4 (N4205D), Robinson, TX, substantial damage. Probable cause: The pilot's failure to maintain clearance with the ground while performing a quick stop maneuver which resulted in a dynamic rollover. - [NTSB CHI02LA142](https://openairdocs.org/ntsb/CHI02LA142), May 24, 2002: Bell 47G-4 (N1915B), Muncie, IN, destroyed. Probable cause: The pilot did not maintain directional control during hover taxi. Inadequate compensation for the crosswind conditions, the light rain, and the light pole were factors in the accident. - [NTSB SEA97LA174](https://openairdocs.org/ntsb/SEA97LA174), Jul 22, 1997: Bell 47G-3B1 (N3069G), Idaho Falls, ID, substantial damage. Probable cause: The pilot-in-command's failure to verify the proper chemical and fuel load aboard prior to takeoff. Factors contributing to the accident were: excessive fuel and chemical loading by ground personnel,… - [NTSB LAX92LA396](https://openairdocs.org/ntsb/LAX92LA396), Sep 21, 1992: Bell 47-G4A (N73279), Volcano, HI, substantial damage. Probable cause: THE PILOT'S IMPROPER USE OF THE COLLECTIVE CONTROL AFTER INADVERTENTLY ENTERING A POWER SETTLING CONDITION. - [NTSB FTW91LA064](https://openairdocs.org/ntsb/FTW91LA064), Apr 27, 1991: Bell 47G4 (N1195W), Corpus Christi, TX, destroyed. Probable cause: THE INITIAL RESTRICTED MOVEMENT AND EVENTUAL LOCKING OF THE CYCLIC CONTROL AS A RESULT OF THE FAILURE OF THE LATERAL SERVO. A FACTOR WAS THE INSTALLATION OF THE FAILED COMPONENT BY AN UNQUALIFIED… - [NTSB ANC91LA041](https://openairdocs.org/ntsb/ANC91LA041), Mar 30, 1991: Bell 47 (N73279), Thompson Pass, AK, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN AIRCRAFT CONTROL AND IMPROPER FLARE DURING LANDING. - [NTSB LAX91LA008](https://openairdocs.org/ntsb/LAX91LA008), Oct 11, 1990: Bell 47G4 (N477JM), Merced, CA, destroyed. Probable cause: LOSS OF ENGINE POWER FOR AN UNDETERMINED REASON. - [NTSB ATL90LA138](https://openairdocs.org/ntsb/ATL90LA138), Jun 28, 1990: Bell BH-47G (N3081G), Seagrove, NC, substantial damage. Probable cause: FAILURE OF A NUMBER FOUR CONNECTING ROD BOLT FOR AN UNDETERMINED REASON. - [NTSB CHI85LA254](https://openairdocs.org/ntsb/CHI85LA254), Jun 26, 1985: Bell 47G-4 (N3094G), Lakeville, MN, substantial damage - [NTSB LAX84LA194](https://openairdocs.org/ntsb/LAX84LA194), Feb 24, 1984: Bell 47-G4A (N9017N), Dixon, CA, destroyed - [NTSB MIA82DA181](https://openairdocs.org/ntsb/MIA82DA181), Sep 13, 1982: Bell 47G4 (N1151W), Madison, FL, substantial damage - [NTSB MIA82DA133](https://openairdocs.org/ntsb/MIA82DA133), Jun 11, 1982: Bell 47G-4 (N1151W), N. Greenville, FL, substantial damage - [NTSB ATL81DA085](https://openairdocs.org/ntsb/ATL81DA085), Jun 24, 1981: Bell 47G-4 (N1198W), Jackson, MS, substantial damage - [NTSB FTW79FRA34](https://openairdocs.org/ntsb/FTW79FRA34), Jun 29, 1979: Bell 47G-4 (N1150W), Manvel, TX, substantial damage - [NTSB FTW79DRA20](https://openairdocs.org/ntsb/FTW79DRA20), Apr 24, 1979: Bell 47-G4 (N1150W), Alvin, TX, minor damage - [NTSB IAD79FLQ09](https://openairdocs.org/ntsb/IAD79FLQ09), Mar 12, 1979: Bell 47G4 (N1218W), Russellville, KY, substantial damage - [NTSB MIA79FLD63](https://openairdocs.org/ntsb/MIA79FLD63), Jul 15, 1978: Bell 47G (N1158W), Loghman, FL, destroyed, 1 fatal - [NTSB CHI78FEV01](https://openairdocs.org/ntsb/CHI78FEV01), Oct 3, 1977: Bell 47G4 (N8515F), Crossville, IL, destroyed - [NTSB NYC77FA032](https://openairdocs.org/ntsb/NYC77FA032-146000), Jul 