# NTSB investigations, MN: Airframe/component/system failure/malfunction

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 1 of 2 · 71 cases

## Latest cases

- [NTSB CHI07LA277](https://openairdocs.org/ntsb/CHI07LA277.md): Bell 47G-5A · Anoka, MN · Accident · Minor injuries · Limited investigation · Final report · Aug 24, 2007 · N25LB · Substantial damage
  > The loss of helicopter pitch control for undetermined reasons during the aerial application maneuver and the pilot's inability to control the aircraft during the descent.. A contributing factor to the accident was the soft terrain.
- [NTSB CHI07LA173](https://openairdocs.org/ntsb/CHI07LA173.md): Air Tractor AT-301 · Fergus Falls, MN · Accident · Minor injuries · Limited investigation · Final report · Jun 20, 2007 · N23667 · Substantial damage
  > The propeller blade failure during climb due to a fatigue crack. The oil leak that obstructed the pilot's vision was a factor in the accident.
- [NTSB CHI07LA002](https://openairdocs.org/ntsb/CHI07LA002.md): Piper PA-23-250 · Marshall, MN · Accident · No injuries · Limited investigation · Final report · Oct 2, 2006 · N71TA · Substantial damage
  > The failure of the nose gear to properly extend for undetermined reasons, which resulted in damage to the forward fuselage during landing.
- [NTSB CHI06CA221](https://openairdocs.org/ntsb/CHI06CA221.md): Air Tractor AT-400 · Springfield, MN · Accident · No injuries · Data collection · Final report · Jul 31, 2006 · N23720 · Substantial damage
  > The pilot's inability to maintain directional control of the airplane as a result of the partial failure of the tail wheel assembly. A factor associated with the accident was the crop that the airplane contacted.
- [NTSB CHI06LA207](https://openairdocs.org/ntsb/CHI06LA207.md): Schlei Avid Flyer Speed Win · Fergus Falls, MN · Accident · Serious injuries · Limited investigation · Final report · Jul 21, 2006 · N507S · Substantial damage
  > the fractured aileron bell crank and elevator clevis rod end.
- [NTSB CHI05MA111](https://openairdocs.org/ntsb/CHI05MA111.md): McDonnell Douglas DC-9-51 · Minneapolis, MN · Accident · Serious injuries · Major investigation · Final report · May 11, 2005 · N763NC · 2 aircraft · Substantial damage
  > the Captain of the other aircraft's decision to shutdown the left engine during taxi with no hydraulic pressure on the right side hydraulic system to effectively operate the brakes, steering, or thrust reversers. A factor was the fatigue fracture of the…
- [NTSB CHI05LA097](https://openairdocs.org/ntsb/CHI05LA097.md): Cessna 310 · Clear Lake, MN · Accident · No injuries · Limited investigation · Final report · Apr 13, 2005 · N3622D · Substantial damage
  > The collapse of the nose landing gear as a result of the pilot performing improper maintenance on the airplane due to his failure to properly safety the nose landing gear door.
- [NTSB CHI05LA064](https://openairdocs.org/ntsb/CHI05LA064.md): Cessna A185F · Minneapolis, MN · Accident · No injuries · Limited investigation · Final report · Feb 3, 2005 · N1767R · Substantial damage
  > A failure of the tail wheel locking mechanism which resulted in the pilot's inability to maintain directional control of the airplane during the landing roll.
- [NTSB CHI04LA119](https://openairdocs.org/ntsb/CHI04LA119.md): Robinson R22 Beta · Winsted, MN · Accident · Minor injuries · Limited investigation · Final report · May 12, 2004 · N2301F · Substantial damage
  > The failure of the main rotor drive belts for an undetermined reason, and the pilot's misjudged flare during the autorotation.
