# Weatherly 620B - Type: Aircraft model (FAA registry) - Registry codes: 9630605, 9630607 - Manufacturer (registry): WEATHERLY AVIATION CO INC · WEATHERLY - Model: 620B - Aircraft type: Fixed wing single engine - Category: Airplane - Engines: 1 · Reciprocating - Seats: 2 - Weight class: Up to 12,499 lb - Certification: Type certificated - Data sheet: [TCDS A26WE](https://openairdocs.org/tcds/A26WE) (OpenAirDocs) - Holder: Weatherly Aircraft Company - Registered aircraft: 23 - Page: https://openairdocs.org/model/weatherly-620b Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. The FAA lists this model under more than one registry code, usually for different spellings of the maker. This page covers them all. ## 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 2020-10-03](https://openairdocs.org/ad/2020-10-03): Wing Attach Hinge Fitting · Weatherly 201, 201A, 201B and 6 more. Effective Jun 15, 2020 - [AD 2016-07-11](https://openairdocs.org/ad/2016-07-11): Wing Attach Fittings · Weatherly 201, 201A, 201B and 6 more. Effective Apr 15, 2016 - [AD 96-16-06](https://openairdocs.org/ad/96-16-06): Wing Hinge Pin · Weatherly 620A and 620B. Effective Oct 6, 1996 ## Registered aircraft (23) - [N197SK](https://openairdocs.org/aircraft/N197SK): [Beery Milo A](https://openairdocs.org/faa-owner/BEERY%20MILO%20A), [Clarinda, IA](https://openairdocs.org/faa-place/IA/Clarinda), S/N 1645 - [N1999R](https://openairdocs.org/aircraft/N1999R): [Ras Inc](https://openairdocs.org/faa-owner/RAS%20INC), [Danbury, NE](https://openairdocs.org/faa-place/NE/Danbury), built 1997, S/N 1649 - [N20003](https://openairdocs.org/aircraft/N20003): [Hopkins Robert E Jr](https://openairdocs.org/faa-owner/HOPKINS%20ROBERT%20E%20JR), [Sumter, SC](https://openairdocs.org/faa-place/SC/Sumter), built 1992, S/N 1552 - [N2002E](https://openairdocs.org/aircraft/N2002E): [Beery Milo A](https://openairdocs.org/faa-owner/BEERY%20MILO%20A), [Clarinda, IA](https://openairdocs.org/faa-place/IA/Clarinda), built 1992, S/N 1554 - [N2009W](https://openairdocs.org/aircraft/N2009W): [Morris Shepherd](https://openairdocs.org/faa-owner/MORRIS%20SHEPHERD), [Shorter, AL](https://openairdocs.org/faa-place/AL/Shorter), built 1993, S/N 1560 - [N20122](https://openairdocs.org/aircraft/N20122): [Gust David R](https://openairdocs.org/faa-owner/GUST%20DAVID%20R), [Harwood, ND](https://openairdocs.org/faa-place/ND/Harwood), built 1994, S/N 1564 - [N2015N](https://openairdocs.org/aircraft/N2015N): [High Performance Aviation LLC](https://openairdocs.org/faa-owner/HIGH%20PERFORMANCE%20AVIATION%20LLC), [Davidson, NC](https://openairdocs.org/faa-place/NC/Davidson), built 1993, S/N 1567 - [N2021S](https://openairdocs.org/aircraft/N2021S): [Jersey Devil Dusters LLC](https://openairdocs.org/faa-owner/JERSEY%20DEVIL%20DUSTERS%20LLC), [Southampton, NJ](https://openairdocs.org/faa-place/NJ/Southampton), built 1993, S/N 1571 - [N20263](https://openairdocs.org/aircraft/N20263): [Ras Inc](https://openairdocs.org/faa-owner/RAS%20INC), [Danbury, NE](https://openairdocs.org/faa-place/NE/Danbury), built 1994, S/N 1575 - [N2032J](https://openairdocs.org/aircraft/N2032J): [Arnt Aerial Spraying Inc](https://openairdocs.org/faa-owner/ARNT%20AERIAL%20SPRAYING%20INC), [Worthington, MN](https://openairdocs.org/faa-place/MN/Worthington), built 1994, S/N 1583 - [N2034M](https://openairdocs.org/aircraft/N2034M): [Schindler Rick M](https://openairdocs.org/faa-owner/SCHINDLER%20RICK%20M), [Neligh, NE](https://openairdocs.org/faa-place/NE/Neligh), built 1995, S/N 1588 - [N2035N](https://openairdocs.org/aircraft/N2035N): [Plus Flying Service Inc](https://openairdocs.org/faa-owner/PLUS%20FLYING%20SERVICE%20INC), [Ekalaka, MT](https://openairdocs.org/faa-place/MT/Ekalaka), built 1995, S/N 1591 - [N620RS](https://openairdocs.org/aircraft/N620RS): [Aeschliman Arlie W](https://openairdocs.org/faa-owner/AESCHLIMAN%20ARLIE%20W), [Tribune, KS](https://openairdocs.org/faa-place/KS/Tribune), built 1996, S/N 1617 - [N620SA](https://openairdocs.org/aircraft/N620SA): [Cropair Flying Service Inc](https://openairdocs.org/faa-owner/CROPAIR%20FLYING%20SERVICE%20INC), [Cody, WY](https://openairdocs.org/faa-place/WY/Cody), built 1997, S/N 1646 - [N65876](https://openairdocs.org/aircraft/N65876): [Kidd Clifford L III](https://openairdocs.org/faa-owner/KIDD%20CLIFFORD%20L%20III), [Monahans, TX](https://openairdocs.org/faa-place/TX/Monahans), S/N 1654 - [N9000P](https://openairdocs.org/aircraft/N9000P): [Cochrane Aaron W](https://openairdocs.org/faa-owner/COCHRANE%20AARON%20W), [Lake Bronson, MN](https://openairdocs.org/faa-place/MN/Lake%20Bronson), built 1995, S/N 1600 - [N90181](https://openairdocs.org/aircraft/N90181): [Air Dakota Flite](https://openairdocs.org/faa-owner/AIR%20DAKOTA%20FLITE), [Hettinger, ND](https://openairdocs.org/faa-place/ND/Hettinger), built 1996, S/N 1613 - [N90182](https://openairdocs.org/aircraft/N90182): [Tolen