16, 1977: Bell 47G (N9231Z), Rome, NY, substantial damage - [NTSB NYC77FHA17](https://openairdocs.org/ntsb/NYC77FHA17), Apr 15, 1977: Bell 47G-4 (N1150W), Stroudsburg, PA, substantial damage - [NTSB NYC77DHA16](https://openairdocs.org/ntsb/NYC77DHA16), Feb 16, 1977: Bell 47G-4 (N73292), Blairstown, NJ, substantial damage - [NTSB MIA76DKJ77](https://openairdocs.org/ntsb/MIA76DKJ77), Jun 28, 1976: Bell 47G-4 (N1216W), Natural Bridge, AL, substantial damage - [NTSB FTW76DPJ25](https://openairdocs.org/ntsb/FTW76DPJ25), Feb 25, 1976: Bell 47G-4 (N1150W), Billings, OK, destroyed - [NTSB IAD76FIJ05](https://openairdocs.org/ntsb/IAD76FIJ05), Sep 26, 1975: Bell 47G4 (N73943), Tams Mt, WV, substantial damage - [NTSB ANC76AA028](https://openairdocs.org/ntsb/ANC76AA028), Aug 27, 1975: Bell 47G-4 (N73279), Granite Mt., AK, substantial damage - [NTSB MIA75FKQ32](https://openairdocs.org/ntsb/MIA75FKQ32), May 14, 1975: Bell 47G4 (N1198W), Jackson, MS, substantial damage - [NTSB IAD75DIA19](https://openairdocs.org/ntsb/IAD75DIA19), Apr 18, 1975: Bell 47G4 (N420MC), Bowie, MD, substantial damage - [NTSB IAD74DIJ01](https://openairdocs.org/ntsb/IAD74DIJ01), Aug 27, 1973: Bell 47-G4 (N1218W), Nora, VA, substantial damage - [NTSB FTW72FPD06](https://openairdocs.org/ntsb/FTW72FPD06), Aug 30, 1971: Bell 47G-4 (N8520F), Grandview, TX, destroyed - [NTSB NYC71DFA64](https://openairdocs.org/ntsb/NYC71DFA64), Jun 15, 1971: Bell 47G4A (N1158W), Elizaville, NY, substantial damage - [NTSB FTW71FRD45](https://openairdocs.org/ntsb/FTW71FRD45), May 5, 1971: Bell 47G-4 (N73283), Westwego, LA, substantial damage - [NTSB NYC71DHD46](https://openairdocs.org/ntsb/NYC71DHD46), Apr 19, 1971: Bell 47G4 (N73944), Mays Ldg, NJ, destroyed - [NTSB FTW71AF055](https://openairdocs.org/ntsb/FTW71AF055), Mar 3, 1971: Bell 47G-4 (N13150), Leeville, LA, destroyed, 1 fatal - [NTSB NYC71FHD32](https://openairdocs.org/ntsb/NYC71FHD32), Dec 2, 1970: Bell 47G-4 (N73943), Philadelphia, PA, substantial damage - [NTSB FTW71FRJ23](https://openairdocs.org/ntsb/FTW71FRJ23), Nov 16, 1970: Bell 47G-4 (N1216W), Vivian, LA, substantial damage - [NTSB NYC70F0186](https://openairdocs.org/ntsb/NYC70F0186), Oct 16, 1969: Bell 47G-4 (N73943), E Providence, RI, substantial damage - [NTSB ANC70F0016](https://openairdocs.org/ntsb/ANC70F0016), Jun 5, 1969: Bell 47J-2A (N8520F), Manly Ht Sps, AK, substantial damage - [NTSB FTW69A0073](https://openairdocs.org/ntsb/FTW69A0073), Apr 14, 1969: Bell 47G-4 (N1143W), Sabine, TX, substantial damage - [NTSB FTW69F0430](https://openairdocs.org/ntsb/FTW69F0430), Mar 18, 1969: Bell 47G-4 (N1150W), Camden, AR, substantial damage - [NTSB MIA69D0223](https://openairdocs.org/ntsb/MIA69D0223), Oct 5, 1968: Bell 47G2A1 (N1158W), Haines City, FL, substantial damage - [NTSB ANC69A0008](https://openairdocs.org/ntsb/ANC69A0008), Aug 13, 1968: Bell 47G-4 (N3093G), Miller House, AK, destroyed, 1 fatal - [NTSB FTW68A0092](https://openairdocs.org/ntsb/FTW68A0092), May 17, 1968: Bell 47G-4 (N1331X), Leeville, LA, substantial damage - [NTSB LAX67A0025](https://openairdocs.org/ntsb/LAX67A0025), Aug 30, 1966: Bell 47G-4 (N1162W), Los Angeles, CA, destroyed, 5 fatal - [NTSB NYC67A0018](https://openairdocs.org/ntsb/NYC67A0018), Jul 26, 1966: Bell 47G-4 (N3094G), Savannah, NY, substantial damage - [NTSB FTW67A0003](https://openairdocs.org/ntsb/FTW67A0003), Jul 5, 1966: Bell 47G-4 (N1128W), Borger, TX, substantial