- [NTSB CHI04LA046](https://openairdocs.org/ntsb/CHI04LA046.md): Beech 95-B55 · St. Paul, MN · Accident · No injuries · Limited investigation · Final report · Dec 22, 2003 · N221Q · Substantial damage
  > The failure of the worm drive bearing that resulted in the failure of the landing gear extension/retraction gearbox, which ultimately resulted in the extension of the landing gear not being possible. A factor to the accident was the airport sign that the…
- [NTSB CHI02IA270](https://openairdocs.org/ntsb/CHI02IA270.md): Fokker 100 · Minneapolis, MN · Incident · No injuries · Incident investigation · Final report · Sep 5, 2002 · N1473K · Minor damage
  > The improper installation of the #2 main landing gear wheel, including the axle nut not being properly torqued and safetied, which resulted in the wheel separation during takeoff.
- [NTSB CHI02LA044](https://openairdocs.org/ntsb/CHI02LA044.md): Mitsubishi MU-2B-40 · St Paul, MN · Accident · No injuries · Limited investigation · Final report · Nov 30, 2001 · N9052Y · Substantial damage
  > The autopilot's computer connections arcing and reported disconnection during the localizer approach and the pilot not performing a go around prior to the hard landing. A factor was the pilots lack of total experience in the accident airplane's make and model.
- [NTSB CHI01IA047](https://openairdocs.org/ntsb/CHI01IA047.md): Cessna 172S · St. Cloud, MN · Incident · No injuries · Incident investigation · Final report · Dec 12, 2000 · N582SP · Minor damage
  > the fatigue failure of the propeller blade during the initial takeoff climb. The failure was a result of a material defect, which occurred during the manufacturing process and the manufacturers failure to detect the defect.
- [NTSB CHI01LA008](https://openairdocs.org/ntsb/CHI01LA008.md): Walton RV-6 · Saint Paul, MN · Accident · No injuries · Limited investigation · Final report · Oct 11, 2000 · N796W · Substantial damage
  > The rudder tube failure, and aircraft control not possible during the flare by the pilot. A factor was the service bulletin not being complied with by the mechanic during the condition inspection.
- [NTSB CHI00LA296](https://openairdocs.org/ntsb/CHI00LA296.md): Boeing 727-224 · Minneapolis, MN · Accident · No injuries · Limited investigation · Final report · Sep 10, 2000 · N296SC · Substantial damage
  > The fatigue failure of the wheel assembly. A factor was the inadequate inspection procedures prior to the issuance of a service bulletin.
- [NTSB CHI00LA118](https://openairdocs.org/ntsb/CHI00LA118.md): Cessna 170A · St. Paul, MN · Accident · No injuries · Limited investigation · Final report · Apr 21, 2000 · N1233D · Substantial damage
  > the broken landing gear axle.
- [NTSB CHI99LA261](https://openairdocs.org/ntsb/CHI99LA261.md): Hodre-Buull-Kolb Mark III · Plymouth, MN · Accident · Serious injuries · Limited investigation · Final report · Jul 21, 1999 · N93JL · Destroyed
  > The failure of the airplane's rudder control pulley due to corrosion and inadequate maintenance inspection of the airplane by the owner/pilot mechanic of the airplane.
- [NTSB CHI99LA243](https://openairdocs.org/ntsb/CHI99LA243.md): Mooney M20F · Marshall, MN · Accident · Minor injuries · Limited investigation · Final report · Jul 19, 1999 · N7141V · Substantial damage
  > the inadvertent stall and the checklist not followed by the pilot. Contributing factors were the baggage door not secured and the precautionary landing attempt by the pilot.
- [NTSB CHI99LA241](https://openairdocs.org/ntsb/CHI99LA241.md): Taylorcraft BC12-D · Aitkin, MN · Accident · No injuries · Limited investigation · Final report · Jul 13, 1999 · N96884 · Substantial damage
  > the right spring in the tailwheel assembly's separation. Factors were the fatigue in the landing gear, the maintenance personnel not identifying the fatigue during the annual inspection, and the right main gear's separation.