Dave](https://openairdocs.org/faa-owner/TOLEN%20DAVE), [Gallatin, MO](https://openairdocs.org/faa-place/MO/Gallatin), S/N 1614 - [N90225](https://openairdocs.org/aircraft/N90225): [Moores Aerial Applicators LLC](https://openairdocs.org/faa-owner/MOORES%20AERIAL%20APPLICATORS%20LLC), [Morehead City, NC](https://openairdocs.org/faa-place/NC/Morehead%20City), built 1996, S/N 1622 - [N90275](https://openairdocs.org/aircraft/N90275): [Double M Farms LLC](https://openairdocs.org/faa-owner/DOUBLE%20M%20FARMS%20LLC), [Walsh, CO](https://openairdocs.org/faa-place/CO/Walsh), built 1996, S/N 1637 - [N90393](https://openairdocs.org/aircraft/N90393): [Skyline Aviation LLC](https://openairdocs.org/faa-owner/SKYLINE%20AVIATION%20LLC), [Lewistown, MT](https://openairdocs.org/faa-place/MT/Lewistown), built 1995, S/N 1594 - [N9057G](https://openairdocs.org/aircraft/N9057G): [Cb Aerial Application LLC](https://openairdocs.org/faa-owner/CB%20AERIAL%20APPLICATION%20LLC), [Queen City, MO](https://openairdocs.org/faa-place/MO/Queen%20City), built 1997, S/N 1647 - [N9057T](https://openairdocs.org/aircraft/N9057T): [Queen City, MO](https://openairdocs.org/faa-place/MO/Queen%20City), built 1997, S/N 1648, Registration pending ## NTSB investigations (34) 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 ERA26FA341](https://openairdocs.org/ntsb/ERA26FA341), Sep 17, 2026: Weatherly 620 (N20003), Lynchburg, SC, substantial damage, 1 fatal, investigation ongoing - [NTSB CEN25LA286](https://openairdocs.org/ntsb/CEN25LA286), Jul 23, 2025: Weatherly 620B (N2032J), Rushmore, MN, substantial damage. Probable cause: The pilot’s failure to maintain clearance from a tree during low-level maneuvering. - [NTSB WPR25LA165](https://openairdocs.org/ntsb/WPR25LA165), May 30, 2025: Weatherly 620B (N90393), Lewiston, MT, substantial damage. Probable cause: The pilot’s failure to maintain clearance from terrain while maneuvering at a low altitude. - [NTSB GAA20CA033](https://openairdocs.org/ntsb/GAA20CA033), Oct 17, 2019: Weatherly 620 (N9033T), Fabens, TX, substantial damage. Probable cause: The pilot's failure to maintain clearance from power wires while maneuvering at a low altitude. - [NTSB ERA19LA263](https://openairdocs.org/ntsb/ERA19LA263), Sep 2, 2019: Weatherly 620 (N90104), Russellville, AL, destroyed, 1 fatal. Probable cause: The pilot's failure to see and avoid powerlines during low-altitude agricultural spraying flight operations. - [NTSB GAA17CA225](https://openairdocs.org/ntsb/GAA17CA225), Apr 10, 2017: Weatherly 620B (N9004M), Lewistown, MT, substantial damage. Probable cause: The pilot’s failure to maintain altitude during low-altitude maneuvers in flat light conditions. - [NTSB CEN17LA038](https://openairdocs.org/ntsb/CEN17LA038), Nov 12, 2016: Weatherly 620B (N2035J), Coleman, TX, substantial damage. Probable cause: The pilot’s inadequate fuel management, which resulted in a total loss of engine power due to fuel starvation. - [NTSB CEN15LA399](https://openairdocs.org/ntsb/CEN15LA399), Aug 26, 2015: Weatherly 620B (N2005C), Hancock, WI, destroyed, 1 fatal. Probable cause: The in-flight failure of the left wing lower forward attach point under normal loading conditions due to corrosion and fatigue cracking in the center section hinge brackets. Contributing to the… - [NTSB GAA15CA171](https://openairdocs.org/ntsb/GAA15CA171), Jul 9, 2015: Weatherly 620B (N2034P), Hatch, NM, substantial damage. Probable cause: The pilot failed to maintain obstacle clearance, and the airplane struck a transmission line wire during aerial application operations. - [NTSB CEN13FA324](https://openairdocs.org/ntsb/CEN13FA324), Jun 7, 2013: Weatherly 620B (N350WR), Ludlow, SD, substantial damage, 1 fatal. Probable cause: The pilot’s failure to maintain control of the airplane while maneuvering, which resulted in an inadvertent stall. Contributing to the accident was task- and/or work-related fatigue. - [NTSB CEN12LA514](https://openairdocs.org/ntsb/CEN12LA514), Aug 3, 2012: Weatherly 620B (N2008S), Holcomb, KS, substantial damage. Probable cause: The pilot's failure to use carburetor heat while operating in conditions conducive to carburetor icing, which resulted in a partial loss of engine power shortly after takeoff. - [NTSB CEN11LA541](https://openairdocs.org/ntsb/CEN11LA541), Jul 30, 2011: Weatherly 620B (N90181), Hettinger, ND, substantial damage. Probable cause: Internal failure of the engine for undetermined reasons. - [NTSB CEN09CA452](https://openairdocs.org/ntsb/CEN09CA452), Jul 21, 2009: Weatherly 620B (N2027K), New England, ND, substantial damage. Probable cause: The loss of engine power for undetermined reasons while maneuvering at low altitude. - [NTSB DEN08LA150](https://openairdocs.org/ntsb/DEN08LA150), Sep 4, 2008: Weatherly 620B (N2036U), Atkinson, NE, substantial damage. Probable cause: The total loss of engine power due to water contamination and corrosion within the fuel system at an undetermined time and from