# NTSB investigations, IA NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. Page 9 of 45 · 2,216 cases ## Cases, newest first - [NTSB CHI99LA207](https://openairdocs.org/ntsb/CHI99LA207.md): Piper J-3C · Independence, IA · Accident · No injuries · Limited investigation · Final report · Jul 2, 1999 · N3371N · Substantial damage > The insufficient information from the weather forecast resulting in an in-flight encounter with turbulence/gusts and the subsequent precautionary landing. Contributing factors were the gusty/turbulent conditions and the terrain condition (crop). - [NTSB CHI99LA187](https://openairdocs.org/ntsb/CHI99LA187.md): Grumman AA-5KB · Iowa City, IA · Accident · Minor injuries · Limited investigation · Final report · Jun 17, 1999 · N4531R · Substantial damage > the pilot stalled the airplane. Factors included the instructor pilot's inadequate preflight briefing and improper in flight decision. - [NTSB CHI99LA179](https://openairdocs.org/ntsb/CHI99LA179.md): Piper PA-28-140 · Traer, IA · Accident · Minor injuries · Limited investigation · Final report · Jun 8, 1999 · N4525R · Substantial damage > The pilot's not maintaining proper runway alignment during the aborted takeoff, and the airport personnel not maintaining the runway. Factors were rough terrain and a dirt bank. - [NTSB CHI99LA150](https://openairdocs.org/ntsb/CHI99LA150.md): Beech A-36 · Buffalo Center, IA · Accident · No injuries · Limited investigation · Final report · May 9, 1999 · N53LE · Substantial damage > The pilot not attaining a proper touchdown point and not performing a go around. Factors were the wet grass and the tailwin. - [NTSB CHI99FA147](https://openairdocs.org/ntsb/CHI99FA147.md): Taylorcraft BC-12D · Newton, IA · Accident · 1 fatal · Field investigation · Final report · May 9, 1999 · N96876 · Substantial damage > the failure of the pilot to maintain flying speed resulting in a stall and spin into the ground. - [NTSB CHI99IA136](https://openairdocs.org/ntsb/CHI99IA136.md): McDonnell Douglas DC-9-32 · Dubuque, IA · Incident · No injuries · Incident investigation · Final report · Apr 9, 1999 · N205ME · No damage > the frozen elevator control. Factors to the incident were the rain and the low temperature. - [NTSB CHI99LA119](https://openairdocs.org/ntsb/CHI99LA119.md): Piper PA-28-161 · Ankeny, IA · Accident · No injuries · Limited investigation · Final report · Mar 28, 1999 · N82164 · Substantial damage > The student pilot's failure to maintain directional control during landing. - [NTSB CHI99LA114](https://openairdocs.org/ntsb/CHI99LA114.md): Piper PA-31-350 · Waterloo, IA · Accident · No injuries · Limited investigation · Final report · Mar 24, 1999 · N812TB · Substantial damage > the pilot's failure to maintain directional control. - [NTSB CHI99FA052](https://openairdocs.org/ntsb/CHI99FA052.md): Cessna 152 · Sherrill, IA · Accident · 1 fatal · Field investigation · Final report · Dec 17, 1998 · N5314B · Destroyed > the pilot continued flying with a known discrepancy and he failed to maintain airspeed and lost control of the airplane while attempting a forced landing. Factors included the tailwind and the undetermined loss of power. - [NTSB CHI99LA045](https://openairdocs.org/ntsb/CHI99LA045.md): Beech 58 · Ankeny, IA · Accident · Minor injuries · Limited investigation · Final report · Dec 3, 1998 · N7278R · Substantial damage > the elevator control system jammed for undetermined reasons. - [NTSB CHI99LA034](https://openairdocs.org/ntsb/CHI99LA034.md): Piper PA-12 · Carrol, IA · Accident · No injuries · Limited investigation · Final report · Nov 22, 1998 · N92585 · Substantial damage > the pilot's inadequate preflight inpection of the fuel tanks and filler neck caps before departure. Factors associated with this accident were the leaking right wing fuel tank filler cap and fuel exhaution. - [NTSB CHI99LA032](https://openairdocs.org/ntsb/CHI99LA032.md): Piper PA-28-180 · Iowa Falls, IA · Accident · No injuries · Limited investigation · Final report · Nov 22, 1998 · N2691T · Substantial damage > the pilot's improper preflight planning and preparation, and his not refueling the airplane. Factors were fuel exhaustion and the fence. - [NTSB CHI99LA012](https://openairdocs.org/ntsb/CHI99LA012.md): Hiller UH-12C · Clinton, IA · Accident · No injuries · Limited investigation · Final report · Oct 24, 1998 · N9739C · Substantial damage > the failure of the 90 degree gearbox for reasons undetermined. Factors were the failure of the gearbox, and it not being possible for the pilot to maintain control of the aircraft. - [NTSB