- [NTSB CHI98IA164](https://openairdocs.org/ntsb/CHI98IA164.md): Boeing 747-123 · Minneapolis, MN · Incident · No injuries · Incident investigation · Final report · May 18, 1998 · N675UP · No damage
  > the open shielding on the #2 VHF transceiver coax connector which resulted in electromagnetic interference with the yaw damper system.
- [NTSB CHI98FA086](https://openairdocs.org/ntsb/CHI98FA086.md): Piper PA-28-160 · Faribault, MN · Accident · 2 fatal · Field investigation · Final report · Jan 26, 1998 · N5099W · Destroyed
  > was the pilot's patial incapacitation due to carbon monoxide poisoning. A factor associated with this accident was the mechanic's inadequate inspection of the airplane's muffler and inadequate preflight planning and preparation by the pilot.
- [NTSB CHI98IA035](https://openairdocs.org/ntsb/CHI98IA035.md): Cessna 152 · Blaine, MN · Incident · No injuries · Incident investigation · Final report · Nov 12, 1997 · N48863 · Minor damage
  > the fracture of the flap cable as a result of fatigue cracking.
- [NTSB CHI97LA306](https://openairdocs.org/ntsb/CHI97LA306.md): Bell 47 · Pipestone, MN · Accident · Serious injuries · Limited investigation · Final report · Sep 30, 1997 · N9005T · Substantial damage
  > the fracture of the pitch control rod assembly.
- [NTSB CHI97FA095](https://openairdocs.org/ntsb/CHI97FA095.md): Cessna 140 · Big Lake, MN · Accident · 1 fatal · Field investigation · Final report · Mar 29, 1997 · N77166 · Destroyed
  > The pilot's maneuvers which exceeded the design stress limits of the airplane and resulted in structural overload of the horizontal tail followed by a structural overload of the wings.
- [NTSB CHI96LA317](https://openairdocs.org/ntsb/CHI96LA317.md): Piper PA-32R-301 · Stewartville, MN · Accident · Serious injuries · Limited investigation · Final report · Aug 26, 1996 · N801SP · Substantial damage
  > the pilot's improper in-flight planning/decision, which resulted in a failure to reach the proper touchdown point for the landing. The fractured nose gear shimmy damper attaching collar and the jammed nose gear were related factors.
- [NTSB CHI96FA314](https://openairdocs.org/ntsb/CHI96FA314.md): Piper PA-32R-300 · Medford, MN · Accident · 1 fatal · Field investigation · Final report · Aug 26, 1996 · N7133C · Destroyed
  > failure of the pilot to maintain control of the airplane, due to spatial disorientation. Factors relating to the accident were: failure of the (primary) vacuum system and a restriction in the (standby) vacuum system.
- [NTSB CHI96IA066](https://openairdocs.org/ntsb/CHI96IA066.md): Fairchild SA227-AC · Bemidji, MN · Incident · No injuries · Incident investigation · Final report · Dec 28, 1995 · N159MC · No damage
  > inadequate maintenance installation and inspection of the elevator flight control system which led to restricted flight control elevator movement due to a loose bolt.
- [NTSB CHI95IA342](https://openairdocs.org/ntsb/CHI95IA342.md): Airbus Industrie A320-211 · Minneapolis, MN · Incident · No injuries · Incident investigation · Final report · Apr 28, 1995 · N331NW · No damage
  > inadequate design of the fly-by-wire flight control system which allowed false signals from the sidestick transducer units to generate uncommanded rolls.
- [NTSB CHI94FA212](https://openairdocs.org/ntsb/CHI94FA212.md): Beech A35 · Lakeville, MN · Accident · 3 fatal · Field investigation · Final report · Jun 28, 1994 · N3042V · Destroyed
  > The jamming of the elevator control which resulted in the pilot's inability to control the pitch attitude of the airplane. The airplane encountered a stall-spin and impacted level terrain in an uncontrolled descent.
- [NTSB CHI94IA017](https://openairdocs.org/ntsb/CHI94IA017.md): Piper PA-24-250 · Thief Rvr Falls, MN · Incident · No injuries · Incident investigation · Final report · Oct 14, 1993 · N6846P · No damage
  > Fatigue failure of the propeller blade, originating from a corrosion pit.