an undetermined source. - [NTSB DFW08CA098](https://openairdocs.org/ntsb/DFW08CA098), Apr 13, 2008: Weatherly 620B (N2035J), Coleman, TX, substantial damage. Probable cause: The pilot's failure to maintain airplane control on the landing roll. A contributing factor was the variable wind. - [NTSB CHI07LA207](https://openairdocs.org/ntsb/CHI07LA207), Jul 13, 2007: Weatherly 620B (N9026E), Wyoming, IL, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain clearance with the power lines during the aerial application flight. Contributing to the accident were the power lines and the low altitude. - [NTSB CHI06CA225](https://openairdocs.org/ntsb/CHI06CA225), Aug 8, 2006: Weatherly 620B (N9012P), Sioux Center, IA, substantial damage. Probable cause: The pilot's mismanagement of the fuel system which resulted in the loss of engine power due to fuel starvation and his failure to maintain aircraft control during the subsequent forced landing. A… - [NTSB CHI05LA213](https://openairdocs.org/ntsb/CHI05LA213), Aug 6, 2005: Weatherly 620-B (N6305W), Osage, IA, destroyed. Probable cause: The partial loss of engine power for an undetermined reason. Contributing factors were the wires and the trees. - [NTSB SEA05CA132](https://openairdocs.org/ntsb/SEA05CA132), Jun 25, 2005: Weatherly 620B (N2021V), Teton, ID, substantial damage. Probable cause: The pilot's failure to maintain clearance from power transmission lines while maneuvering. - [NTSB CHI05LA104](https://openairdocs.org/ntsb/CHI05LA104), Apr 20, 2005: Weatherly 620B (N9026F), Downs, KS, substantial damage. Probable cause: The loss of engine power due to the failure of the number two cylinder which was the result of the maintenance facility's failure to detect the fatigue crack in the number two cylinder during the… - [NTSB LAX01LA268](https://openairdocs.org/ntsb/LAX01LA268), Aug 4, 2001: Weatherly 620B (N90191), Winnemucca, NV, substantial damage. Probable cause: the pilot's failure to maintain clearance with the wires while he was maneuvering for an aerial application run. - [NTSB SEA00LA051](https://openairdocs.org/ntsb/SEA00LA051), Mar 13, 2000: Weatherly 620B (N9040V), Odell, OR, destroyed, 1 fatal. Probable cause: The pilot's failure to maintain sufficient altitude over, or clearance with, a tree. Factors contributing to the occurrence of the accident were the tree and sharply rising terrain. A factor… - [NTSB FTW99LA251](https://openairdocs.org/ntsb/FTW99LA251), Sep 2, 1999: Weatherly 620B (N4660M), Big Spring, TX, substantial damage. Probable cause: Fuel exhaustion as a result of the pilot's failure to refuel the airplane. A factor was the lack of suitable terrain for the forced landing. - [NTSB CHI99LA297](https://openairdocs.org/ntsb/CHI99LA297), Aug 8, 1999: Weatherly 201B (N197SK), Oberlin, KS, substantial damage. Probable cause: Engine failure due to an undertorqued carburetor fulcrum screw. Contributing factors were the muddy terrain and the low altitude of the aerial operation. - [NTSB CHI99LA214](https://openairdocs.org/ntsb/CHI99LA214), Jul 6, 1999: Weatherly 620B (N350WR), Timber Lake, SD, substantial damage. Probable cause: the pilots selection of the shorter runway and his failure to abort the takeoff. Factors to the accident were the high density altitude, the fence and the fence posts. - [NTSB SEA99LA089](https://openairdocs.org/ntsb/SEA99LA089), Jun 21, 1999: Weatherly 620B (N2033N), Tetonia, ID, substantial damage. Probable cause: A failure of the right magneto drive gear shaft. Factors include the absence of any suitable terrain on which to perform an emergency landing, and the rough/uneven condition of the terrain on which… - [NTSB FTW99LA149](https://openairdocs.org/ntsb/FTW99LA149), May 25, 1999: Weatherly 620B (N6305W), Whiteface, TX, substantial damage. Probable cause: The pilot's selection of unsuitable terrain for takeoff. Contributing to the accident was the soft ground and the standing water on the runway. - [NTSB LAX99LA107](https://openairdocs.org/ntsb/LAX99LA107), Feb 20, 1999: Weatherly 620B (N2014U), Yuma, AZ, destroyed, 1 fatal. Probable cause: The pilot's failure to maintain an adequate clearance from the power lines during an aerial application flight. A factor in the accident was the dark night lighting conditions. - [NTSB FTW98FA028](https://openairdocs.org/ntsb/FTW98FA028), Oct 22, 1997: Weatherly 620B (N46278), Cee Vee, TX, destroyed, 1 fatal. Probable cause: The pilot's failure to maintain clearance with the power lines during an aerial application flight. - [NTSB SEA97LA169](https://openairdocs.org/ntsb/SEA97LA169), Jul 17, 1997: Weatherly 620B (N9022H), Newdale, ID, substantial damage. Probable cause: The pilot's inadequate preflight/planning preparation which resulted in the aircraft exceeding the maximum gross weight, and inability to climb. A factor was high density altitude. - [NTSB SEA97LA074](https://openairdocs.org/ntsb/SEA97LA074), Mar 22, 1997: Weatherly 