damage - [NTSB NYC66A0140](https://openairdocs.org/ntsb/NYC66A0140), Jun 2, 1966: Bell 47G-4 (N3081G), Dumfries, VA, destroyed - [NTSB DEN66A0086](https://openairdocs.org/ntsb/DEN66A0086), May 30, 1966: Bell 47G3B1 (N1198W), Luna, NM, substantial damage - [NTSB FTW66A0083](https://openairdocs.org/ntsb/FTW66A0083), Feb 25, 1966: Bell 47G-2 (N8425E), Lake Charles, LA, substantial damage All 58: https://openairdocs.org/model/bell-47g-4/ntsb.md ## FAA accident and incident reports (36) 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 20110821017499A](https://openairdocs.org/incident/20110821017499A), Aug 21, 2011: Bell 47G-4 (N948DS), Los Banos, CA, Substantial damage. Halfway through a cleanup swath run of the first flight of the day the pilot hit a power pole with the rotor blades. The pilot had previously sprayed the field… - [Accident 20030613011409A](https://openairdocs.org/incident/20030613011409A), Jun 13, 2003: Bell 47G4 (N9017N), Portervill, CA, Destroyed, 1 fatal. (-23) After completing application on a field the pilot returned to truck for fuel and chemical for the next corn field. Instead of flying west to the next… - [Accident 20030512011309A](https://openairdocs.org/incident/20030512011309A), May 12, 2003: Bell 47G4 (N4205D), Levi, TX, Substantial damage. (-23) The pilot stated that he was doing a quick stop maneuver when the tail impacted the ground. The helicopter then made a very hard landing on the left skid… - [Accident 20020524019919A](https://openairdocs.org/incident/20020524019919A), May 24, 2002: Bell 47G4 (N1915B), Muncie, IN, Destroyed. (.19) On may 24, 2002, at 1420 central daylight time, helicopter Bell 47G-4, N1915B, owned and piloted by a commercial pilot, was destroyed when the main rotor… - [Accident 19970722019469A](https://openairdocs.org/incident/19970722019469A), Jul 22, 1997: Bell 47G4 (N3069G), Idaho Falls, ID, Substantial damage. Aircraft took off downwind and settled back down on the runway. - [Accident 19920921037899A](https://openairdocs.org/incident/19920921037899A), Sep 21, 1992: Bell 47G4A (N73279), Volcano, HI, Substantial damage. During hover over Volcano began settling with power. Impacted downslope and rolled over. - [Incident 19910828037269I](https://openairdocs.org/incident/19910828037269I), Aug 28, 1991: Bell 47G4 (N1178W), Chatham, LA, Minor damage. Engine failed in flight. Forced landing in field. Fuel contaminated with water. Heavy rain day earlier. - [Accident 19910427012809A](https://openairdocs.org/incident/19910427012809A), Apr 27, 1991: Bell 47G (N41DA), Alice, TX, Substantial damage - [Accident 19910330007859A](https://openairdocs.org/incident/19910330007859A), Mar 30, 1991: Bell 47G4 (N73279), Thompson Pass, AK, Substantial damage. Made hard landing on mountain ridge skid broke through crusted snow. Rotors damaged tail boom. - [Accident 19901011045159A](https://openairdocs.org/incident/19901011045159A), Oct 11, 1990: Bell 47G4 (N477JM), Merced, CA, Destroyed. Engine failed at low altitude causing ground impact and fire. No defects found. - [Accident 19900628022779A](https://openairdocs.org/incident/19900628022779A), Jun 28, 1990: Bell 47G4 (N3081G), Seagrove, NC, Substantial damage. Connecting rod bolt failed during power line patrol. Struck trees landing. - [Incident 19860530033349I](https://openairdocs.org/incident/19860530033349I), May 30, 1986: Bell 47G4 (N447DY), Ivywild, CO, Minor