CHI98LA362](https://openairdocs.org/ntsb/CHI98LA362.md): Piper PA-28-140 · Iowa City, IA · Accident · Minor injuries · Limited investigation · Final report · Sep 27, 1998 · N7353J · Substantial damage > A loss of engine power for undetermined reasons. - [NTSB CHI98LA346](https://openairdocs.org/ntsb/CHI98LA346.md): Needham Glastar · Allison, IA · Accident · No injuries · Limited investigation · Final report · Aug 30, 1998 · N37JN · Substantial damage > The pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall. - [NTSB CHI98LA328](https://openairdocs.org/ntsb/CHI98LA328.md): Beech B35 · Iowa City, IA · Accident · No injuries · Limited investigation · Final report · Aug 23, 1998 · N5210C · Substantial damage > The fuel starvation due to improper fuel management by the pilot-in-command. Also, the aircraft procedures and directives which were not followed by the pilot-in-command is an additional cause. The rough and uneven terrain in addition to the low altitude of… - [NTSB CHI98FA323](https://openairdocs.org/ntsb/CHI98FA323.md): Bell 222 · Spencer, IA · Accident · 3 fatal · Field investigation · Final report · Aug 21, 1998 · N30SV · Destroyed > The below standard (loose) fit of the 'white' swashplate outer ring pin resulting in fatigue and subsequent separation of the pin, and ultimately the in-flight breakup of the rotorcraft. A factor was the manufacturer's dissemination of the pin which did not… - [NTSB CHI98FA309](https://openairdocs.org/ntsb/CHI98FA309.md): Piper PA-28R-200 · New Hampton, IA · Accident · 3 fatal · Field investigation · Final report · Aug 10, 1998 · N9350N · Destroyed > The pilot's inadequate preflight/planning inspection and his continued flight into known adverse weather conditions that led to spatial disorientation and loss of aircraft control. Also causal was the pilot exceeded the design limits of the airplane causing… - [NTSB CHI98LA252](https://openairdocs.org/ntsb/CHI98LA252.md): Piper PA28-151 · Anthon, IA · Accident · Serious injuries · Limited investigation · Final report · Jul 15, 1998 · N1473X · Substantial damage > The pilot-in-command's improper preflight planning, preparation and fuel management resulting in an unscheduled landing and impact with a pole. - [NTSB CHI98LA250](https://openairdocs.org/ntsb/CHI98LA250.md): Canadian Car & Foundry Harvard MK IV · Dyersville, IA · Accident · Minor injuries · Limited investigation · Final report · Jul 14, 1998 · N5101W · Substantial damage > the pilot in command's not maintaining control of the airplane and his inadvertently allowing the airplane to enter a stall. A factor was the undetermined loss of engine power. - [NTSB CHI98FA244](https://openairdocs.org/ntsb/CHI98FA244.md): Stubbe-Kitfox Classic · Traer, IA · Accident · 1 fatal · Field investigation · Final report · Jul 12, 1998 · N494S · 2 aircraft · Destroyed > the failure of the pilot of the Kitfox to maintain flying speed (Vs). - [NTSB CHI98LA203](https://openairdocs.org/ntsb/CHI98LA203.md): Piper PA28-151 · Jefferson, IA · Accident · No injuries · Limited investigation · Final report · Jun 17, 1998 · N6771F · Substantial damage > the pilot's lack of total experience in this type of aircraft and his failure to maintain directional control during an aborted takeoff. A factor was the ditch. - [NTSB CHI98LA186](https://openairdocs.org/ntsb/CHI98LA186.md): Sheets Kitfox II · Greenfield, IA · Accident · Minor injuries · Limited investigation · Final report · Jun 2, 1998 · N487JS · Destroyed > the initial climb airspeed not obtained/maintained after liftoff by the pilot in command. A factor was the improper compensation for wind conditions by the pilot in command. - [NTSB CHI98LA184](https://openairdocs.org/ntsb/CHI98LA184.md): Balloon Works Firefly 7-15 · Waterloo, IA · Accident · No injuries · Limited investigation · Final report · May 30, 1998 · N25491 · Substantial damage > The pilot's failure to maintain clearance with the power lines during climb. A factor was the power lines. - [NTSB CHI98LA142](https://openairdocs.org/ntsb/CHI98LA142.md): Bombardier Rans S-9 · Waukee, IA · Accident · 1 fatal · Limited investigation · Final report · May 7, 1998 · N5360D · Substantial damage > the pilot's failure to maintain control of the airplane which resulted in a stall while performing intentional buzzing maneuvers. - [NTSB CHI98LA103](https://openairdocs.org/ntsb/CHI98LA103.md): Cessna 310Q · Council Bluffs, IA · Accident · Minor injuries · Limited investigation · Final report · Mar 16, 1998 · N1521T · Substantial damage > the pilot's failure to maintain proper runway alignment during the landing. The dark night