- [NTSB CHI93IA382](https://openairdocs.org/ntsb/CHI93IA382.md): Fairchild SA-227-AC · Grand Rapids, MN · Incident · No injuries · Incident investigation · Final report · Aug 30, 1993 · N446MA · No damage
  > the fractured aileron cable and other maintenance personnel's inadequate maintenance/adjustment.
- [NTSB CHI92LA177](https://openairdocs.org/ntsb/CHI92LA177.md): Piper PA-22 · Breezy Point, MN · Accident · No injuries · Limited investigation · Final report · Jun 13, 1992 · N9534D · Substantial damage
  > The partial failure of the tail wheel assembly due to a fatigue fracture of an internal spring.
- [NTSB CHI92LA031](https://openairdocs.org/ntsb/CHI92LA031.md): Cessna 310R · South St Paul, MN · Accident · No injuries · Limited investigation · Final report · Nov 22, 1991 · N35H · Substantial damage
  > The inadequate design of the propeller hub assembly which resulted in metal fatigue and propeller blade separation during initial climbout.
- [NTSB CHI92LA021](https://openairdocs.org/ntsb/CHI92LA021.md): Cessna 172 · Bemidji, MN · Accident · Minor injuries · Limited investigation · Final report · Nov 2, 1991 · N8283E · Destroyed
  > Inadequate preflight planning and preparation by the pilot in command, the non performance o fan emergency procedure and not maintaining a positive rate of climb on behalf of the pilot in command. Factors contributing to the accident were the pilot in…
- [NTSB CHI91DER10](https://openairdocs.org/ntsb/CHI91DER10.md): Kolb Twinstar MK II · Staples, MN · Accident · Serious injuries · Final report · Jun 30, 1991 · N503BP · Destroyed
  > The disconnected elevator trim cable. Related factors are the inadequate maintenance/installation, and the pilot's inability to maintain aircraft control.
- [NTSB CHI91LA097](https://openairdocs.org/ntsb/CHI91LA097.md): Hughes 269C · North Mankato, MN · Accident · Serious injuries · Limited investigation · Final report · Feb 20, 1991 · N8955F · Destroyed
  > The fatique failure of the tail boom support strut attachment cluster and the improper inspection of the cluster attachment.
- [NTSB CHI91DER01](https://openairdocs.org/ntsb/CHI91DER01.md): Cessna 206 · South St. Paul, MN · Accident · Minor injuries · Final report · Oct 4, 1990 · N35889 · Substantial damage
  > The inadvertent deployment of the drag parachute. Related factors are the pilot's improper remedial action, habit interference, and the reduced aircraft controllability.
- [NTSB CHI90LA260](https://openairdocs.org/ntsb/CHI90LA260.md): Cessna 152 · Garrison, MN · Accident · No injuries · Limited investigation · Final report · Sep 9, 1990 · N714TR · Substantial damage
  > Inadequate inspection of the aircraft.
- [NTSB MKC90LA116](https://openairdocs.org/ntsb/MKC90LA116.md): Rollins-Bowers FLY Baby 1A · Bemidji, MN · Accident · 1 fatal · Limited investigation · Final report · May 29, 1990 · N3204 · Substantial damage
  > The wing attachment bolts were not installed resulting in inflight wing separation.
- [NTSB MKC90LA088](https://openairdocs.org/ntsb/MKC90LA088.md): Bell 47 · Oakdale, MN · Accident · Serious injuries · Limited investigation · Final report · Apr 18, 1990 · N5120B · Substantial damage
  > A slipping rotor drive clutch assembly due to improper maintenance by company personnel. Contributing factors were static wires in the path.
- [NTSB MKC89LA198](https://openairdocs.org/ntsb/MKC89LA198.md): Beech 80 · Littlefork, MN · Accident · No injuries · Limited investigation · Final report · Sep 21, 1989 · N132BA · Substantial damage
  > Total failure of the electrical system during IFR operations & the aircraft's collision with a rock fence during the subsequent gear-up precautionary landing.