damage. Left boom got under a wire. Wire broke with no damage to aircraft. Corroded copper wire not seen during spray run. - [Accident 19850626028029A](https://openairdocs.org/incident/19850626028029A), Jun 26, 1985: Bell 47G4 (N3094G), Lakeville, MN, Destroyed. Right skid hooked on landing guides during attempt to land on a trailer. Aircraft rolled over and caught on fire. - [Incident 19840913053829I](https://openairdocs.org/incident/19840913053829I), Sep 13, 1984: Bell 47G4 (N73943), Tulsa, OK. Rough engine and a power loss. Landed in a city park. Cause undetermined. - [Accident 19840223004939A](https://openairdocs.org/incident/19840223004939A), Feb 23, 1984: Bell 47G4A (N9017N), Dixon, CA, Destroyed. Helicopter crashed during attempted emergency landing during crop dusting operation. - [Accident 19820913045699A](https://openairdocs.org/incident/19820913045699A), Sep 13, 1982: Bell 47G4 (N1151W), Madison, FL, Substantial damage. Engine failed during spraying operation. Crash occurred attempting emergency landing. - [Accident 19820610021639A](https://openairdocs.org/incident/19820610021639A), Jun 10, 1982: Bell 47G4 (N1151W), North Greenvill, FL, Substantial damage. Vision obscured by setting sun in turn around on a spray run. Allowed RPM decay, settled to hard ground impact. - [Accident 19810624041089A](https://openairdocs.org/incident/19810624041089A), Jun 24, 1981: Bell 47G3 (N1198W), Jackson, MS, Substantial damage. Examiner geave simulated emergency landing during hover. Hard landing was made causing substantial damage. - [Incident 19810620048459I](https://openairdocs.org/incident/19810620048459I), Jun 20, 1981: Bell 47G4 (N1138W), Deputy, IN, Minor damage. Developed high descent rate after turn around. Possible descending with power phenomenon. - [Incident 19800519058919I](https://openairdocs.org/incident/19800519058919I), May 19, 1980: Bell 47G4A (N3094G), Cincinnati, OH, Minor damage. Helicopter tail rotor struck ground during liftoff, followed by hard landing. - [Accident 19790629013309A](https://openairdocs.org/incident/19790629013309A), Jun 29, 1979: Bell 47G4 (N1150W), Manvel, TX, Substantial damage. Ag pilot with a passenger looking over a field to be sprayed. Settled into the ground with power. - [Accident 19790424008829A](https://openairdocs.org/incident/19790424008829A), Apr 24, 1979: Bell 47 (N1150W), Alvin, TX, Minor damage. During agricultural spraying,the pilot hit his flagman. Spray boom on aircraft hit flagman and broke his pelvis. - [Accident 19790312006039A](https://openairdocs.org/incident/19790312006039A), Mar 12, 1979: Bell 47G4 (N1218W), Russellville, KY, Substantial damage. Forced landing due to engine failure. Carburetor ice suspected. - [Accident 19780715034389A](https://openairdocs.org/incident/19780715034389A), Jul 15, 1978: Bell 47G3B1 (N1158W), Loghman, FL, Destroyed. T/r blade,p/n 47-642-102-051 s/n A39096,failed. - [Accident 19771003029159A](https://openairdocs.org/incident/19771003029159A), Oct 3, 1977: Bell 47G4 (N8515F), Crossville, IL, Destroyed - [Accident 19770716023509A](https://openairdocs.org/incident/19770716023509A), Jul 16, 1977: Bell 47G4 (N9231Z), Rome, NY, Destroyed. Fuel sys intact,aprx 1/2 gal fuel remained. - [Accident 19770415007339A](https://openairdocs.org/incident/19770415007339A), Apr 15, 1977: Bell 47G4 (N1150W), Stroudsburg, PA, Substantial damage. Prev dmg by ctc with water bucket bfor tkof. - [Accident 