was a factor. - [NTSB CHI98LA098](https://openairdocs.org/ntsb/CHI98LA098.md): Cessna 402B · Mason City, IA · Accident · Minor injuries · Limited investigation · Final report · Feb 27, 1998 · N108RS · Substantial damage > the accumulation of airframe ice during flight, and failure of the pilot to attain a proper flare for landing. Factors relating to the accident were: the adverse weather (icing) condition; and the pilot's limited forward visibility, due to ice on the… - [NTSB CHI98LA077](https://openairdocs.org/ntsb/CHI98LA077.md): Piper PA-34-220T · Winterset, IA · Accident · No injuries · Limited investigation · Final report · Jan 2, 1998 · N8350Z · Substantial damage > The pilot misjudging his airspeed on final approach, resulting in a long touchdown and insufficient distance to stop on the remaining runway available. - [NTSB CHI98LA075](https://openairdocs.org/ntsb/CHI98LA075.md): Piper PA-28-161 · Boone, IA · Accident · No injuries · Limited investigation · Final report · Dec 31, 1997 · N8465F · Substantial damage > failure of the pilot to maintain sufficient altitude/clearance from obstruction(s), while flying low over a river. The obstruction (power line) was a related factor. - [NTSB CHI98LA050](https://openairdocs.org/ntsb/CHI98LA050.md): Cessna 402B · Spencer, IA · Accident · No injuries · Limited investigation · Final report · Nov 29, 1997 · N22NC · Substantial damage > The pilot failure to comply with the prescribed IFR procedure and his not following his company's operations specifications. Low clouds and fog were are contributing factors. - [NTSB CHI98LA015](https://openairdocs.org/ntsb/CHI98LA015.md): Reed-Madsen Taylor Bird · Humboldt, IA · Accident · No injuries · Limited investigation · Final report · Oct 5, 1997 · N12121 · Substantial damage > the failure of the pilot-in-command to attain airspeed and maintain control of the aircraft, resulting in a stall/mush. - [NTSB CHI97LA288](https://openairdocs.org/ntsb/CHI97LA288.md): Beech 35-C33A · Amana, IA · Accident · No injuries · Limited investigation · Final report · Sep 7, 1997 · N5729V · Substantial damage > the pilot's improper planning/decision. The fence (location) was a related factor. - [NTSB CHI97LA291](https://openairdocs.org/ntsb/CHI97LA291.md): Cessna 177B · Oxford, IA · Accident · No injuries · Limited investigation · Final report · Sep 6, 1997 · N34829 · Substantial damage > the instructor pilot's improper recovery from a bounced landing and his failure to maintain control of the airplane. Factors were the improper flare by the dual student and the instructor pilot's lack of familiarity with the airplane. - [NTSB CHI97LA280](https://openairdocs.org/ntsb/CHI97LA280.md): Piper PA-28 · Monona, IA · Accident · No injuries · Limited investigation · Final report · Sep 1, 1997 · N6566W · Substantial damage > the pilot's improper in-flight planning/decision, and subsequently, his not being able to attain remedial action to avoid impact with the terrain. A related factor was the downdraft. - [NTSB CHI97LA275](https://openairdocs.org/ntsb/CHI97LA275.md): Bucker Flugzeugbau Jungmann · Blakesburg, IA · Accident · Minor injuries · Limited investigation · Final report · Sep 1, 1997 · N131G · Substantial damage > Loss of engine power for undetermined reasons. - [NTSB CHI97LA277](https://openairdocs.org/ntsb/CHI97LA277.md): Hughes 269A · Council Bluffs, IA · Accident · Serious injuries · Limited investigation · Final report · Aug 31, 1997 · N7058T · Destroyed > inadequate supervision by the designated examiner by failing to ensure a timely autorotation recovery was initiated. A related factor was: the student pilot allowed the rotor rpm to diminish after the examiner simulated a loss of engine power. - [NTSB CHI97LA266](https://openairdocs.org/ntsb/CHI97LA266.md): Swearingen SA226TC · Des Moines, IA · Accident · Minor injuries · Limited investigation · Final report · Aug 20, 1997 · N224AM · Substantial damage > the pilot's improper in-flight planning/decision and failure to perform the emergency procedure for shut-down of the right engine. Factors relating to the accident were: the power lever cable became disconnected from the fuel control unit, due to improper… - [NTSB CHI97LA250](https://openairdocs.org/ntsb/CHI97LA250.md): Cessna 172M · Keokuk, IA · Accident · No injuries · Limited investigation · Final report · Aug 6, 1997 · N13353 · Substantial damage > the pilot's improper flare and improper recovery from a bounced landing, which resulted in a porpoise, failure (collapse) of the nose gear, and a subsequent nose over. - [NTSB