620B (N20113), Wasco, OR, substantial damage. Probable cause: the partial loss of engine power for undetermined reasons and the pilot's selection of unsuitable terrain for a precautionary landing. A factor was the rough terrain. - [NTSB FTW96LA241](https://openairdocs.org/ntsb/FTW96LA241), Jun 8, 1996: Weatherly 620B (N2004L), Dumas, TX, substantial damage. Probable cause: The failure of the right main gear torque link during landing roll as a result of its improper assembly by maintenance personnel. - [NTSB FTW95FA231](https://openairdocs.org/ntsb/FTW95FA231), Jun 6, 1995: Weatherly 620B (N20119), Flagler, CO, destroyed, 1 fatal. Probable cause: FAILURE BY THE PILOT TO MAINTAIN CLEARANCE FROM THE STATIC LINE OF A POWER TRANSMISSION ARRAY DURING AN AERIAL APPLICATION FLIGHT. - [NTSB FTW93LA177](https://openairdocs.org/ntsb/FTW93LA177), Jun 5, 1993: Weatherly 620B (N2002E), Crowley, LA, substantial damage. Probable cause: SEVERE PROPELLER AND AIRFRAME VIBRATION FOR UNDETERMINED REASONS. A FACTOR WAS THE LACK OF SUITABLE TERRAIN FOR THE FORCED LANDING. ## FAA accident and incident reports (49) 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 20250723010449A](https://openairdocs.org/incident/20250723010449A), Jul 23, 2025: Weatherly Aviation Co Inc 620B (N2032J), Ransom, MN, Substantial damage. The PIC was performing aerial application over a corn field. He stated he had made several application passes, noting no mechanical issues. The pilot said he… - [Accident 20250529004899A](https://openairdocs.org/incident/20250529004899A), May 29, 2025: Weatherly Aviation Co Inc 620B (N90393), Lewistown, MT, Substantial damage. On may 29, 2025, at 1900 MDT a Weatherly 620B conducting an aerial application flight in Lewistown, MT suffered substantial damage. On may 30, 2025 at the… - [Accident 20191017023249A](https://openairdocs.org/incident/20191017023249A), Oct 17, 2019: Weatherly Aviation Co Inc 620B (N9033T), Fabens, TX, Destroyed. On October 17, 2019, at 1404 MDT, a 1996 Weatherly Aviation Co Inc 620B, N9033T, [privacy data omitted], clipped a power line and crashed into a cotton field… - [Accident 20190902012349A](https://openairdocs.org/incident/20190902012349A), Sep 2, 2019: Weatherly Aviation Co Inc 620B (N90104), Russellville, AL, Destroyed, 1 fatal. An agricultural aircraft impacted an electrical power line immediately after spraying an agent on a cotton field . The aircraft then struck the top of a tree… - [Incident 20190415002869I](https://openairdocs.org/incident/20190415002869I), Apr 15, 2019: Weatherly Aviation Co Inc 620B (N9033T), San Miguel, NM, Minor damage. On April 15, 2019, at 1530, a Weatherly 620B, N9033T registered to roger zeledon dba valley ag, departed the runway landing to the south at stahmanns airport,… - [Accident 20170410002289A](https://openairdocs.org/incident/20170410002289A), Apr 10, 2017: Weatherly Aviation Co Inc 620B (N9004M), Lewistown, MT, Substantial damage. On April 10, 2017, at 1700 MDT, a Weatherly 620B, N9004M, registered to Skyline aviation LLC, collided with the ground at Lewistown Airport, Lewistown,… - [Accident 20161112018459A](https://openairdocs.org/incident/20161112018459A), Nov 12, 2016: Weatherly Aviation Co Inc 620B (N2035J), Coleman, TX, Substantial damage. On November 12, 2016, at 1300 CDT, a Weatherly aviation 620B aircraft bearing registration number N2035J, registered to a private owner, impacted terrain after… - [Accident 20150826014699A](https://openairdocs.org/incident/20150826014699A), Aug 26, 2015: Weatherly Aviation Co Inc 620B (N2005C), Hancock, WI, Destroyed, 1 fatal. On August 26, 2015, aircraft N2005C, a Weatherly 620B, crashed near Hancock, WI, while conducting agricultural spraying operations in VFR conditions. The pilot… - [Incident 20150820013999I](https://openairdocs.org/incident/20150820013999I), Aug 20, 2015: Weatherly Aviation Co Inc 620B (N9057T), Ontario, ID, Minor damage. During aerial application operations, the airman inadvertently contacted power lines located on the west end of the field being sprayed. The airman stated he… - [Accident 20150709009819A](https://openairdocs.org/incident/20150709009819A), Jul 9, 2015: Weatherly Aviation Co Inc 620B (N2034P), Hatch, NM, Substantial damage. On July 9, 2015 at 0745 MDT a Weatherly 620B N2034P, struck a power line and landed in a field, 8.7 miles west of Hatch, new Mexico, while doing agricultural… - [Incident 20150708010839I](https://openairdocs.org/incident/20150708010839I), Jul 8, 2015: Weatherly Aviation Co Inc 620B (N2019R), Kankakee, IL, Substantial damage. While taking off on the grass runway, (36) at benoit field (IL78) in Kankakee IL. Around 1130 CST , the aircraft lifted off but failed to climb out of ground… - [Accident 20130606011289A](https://openairdocs.org/incident/20130606011289A), Jun 6, 2013: Weatherly Aviation Co Inc 620B (N350WR), Ludlow, SD, Destroyed, 1 fatal. On 06/06/2013, at 1920 local, a 1996 Weatherly 