19770216003809A](https://openairdocs.org/incident/19770216003809A), Feb 16, 1977: Bell 47G4 (N73292), Blairstown, NJ, Substantial damage. Engine nr 4 connecting rod failed at the bolt hole portion of the rod. - [Accident 19760808026629A](https://openairdocs.org/incident/19760808026629A), Aug 8, 1976: Bell 47G4 (N73283), TX, Destroyed - [Accident 19760628017659A](https://openairdocs.org/incident/19760628017659A), Jun 28, 1976: Bell 47G4 (N1216W), Natural Bridge, AL, Substantial damage. Water found in carburetor after crash on flt to look over field to be treated. - [Accident 19760225002549A](https://openairdocs.org/incident/19760225002549A), Feb 25, 1976: Bell 47G4 (N1150W), Billings, OK, Destroyed. Gusting to 20K. - [Accident 19750926037089A](https://openairdocs.org/incident/19750926037089A), Sep 26, 1975: Bell 47G4 (N73943), Tams Mt, WV, Substantial damage. Water in carb bowl & fuel truck. Automotive fuel used. Stuck valve in one cylinder. - [Accident 19750827042239A](https://openairdocs.org/incident/19750827042239A), Aug 27, 1975: Bell 47G4 (N73279), Granite Mt., AK, Substantial damage. Lnd on slope. - [Accident 19750514010839A](https://openairdocs.org/incident/19750514010839A), May 14, 1975: Bell 47G4 (N1198W), Jackson, MS, Substantial damage. Post acdt exam of carb revealed numerous droplets of water. - [Accident 19750418007999A](https://openairdocs.org/incident/19750418007999A), Apr 18, 1975: Bell 47G4 (N420MC), Bowie, MD, Substantial damage. Hard lndg,pulled back on cyclic tail rotor struck gnd. - [Accident 19730827028959A](https://openairdocs.org/incident/19730827028959A), Aug 27, 1973: Bell 47G4 (N1218W), Nora, VA, Substantial damage. Plt expd pwr loss previously. ## Service difficulty reports (4) As reported by operators and repair stations, by the model named in the report. - [SDR CA080407007](https://openairdocs.org/sdr/CA080407007), Apr 5, 2008: GEAR SET. SHEARED. APPROX 100 HRS AGO TRANSMISSION WAS O/H AND NEW PMA GEAR SET WAS INSTALLED S/N GR586A FROM HELICOPTER TECH DURING FLIGHT PILOT HEARD AND FELT NOISE AND MADE A P - [SDR CA060417001](https://openairdocs.org/sdr/CA060417001), Apr 14, 2006: ENGINE. SHUTDOWN. HELICOPTER WAS FLYING ALONG AND ENGINE QUIT, SUCCESSFUL AUTOROTATION WAS ACCOMPLISHED. UPON INVESTIGATION OF ENGINE, IT WAS FOUND THAT NONE OF THE VALVES WERE O - [SDR CA011003002](https://openairdocs.org/sdr/CA011003002), Sep 4, 2001: BEARING. FAILED. (CAN) INITIAL PROBLEM ENCOUNTERED WAS A CHANGE IN IDLE SPEED. IDLE WAS ADJUSTED, AIRCRAFT WAS TEST FLOWN & NBO PROBLEMS EXISTED.NEXT DAY AIRCRAFT IDLE SPEED HAD - [SDR CA960514105](https://openairdocs.org/sdr/CA960514105), May 10, 1995: ROTORS. ERODED. (CAN) HEAVY EROSION OF 4TH AND 5TH STAGE ROTORS AND UNDERCUTTING ON 4TH AND 5TH STAGE STATOR VANES. CORROSION OF COMPRESSOR SCROLL. ## STCs that may be installed (OpenAirDocs) (138, first 50) Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SA800EA](https://openairdocs.org/stc/SA800EA): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies. Whelen Aerospace Technologies - [STC SH100WE](https://openairdocs.org/stc/SH100WE): Installation of fiberglass baggage carriers. Texas Transland LLC - [STC SH3319NM](https://openairdocs.org/stc/SH3319NM): Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,. Precise Flight Inc - [STC SH1152NW](https://openairdocs.org/stc/SH1152NW): Installation of the Automatic Flagman Model 135 Control Stick Grip. Air