CHI97LA229](https://openairdocs.org/ntsb/CHI97LA229.md): Piper PA-28-140 · Mapleton, IA · Accident · Minor injuries · Limited investigation · Final report · Jul 26, 1997 · N1690J · Substantial damage > the loss of engine power for undetermined reasons. A factor was the cornfield in which the pilot was forced to land. - [NTSB CHI97LA214](https://openairdocs.org/ntsb/CHI97LA214.md): Cessna 172 · Ottumwa, IA · Accident · No injuries · Limited investigation · Final report · Jul 16, 1997 · N733FT · Substantial damage > the improper flare performed by the student and the inadequate recovery from the bounced landing. A factor related to the accident was the student lack of experience. - [NTSB CHI97GA166](https://openairdocs.org/ntsb/CHI97GA166.md): Hughes 269A-1 · Cedar Rapids, IA · Accident · Serious injuries · Final report · Jun 12, 1997 · N1020U · Destroyed > loss of engine power due to undetermined reason(s). Related factors included the obstructions (building, utility pole, and transmission wires); and the lack of a functional windsock, due to inadequate facility maintenance by the operator. - [NTSB CHI97LA155](https://openairdocs.org/ntsb/CHI97LA155.md): Cessna 150 · Woodbine, IA · Accident · No injuries · Limited investigation · Final report · May 31, 1997 · N60971 · Substantial damage > The pilot's inadequate preflight planning and preparation. Factors were the high temperature and high vegetation. - [NTSB CHI97LA132](https://openairdocs.org/ntsb/CHI97LA132.md): Piper PA-24-250 · Correctionville, IA · Accident · No injuries · Limited investigation · Final report · May 11, 1997 · N7729P · Substantial damage > the pilot's inadequate compensation for wind conditions, while taxiing, which resulted in loss of aircraft control, an encounter with terrain, and subsequent failure of the left main landing gear. The unfavorable wind condition was a related factor. - [NTSB CHI97LA118](https://openairdocs.org/ntsb/CHI97LA118.md): Hughes 269A · Council Bluffs, IA · Accident · No injuries · Limited investigation · Final report · Apr 27, 1997 · N1040S · Substantial damage > failure of the student pilot to maintain directional control, inadequate supervision by the flight instructor (CFI), and subsequent failure of the pilot(s) to properly flare the helicopter during a hover autorotation. - [NTSB CHI97LA113](https://openairdocs.org/ntsb/CHI97LA113.md): Cessna 185 · Pella, IA · Accident · No injuries · Limited investigation · Final report · Apr 24, 1997 · N4641E · Substantial damage > the pilot's selection of an unsuitable area for the landing. A factor relating to the accident was: the soft landing surface of the farm strip. - [NTSB CHI97LA097](https://openairdocs.org/ntsb/CHI97LA097.md): Piper PA-28-235 · Des Moines, IA · Accident · No injuries · Limited investigation · Final report · Apr 2, 1997 · N9004W · Substantial damage > oil contamination and starvation due to the inadequate maintenance inspection of the pilot/owner. Factors included the deterioration of the piston pin plug, the connecting rod failure, and the unsuitable terrain for landing. - [NTSB CHI97LA094](https://openairdocs.org/ntsb/CHI97LA094.md): Cessna 195 · Cedar Rapids, IA · Accident · No injuries · Limited investigation · Final report · Mar 27, 1997 · N4666T · Substantial damage > overload failure of the left main landing gear for undetermined reason(s). A factor associated with the accident was the gusty crosswind condition. - [NTSB CHI97IA072](https://openairdocs.org/ntsb/CHI97IA072.md): McDonnell Douglas DC-9-15 · Des Moines, IA · Incident · No injuries · Incident investigation · Final report · Feb 20, 1997 · N93S · Minor damage > the cross tie relay shorted resulting in a fire in the left main electrical equipment rack. - [NTSB CHI97FA067](https://openairdocs.org/ntsb/CHI97FA067.md): Cessna 150 · Larchwood, IA · Accident · 1 fatal · Field investigation · Final report · Feb 7, 1997 · N714EE · Destroyed > the noninstrument-rated pilot's takeoff into instrument meteorological conditions. The weather was a factor. - [NTSB CHI97LA053](https://openairdocs.org/ntsb/CHI97LA053.md): Learjet 24 · Muscatine, IA · Accident · No injuries · Limited investigation · Final report · Jan 16, 1997 · N991TD · Substantial damage > the pilot's failure to maintain directional control. A factor was the snow covered runway edge. Next page: https://openairdocs.org/ntsb.md?state=IA&page=10 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."eventStateOrRegion" = 'IA' AND c."eventCountry" = 'USA' ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?page=9&state=IA --- 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.