- [NTSB MKC89FA191](https://openairdocs.org/ntsb/MKC89FA191.md): Piper PA-20 · Moose Lake, MN · Accident · 2 fatal · Field investigation · Final report · Aug 30, 1989 · N2841P · Destroyed
  > Severe corrosion of the lower forward lift strut for the right wing, inadequate inspection of the lift strut by maintenance personnel, and subsequent failure of the lift strut, which resulted in an overload failure (folding back) of the wing. Related factors…
- [NTSB CHI89IA083](https://openairdocs.org/ntsb/CHI89IA083.md): Mcdonnell Douglas DC-9-82 · Minneapolis, MN · Incident · No injuries · Incident investigation · Final report · May 2, 1989 · N434AA · Minor damage
  > Failure of the hydraulic power transfer unit shut-off (ptu s/o) valve due to failed (fatigued) valve body attach screws.
- [NTSB MKC89IA024](https://openairdocs.org/ntsb/MKC89IA024.md): Mcdonnell Douglas DC9-31 · Minneapolis, MN · Incident · No injuries · Incident investigation · Final report · Nov 16, 1988 · N965VJ · Minor damage
  > The failure of the left main landing gear tire carcass and the ingestion of the tire debris into the left engine which hindered normal operation.
- [NTSB CHI88DER12](https://openairdocs.org/ntsb/CHI88DER12.md): Cessna A188B · Clearbrook, MN · Accident · No injuries · Final report · Sep 14, 1988 · N4915Q · Substantial damage
  > On initial climb the right cowling door came open. The pilot was unable to maintain a climb and elected to make an emergency landing in a hay field. The aircraft encountered unsuitable terrain and received substantial damage. Post accident inspection of the…
- [NTSB CHI88DER14](https://openairdocs.org/ntsb/CHI88DER14.md): Homebuilt Woodstock · Mankato, MN · Accident · 1 fatal · Final report · Sep 5, 1988 · N369DK · Destroyed
  > Aircraft structural failure due to overload induced by pilot in the performance of unauthorized maneuvers.
- [NTSB CHI88DER06](https://openairdocs.org/ntsb/CHI88DER06.md): Hiller UH-12E · Buffalo Lake, MN · Accident · No injuries · Final report · Jul 30, 1988 · N173HA · Destroyed
  > When the helicopter lifted off, the left tail rotor cable separated. Directional control was lost and the aircraft collided with the terrain. The pilot reported no injuries, however the helicopter sustained substantial damage. An inspection of the left tail…
- [NTSB CHI88LA167](https://openairdocs.org/ntsb/CHI88LA167.md): Cessna 177RG · Mankato, MN · Accident · Minor injuries · Limited investigation · Final report · Jul 17, 1988 · N2059Q · Substantial damage
  > As the pilot leveled off at his intended cruise altitude, he noted a loss of oil pressure, then saw oil spread up over the windshield, restricting his visibility. The pilot performed emergency procedures, and began descending to the nearest airport. During…
- [NTSB CHI88LA104](https://openairdocs.org/ntsb/CHI88LA104.md): Beech K35 · Milaca, MN · Accident · No injuries · Limited investigation · Final report · Apr 29, 1988 · N6042E · Substantial damage
- [NTSB CHI88IA040](https://openairdocs.org/ntsb/CHI88IA040.md): Boeing 747-251F · Minneapolis, MN · Incident · No injuries · Incident investigation · Final report · Jan 9, 1988 · N618US · No damage
  > Aircraft experienced a loss of aileron ctl when ice formed around aileron control cables and restricted their movement. Water draining through open plenum drains in the main landing gear wheel well froze when exposed to below freezing temperatures at 35,000…

Next page: https://openairdocs.org/ntsb.md?state=MN&occurrence=130&page=2

## 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" = 'MN' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=130&state=MN

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