Products & Parts LLC - [STC SR09066RC](https://openairdocs.org/stc/SR09066RC): Fabricate the HAC-47-3 Tail Rotor Blade. Scott's-Bell 47 Inc - [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC - [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation - [STC SH2772SW](https://openairdocs.org/stc/SH2772SW): Revise mast controls and remove stabilizer bar and install control system. Scott's-Bell 47 Inc - [STC SA615EA](https://openairdocs.org/stc/SA615EA): Installation of a Whelen Anti-Collision Strobe Light System as replacement for originally installed anti-collision lights. Whelen Aerospace Technologies - [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies - [STC SR01845SE](https://openairdocs.org/stc/SR01845SE): Installation of a barrier air filtration system. Cascade Flying Service LLC - [STC SR00408NY](https://openairdocs.org/stc/SR00408NY): Installation of Airwolf remote mounted engine oil filter model AFC-600. Airwolf Filter Corporation - [STC SR02487AK](https://openairdocs.org/stc/SR02487AK): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System. ADS-B Technologies, LLC - [STC SR02470AK](https://openairdocs.org/stc/SR02470AK): Installation of the L-3 Communications NGT -1000/2000/2500 ADS-B System. ADS-B Technologies, LLC - [STC SR02471AK](https://openairdocs.org/stc/SR02471AK): Installation of the L-3 Communications NGT -9000/9000R ADS-B System. ADS-B Technologies, LLC - [STC SH2348SW](https://openairdocs.org/stc/SH2348SW): Installation of Sprag System Kit P/N 74-612-153-1M Revision D, dated 9/17/14. Scott's Bell 47 Inc - [STC SR02394AK](https://openairdocs.org/stc/SR02394AK): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system. Seaplanes North LLC - [STC SH162WE](https://openairdocs.org/stc/SH162WE): Installation of exhaust muffler assembly. Scott's Bell 47 Inc - [STC SH166GL](https://openairdocs.org/stc/SH166GL): Installation of Low Fuel Warning System. Scott's Bell 47 Inc - [STC SH1710GL](https://openairdocs.org/stc/SH1710GL): Install fixed elevator in lieu of synchronized elevator. Scott's Bell 47 Inc - [STC SH2397SW](https://openairdocs.org/stc/SH2397SW): Installation of Ag-King 500B Spray System with 2 tanks (800 pounds total allowable), 32 foot boom on end of skid tubes and engine driven pump. Scott's Bell 47 Inc - [STC SH382SW](https://openairdocs.org/stc/SH382SW): Eligible only on Bell 47 series with open tail booms. Installation of sign per Kitz Kopter's Drawing KK-101 dated 10/14/64. Scott's Bell 47 Inc - [STC SH611SW](https://openairdocs.org/stc/SH611SW): Left and right door with tinted glass and sliding window. Scott's Bell 47 Inc - [STC SH972SW](https://openairdocs.org/stc/SH972SW): Installation of copilot's rudder pedals. Scott's Bell 47 Inc - [STC SR09321RC](https://openairdocs.org/stc/SR09321RC): Installation of Improved Main Rotor Grips and Matching Adapter Nut. Scott's Bell 47 Inc - [STC SA00068SE](https://openairdocs.org/stc/SA00068SE): Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1). Electronics International Inc - [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories. Electronics International Inc - [STC SA4172NM](https://openairdocs.org/stc/SA4172NM): Installation of Aviation Development oil filter. Aviation Development Corporation - [STC SH657NW](https://openairdocs.org/stc/SH657NW): Installation of Allison 250-C18A, -C18C, -C20, -C20B engine and related changes. Siam Hiller Holdings Inc - [STC SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. M-20 Oil Separators LLC - [STC SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. Electronics International - [STC SR01430LA](https://openairdocs.org/stc/SR01430LA): Installation of Stainless Steel Skid shoes. Papas Gary Los Angeles Laboratories Inc - [STC SA01258SE](https://openairdocs.org/stc/SA01258SE): Installation of the Automatic Flagman Dispenser Models in accordance with Automatic Flagman Master Drawing Lists specified in attached AML, or later FAA approved revision.This STC supercedes several existing STC s as listed in the notes on the attached AML. R-S Sales Inc - [STC SA489EA](https://openairdocs.org/stc/SA489EA): Installation of ARP Inc. carburetor ice detection system. Aircraft & Rotorcraft Products (ARP) Inc - [STC SH1343SO](https://openairdocs.org/stc/SH1343SO): Installation of Utah Research& Development's Model 124BC101 airborne battery charger. Aviall Services, Inc. Lists 47 Series - [STC SA02520AT](https://openairdocs.org/stc/SA02520AT): Installation of M-20 Oil Separator, model 600-WP. M-20 Oil Separators LLC - [STC SH102WE](https://openairdocs.org/stc/SH102WE): Installation of automatic flagman model 5. R-S Sales Inc - [STC SA2687NM](https://openairdocs.org/stc/SA2687NM): Installation of Truboplus/ Electronics Int'l gauges and switches. Aero Manufacturing Inc - [STC SR00641SE](https://openairdocs.org/stc/SR00641SE): Installation of aerial mapping camera. Davis Richard B - [STC SA00238SE](https://openairdocs.org/stc/SA00238SE): Installation of Aviation Development Corporation's sump mounted chip detector. Aviation Development Corporation - [STC SH54WE](https://openairdocs.org/stc/SH54WE): Installation of modified hydraulic boost cylinder. Fortner Accessory Service Corp - [STC SH68WE](https://openairdocs.org/stc/SH68WE): Installation of modified hydraulic boost cylinder. Fortner Accessory Service Corp - [STC SA1626NM PAGE 1](https://openairdocs.org/stc/SA1626NM%20PAGE%201): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International - [STC SH8441SW](https://openairdocs.org/stc/SH8441SW): Installation of a float assembly. Aero Products, Inc - [STC SA2844CE](https://openairdocs.org/stc/SA2844CE): Installation of a plastic cap enclosure over the anti-collision strobe light system. Air Transport Inc - [STC SH5142NM](https://openairdocs.org/stc/SH5142NM): Install rotary atomizers, Simplex model 10060, on Simplex spray booms approved under on the the STC's SH787NW, SH856NW, SH889NW, or SH891NW. Simplex Manufacturing Company - [STC SA2350NM PAGE 1](https://openairdocs.org/stc/SA2350NM%20PAGE%201): Installation of Electronics International Inc digital carburetor/outside air temperature gauges. Electronics International - [STC SH370GL](https://openairdocs.org/stc/SH370GL): Installation of Facet Enterprises, Inc. engine lubrication system scavenge filter. Facet Filter Products - [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International - [STC SA3862NM PAGE 1](https://openairdocs.org/stc/SA3862NM%20PAGE%201): Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories. Electronics International All 138: https://openairdocs.org/model/bell-47g-4/stcs.md ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Bell-K-Copter 47G4](https://openairdocs.org/model/bell-k-copter-47g4): 0 registered aircraft, registry code 118103Z --- 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.