620B owned by air kraft spraying inc. was involved in a fatal spraying accident during aerial application. VFR… - [Incident 20121028028709I](https://openairdocs.org/incident/20121028028709I), Oct 28, 2012: Weatherly Aviation Co Inc 620B (N9029J), Ness City, KS, Minor damage. While landing on runway 17 at Ness City Municipal (48K), the aircraft veered left off the left (east) side of the runway colasping the landing gear. The pilot… - [Accident 20120803019419A](https://openairdocs.org/incident/20120803019419A), Aug 3, 2012: Weatherly Aviation Co Inc 620B (N2008S), Holcomb, KS, Substantial damage. Last 14 CFR 61.56 review: 10/24/2011.operartor took off from private strip north of Holcomb, KS with load of herbicide. Approximately one mile from base, the… - [Incident 20110830018989I](https://openairdocs.org/incident/20110830018989I), Aug 30, 2011: Weatherly Aviation Co Inc 620B (N9057G), Ontario, OR, Minor damage. Lost control on landing rollout - [Incident 20110810016159I](https://openairdocs.org/incident/20110810016159I), Aug 10, 2011: Weatherly Aviation Co Inc 620B (N2037E), Miles City, MT, Minor damage. Aircraft lost power on spray run. Pilot could not maintain altitude and executed an emergency landing in the adjacent field. Minor damage to aircraft and no… - [Accident 20110730016639A](https://openairdocs.org/incident/20110730016639A), Jul 30, 2011: Weatherly Aviation Co Inc 620B (N90181), Hettinger, ND, Substantial damage. Airacrat involved in arial spray operations when engine top cylinder barrel seperated from the head and caused oil to blow back on windscreeen, forcing pilot… - [Incident 20100608005209I](https://openairdocs.org/incident/20100608005209I), Jun 8, 2010: Weatherly A 620B (N65876), Hereford, TX, Minor damage. On June 8, 2010 at approximately 08:30 CDT, while making a spray run, the aircraft struck a sprinkler system. The pilot proceeded back to the airport to land.… - [Accident 20090720020129A](https://openairdocs.org/incident/20090720020129A), Jul 20, 2009: Wthrly 620B (N2027K), New England, ND, Substantial damage. During aerial applicaton work, while performing a right hand turn, the engine lost power while turning near known terrain (a butte). Aircraft lost enough power… - [Accident 20080904845889A](https://openairdocs.org/incident/20080904845889A), Sep 4, 2008: Wthrly 620B (N2036U), Atkinson, NE, Substantial damage. (-23) After refueling and loading with chemicals, the aircraft returned to a field approximately seven miles west of o'neill, Nebraska. While in a turn after… - [Accident 20080413832109A](https://openairdocs.org/incident/20080413832109A), Apr 13, 2008: Wthrly 620B (N2035J), Coleman, TX, Substantial damage. (-23) N2035J landed on a dirt strip 12 statue miles north east of Coleman TX. The orientation of the air strip is approximately 200 degrees/020 degrees with… - [Accident 20070712826509A](https://openairdocs.org/incident/20070712826509A), Jul 12, 2007: Wthrly 620B (N9026E), Wyoming, IL, Destroyed, 1 fatal. (-23) On July 12, 2007, at 1939 central daylight time, a weatherly 620B, N9026E, collided with power lines during an aerial application flight in Wyoming,… - [Incident 20070621826319I](https://openairdocs.org/incident/20070621826319I), Jun 21, 2007: Wthrly 620B (N9020W), Freeman, SD, Minor damage. (-23) On June 21st at approximately 8:00 pm aircraft N9020W took off from a Private strip at Freeman, SD and struck a berm which broke one main landing gear… - [Incident 20070308002879I](https://openairdocs.org/incident/20070308002879I), Mar 8, 2007: Wthrly 620B (N9001F), Hereford, TX, Minor damage. (-23) On March 8, 2007, at 1100 CST, commercial pilot [privacy data omitted] was conducting agricultural aircraft spraying operations under title 14 CFR 137 in… - [Accident 20060808017629A](https://openairdocs.org/incident/20060808017629A), Aug 8, 2006: Wthrly 620B (N9012P), Hull, IA, Substantial damage. (-23) The aircraft was conducting aerial application operations when the engine failed at approximately 200 feet AGL. While attempting an emergency landing in… - [Incident 20060617015679I](https://openairdocs.org/incident/20060617015679I), Jun 17, 2006: Wthrly 620B (N90036), Britton, SD. (-23) On June 17, 2006, the pilot [privacy data omitted] was operating N90036, weatherly 620-B, near Britton, SD. Upon climbing from field/spray run, pilot was… - [Incident 20060604019939I](https://openairdocs.org/incident/20060604019939I), Jun 4, 2006: Wthrly 620B (N9026E), Pigeon, MI, Minor damage. (-23) On June 04, 2006 the pilot [privacy data omitted] was conducting operations under 14 CFR part 137 when his aircraft contacted a detroit edison power line… - [Incident 20060512013359I](https://openairdocs.org/incident/20060512013359I), May 12, 2006: Wthrly 620B (N9019G), Smith Center, KS, Minor damage. (-23) On may 12, 2006, N9019G, a weatherly 620B, piloted by [privacy data omitted] was involved in an unscheduled off airport landing. N9019G is owned by shaw… - [Accident 20050806020499A](https://openairdocs.org/incident/20050806020499A), Aug 6, 2005: Wthrly 620B (N6305W), Osage, IA, Destroyed. (-23) Aircraft departed Osage Municipal Airport with full fuel tanks (approximately 90 gallons) and 200 gallons of liquid insecticide and was not able to gain… - [Accident 20050625013019A](https://openairdocs.org/incident/20050625013019A), Jun 25, 2005: Wthrly 620B (N2021V), Rexburg, ID, Substantial damage. (-23) During descent into a field that was being sprayed the aircraft encountered turbulence and settled into the top wire of a 3 string power line causing the… - [Accident 20050420007549A](https://openairdocs.org/incident/20050420007549A), Apr 20, 2005: Wthrly 620B (N9026F), Downs, KS, Substantial damage. (-23) At approximately 1830 (local time) on 20 April 2005, during agricultural spraying operations, aircraft registration number N9026F developed an engine… - [Incident 20020710020979I](https://openairdocs.org/incident/20020710020979I), Jul 10, 2002: Wthrly 620B (N9012P), Jonesbore, AR, Minor damage. (-23) On July 10, 2002, at 1438 CDT, a weatherly 620B, N9012P lost engine poewr after a turnaround maneuver. The pilot was forced to land in a rice field. The… - [Accident 20010804019309A](https://openairdocs.org/incident/20010804019309A), Aug 4, 2001: Wthrly 620B (N90191), Winnemucca, NV, No damage. (.19) On August 4, 2001, about 0545 hours pacific daylight time, a weatherly 620B, N90191, was substantially damaged when it collided with power lines while… - [Incident 20010717018119I](https://openairdocs.org/incident/20010717018119I), Jul 17, 2001: Wthrly 620B (N2035N), Bainville, MT, Minor damage. (-23) Pilot stated that while spraying a beet field, the engine failed. Forced landing-straight ahead from 4' above ground, minor damage to skin on underside… - [Accident 20000313006169A](https://openairdocs.org/incident/20000313006169A), Mar 13, 2000: Wthrly 620B (N9040V), Odell, OR, No damage, 1 fatal. (-23) As reported by witnesses, the a/c was performing aerial applications when the left wing impacted a tree. The impact caused the left wing to separate from… - [Accident 19990902045069A](https://openairdocs.org/incident/19990902045069A), Sep 2, 1999: Wthrly 620B (N4660M), Big Spring, TX, No damage. (-23) On September 2, 1999, Mr. Ward aaron mills, a commercial rated pilot with a certificate number 522528992 was involved in a aircraft accidentof a… - [Accident 19990808026749A](https://openairdocs.org/incident/19990808026749A), Aug 8, 1999: Wthrly 620B (N197SK), Oberlin, KS, Substantial damage. (.19) On August 8, 1999, at 0745 central daylight time, a weatherly 201B, operated and piloted by a commercial pilot impacted terrain following a partial loss… - [Accident 19990706008359A](https://openairdocs.org/incident/19990706008359A), Jul 6, 1999: Wthrly 620B (N350WR), Timber Lake, SD, Substantial damage. Acft crashed 1/2 mile from the arpt after take-off, other circumstances ar e unknown. (.19) on July 6, 1999, at 1240 mountain daylight time, a weatherly 620B,… - [Accident 19990621007459A](https://openairdocs.org/incident/19990621007459A), Jun 21, 1999: Wthrly 620B (N2033N), Tetonia, ID, Substantial damage. Acft crashed while transitioning from the aerial application field to the company airstrip, other circumstances are unknown. (From .19) on June 21, 1999,… - [Incident 19990619026589I](https://openairdocs.org/incident/19990619026589I), Jun 19, 1999: Wthrly 620B (N2028D), White Lake, SD. (-23) During aerial application, the engine experienced internal mechanical failure. The connecting rod broke causing the engine to lose power and fail. The… - [Accident 19990525005629A](https://openairdocs.org/incident/19990525005629A), May 25, 1999: Wthrly 620B (N6305W), Whiteface, TX, Substantial damage. Acft wheels dug into mud on take-off, and the acft flipped over, other circumstances are unknown. (.19) on may 25, 1999, at approximately 1030 central daylight… - [Accident 19990219001579A](https://openairdocs.org/incident/19990219001579A), Feb 19, 1999: Wthrly 620B (N2014U), Yuma, AZ, Destroyed, 1 fatal. Acft was involved in aerial application when it struck power lines. Nose-dived into a field, caught fire, and was destroyed. The pilot/sole occupant suffered… - [Accident 19980706047309A](https://openairdocs.org/incident/19980706047309A), Jul 6, 1998: Wthrly 620B (N2014U), Winnemucca, NV, No damage. (-23) None, pilot involved in fatal accident feb 1999. - [Accident 19971022030799A](https://openairdocs.org/incident/19971022030799A), Oct 22, 1997: Wthrly 620B (N46278), Cee Vee, TX, Destroyed. Acft struck power lines and impacted groundand burned, pilot suffered fatal inj. Cee Vee, TX. (-23) while spraying a cotton field airman tried to pass over… - [Accident 19970717018769A](https://openairdocs.org/incident/19970717018769A), Jul 17, 1997: Wthrly 620 (N9022H), New Dale, ID, Substantial damage. Aircraft took off and settled into a field one mile from runway. - [Accident 19970322003499A](https://openairdocs.org/incident/19970322003499A), Mar 22, 1997: Wthrly 620B (N20113), Wasco, OR, Substantial damage. Aerial application when experienced mechanical problem, attempted to land in a field. Crashed. (.4)the pilot stated that his engine began running roughly while… - [Accident 19960608013059A](https://openairdocs.org/incident/19960608013059A), Jun 8, 1996: Wthrly 620 (N2004L), Dumas, TX, Substantial damage. Upon landing, landing gear assembly bolt failed and aircraft flipped over on its back. (-23) N2004L was returning empty from aerial application flight. After… - [Accident 19950606048419A](https://openairdocs.org/incident/19950606048419A), Jun 6, 1995: Wthrly 620 (N20119), Flagler, CO, Destroyed, 1 fatal. (-16) On June 6, 1995 at 1400 MDT, a weatherly 620B, N20119, collided with power lines while conducting aerial application near Flagler, Colorado. The pilot… - [Accident 19930605016859A](https://openairdocs.org/incident/19930605016859A), Jun 5, 1993: Wthrly 620TP (N2002E), Crowley, LA, Substantial damage. On liftoff plane shook and settled. Impacted. Climbed. Settled. Hit levee. Pilot beleived prop problem. None found. ## Service difficulty reports (16) As reported by operators and repair stations, by the model named in the report. - [SDR CA150527006](https://openairdocs.org/sdr/CA150527006), May 22, 2015: CONTROL CABLE. FRAYED. (CAN) DURING ITS ANNUAL INSPECTION, THE LT RUDDER CABLE ASSEMBLY WAS FOUND WORN & FRAYED ON THE AFT PULLEY. THE RT RUDDER CABLE WAS FOUND TO BE WORN OUT & FRAYE - [SDR CA141015007](https://openairdocs.org/sdr/CA141015007), Oct 15, 2014: ATTACH ANGLE. LOOSE. (CAN) WHILE CARRYING OUT AN ANNUAL INSPECTION, ALL RIVETS THOUGH THE HORIZONTAL STABILIZER ATTACH ANGLES (LONGERONS) AND DIRECTLY ADJACENT TO ALL FOUR STABILIZE - [SDR CA141015006](https://openairdocs.org/sdr/CA141015006), Oct 15, 2014: RIB. CRACKED. (CAN) ANNUAL INSPECTION REVEALED CRACKS IN THE MAJORITY OF BOTH THE LH AND RH WING LEADING EDGE NOSE RIBS, CRACKS EMANATE FROM THE AFT PORTION OF THE UPPER AND - [SDR CA100730007](https://openairdocs.org/sdr/CA100730007), Jul 30, 2010: BLADE. SEPARATED. PROPELLER RECEIVED FROM CUSTOMER WITH APPROX 5" OF BLADE MISSING FROM NR2 BLADE TIP (S/N H89522). PROPELLER DISMANTLED, CLEANED, CLAMPS AND HUB SPIDER MPI INSPE - [SDR 2010FA0000208](https://openairdocs.org/sdr/2010FA0000208), Feb 8, 2010: RIB. CRACKED. MOST L/E RIBS CRACKED AT UPPER AND LOWER AFT CORNERS WHERE ATTACHED TO FWD HINGED HALF. 50 PERCENT TO LT WING RIBS WERE CRACKED AS WERE 90 PERCENT OF RT WING RI - [SDR HNJ2008F00000](https://openairdocs.org/sdr/HNJ2008F00000), Feb 4, 2008: SPAR. CRACKED. LT AILERON SPAR CRACKED AT CENTER AND OB HINGE BRACKET ATTACH POINTS. POSSIBLY DUE TO TWISTING EFFECT OF AILERON ACTUATOR INSTALLED AT EXTREME IB END OF AILERON - [SDR 2005FA0000782](https://openairdocs.org/sdr/2005FA0000782), May 11, 2005: CYLINDER HEAD. SEPARATED. DURING SPRAYING OPERATION, THE AIRCRAFT WAS CLIMBING INTO A RT TURN. THE PILOT HEARD A LOUD BANG, AND THE ENGINE BEGAN RUNNING EXTREMELY ROUGH. THE AIRCRAFT MAD - [SDR 2002FA0000423](https://openairdocs.org/sdr/2002FA0000423), Mar 25, 2002: BULKHEAD. CRACKED. DURING ANNUAL INSPECTION FOUND FUSELAGE BELLY PAN BULKHEAD (PN 50351-101) CRACKED UPPER LEFT AND RIGHT CORNER. THIS AREA IS HARD TO SEE WITHOUT FLASHLIGHT AND M - [SDR 2002FA0000422](https://openairdocs.org/sdr/2002FA0000422), Mar 25, 2002: BULKHEAD. CRACKED. DURING ANNUAL INSPECTION FOUND FUSELAGE BELLY PAN BULKHEAD (PN 50351-101) CRACKED UPPER LEFT AND RIGHT CORNER. THIS AREA IS HARD TO SEE WITHOUT FLASHLIGHT AND M - [SDR 2002FA0000421](https://openairdocs.org/sdr/2002FA0000421), Mar 25, 2002: BULKHEAD. CRACKED. DURING ANNUAL INSPECTION FOUND FUSELAGE BELLY PAN BULKHEAD (PN 50351-101) CRACKED UPPER LEFT AND RIGHT CORNER. THIS AREA IS HARD TO SEE WITHOUT FLASHLIGHT AND M - [SDR TYW2002F00000](https://openairdocs.org/sdr/TYW2002F00000), Feb 7, 2002: BLADE. FAILED. 11 INCHES SEPRATED FROM ONE PROPELLER BLADE DURING FLIGHT. AIRCRAFT WAS SPRAYING A CROP AND WAS IN A TURN WHEN BLADE TIP SEPARATED. - [SDR 2001FA0000255](https://openairdocs.org/sdr/2001FA0000255), Jul 25, 2001: VALVE SPRING. BROKEN. ENGINE BEGAN BACKFIRING AND POWER DECREASED, AIRCRAFT LANDED AS A RESULT OF RUNNING THROUGH A FENCE. FOUND NR 1 CYLINDER INTAKE VALVE SPRINGS BROKEN. REPLACED S - [SDR AU001056](https://openairdocs.org/sdr/AU001056), Oct 24, 2000: PISTON. WRONG PART. (AUS) INCORRECT PISTONS FITTED TO NR 4 AND NR 7 CYLINDERS. THE PISTONS WERE UNDRILLED AND ARE ONLY USED IN NR 5 AND NR 6 CYLINDERS. THE ENGINE HAD BEEN OVERHAUL - [SDR 20000925SH021](https://openairdocs.org/sdr/20000925SH021), Sep 25, 2000: SCREW. LOOSE. CARBURETOR FLOAT FULCRUM SCREW WAS FOUND LOOSE ON ANNUAL INSPECTION. BRASS THREADS WERE FOUND WORN. REPLACED FULCRUM SCREW, PROPERLY INSTALLED NEW SCREW AND SAF - [SDR 20000925SH023](https://openairdocs.org/sdr/20000925SH023), Sep 1, 1999: SCREW. LOOSE. CARBURETOR FLOAT FULCRUM SCREW VIBRATED LOOSE CAUSING FLOAT TO STICK. AIRCRAFT ENGINE BEGAN RUNNING ROUGH. AIRCRAFT SUCCESSFULLY RETURNED TO FIELD. FULCRUM SCRE - [SDR 20000925SH022](https://openairdocs.org/sdr/20000925SH022), Aug 8, 1999: SCREW. LOOSE. CARBURETOR FLOAT FULCRUM SCREW SAFETY WIRE VIBRATED THROUGH BACKING OUT FULCRUM SCREW FOR FLOAT. ENGINE QUIT RUNNING CAUSING FORCED LANDING. AIRCRAFT SUSTAINED ## STCs that may be installed (OpenAirDocs) (33) 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 SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC - [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC - [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc - [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc - [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation - [STC SA5190NM](https://openairdocs.org/stc/SA5190NM): Installation of Gustin Aviation chip detector light system. A & L Aircraft Parts Inc - [STC SA01282NY](https://openairdocs.org/stc/SA01282NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830. Airwolf Filter Corporation - [STC SA2586NM](https://openairdocs.org/stc/SA2586NM): Installation of J.P. Instruments temperature monitoring systems. J P Instruments - [STC SA02283SE PAGE 2](https://openairdocs.org/stc/SA02283SE%20PAGE%202): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P. Electronics International Inc - [STC SA02402SE PAGE 2](https://openairdocs.org/stc/SA02402SE%20PAGE%202): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C. Electronics International Inc - [STC SA00432SE](https://openairdocs.org/stc/SA00432SE): Installation of EGT 701 series fuel flow instrument. J P Instruments - [STC SA00861SE](https://openairdocs.org/stc/SA00861SE): Installation of J.P. Instruments (JPI) fuel flow indicating system. J P Instruments - [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories. Electronics International Inc - [STC SA01988SE](https://openairdocs.org/stc/SA01988SE): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) MVP-50P. Electronics International Inc - [STC SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. Electronics International - [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 SA02475AT](https://openairdocs.org/stc/SA02475AT): Install Sankyo (Sanden) SD505 air conditioner. Approval limited to Weatherly Model 620B serial number 1592 ONLY. Priewe Conrad - [STC SA330NW](https://openairdocs.org/stc/SA330NW): Installation of automatic flagman model no 4. R-S Sales Inc - [STC SA02168AK](https://openairdocs.org/stc/SA02168AK): Installation of hourmeter airspeed switch. For unpressurized aircraft only. Pressurized aircraft must have pressurization system deactivated. Avalaska Inc - [STC SA2687NM](https://openairdocs.org/stc/SA2687NM): Installation of Truboplus/ Electronics Int'l gauges and switches. Aero Manufacturing Inc - [STC SA00458SE](https://openairdocs.org/stc/SA00458SE): Fabrication and installation of vortex generators mounted on wings. Aeronautical Testing Service Inc - [STC SA00444SE](https://openairdocs.org/stc/SA00444SE): Install vortex generators on wings. Micro AeroDynamics Inc - [STC SA00477WI](https://openairdocs.org/stc/SA00477WI): Installation of a Compro Driftfinder DFS-10 to system which injects oil into engine exhaust to produce smoke to determine wind speed and direction. Compro Aviation Inc - [STC ST00368WI](https://openairdocs.org/stc/ST00368WI): Installation of scavenger engine oil filter. Weatherly Aviation Company - [STC SA00368WI](https://openairdocs.org/stc/SA00368WI): Installation of scavanger engine oil filter. AG Flight Incorporated - [STC SA5895NM](https://openairdocs.org/stc/SA5895NM): Installation of an air conditioner. Weatherly Aviation Company - [STC SA1626NM PAGE 2](https://openairdocs.org/stc/SA1626NM%20PAGE%202): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International - [STC SA2350NM PAGE 2](https://openairdocs.org/stc/SA2350NM%20PAGE%202): Installation of Electronics International Inc digital carburetor/outside air temperature gauges. Electronics International - [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International - [STC SA2423SO](https://openairdocs.org/stc/SA2423SO): Installation of Chemical Evacuation System to remove residue from the agricultural spray dispersal system. Paul S Woods - [STC SA3862NM PAGE 2](https://openairdocs.org/stc/SA3862NM%20PAGE%202): Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories. Electronics International - [STC SA2190NM PAGE 2](https://openairdocs.org/stc/SA2190NM%20PAGE%202): Installation of electronics International Digital Volt/Amp Gauges and Accessories. Electronics International - [STC SA2350NM](https://openairdocs.org/stc/SA2350NM) (historical): Installation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories. Electronics International --- 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.