# NTSB investigations, 1991, MN

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 · 59 cases

## Latest cases

- [NTSB CHI92LA055](https://openairdocs.org/ntsb/CHI92LA055.md): Aero Commander 690A · Roseau, MN · Accident · No injuries · Limited investigation · Final report · Dec 14, 1991 · N96BW · Substantial damage
  > The pilot's failure to maintain proper alignment with, and not selecting the proper touchdown point on the landing runway. Factors associated with the accident are a dark night light condition and crosswinds.
- [NTSB CHI92LA050](https://openairdocs.org/ntsb/CHI92LA050.md): Cessna 140 · Minneapolis, MN · Accident · No injuries · Limited investigation · Final report · Dec 10, 1991 · N72625 · Substantial damage
  > Remedial action was not performed by the CFI. A factor related to the accident was directional control was not maintained by the student pilot.
- [NTSB CHI92LA043](https://openairdocs.org/ntsb/CHI92LA043.md): Piper PA-28-181 · Rochester, MN · Accident · Minor injuries · Limited investigation · Final report · Dec 8, 1991 · N8411A · Substantial damage
  > Improper use of autopilot during approach which resulted in proper alignment not maintained by the pilot. Factors related to the accident were turbulence and crosswinds, over confidence in aircraft's capability and overconfidence in personal ability.
- [NTSB CHI92LA040](https://openairdocs.org/ntsb/CHI92LA040.md): Mooney M20J · Morris, MN · Accident · No injuries · Limited investigation · Final report · Dec 5, 1991 · N201QB · Substantial damage
  > Failure to maintain proper glidepath. A factor related to the accident is the failure to perform remedial action, the dark night, and the snow shower in progress at the time.
- [NTSB CHI92LA036](https://openairdocs.org/ntsb/CHI92LA036.md): Piper PA28R-200 · Lakeville, MN · Accident · Minor injuries · Limited investigation · Final report · Dec 1, 1991 · N2072T · 2 aircraft · Substantial damage
  > The failure of both pilots to maintain visual separation from each other. Contributing factors to this accident were an inadequate visual lookout by both pilots and the pilot-in-command's failure to follow procedures and directives.
- [NTSB CHI92LA054](https://openairdocs.org/ntsb/CHI92LA054.md): Piper PA-28R-201 · Willmar, MN · Accident · No injuries · Limited investigation · Final report · Nov 29, 1991 · N80553 · Substantial damage
  > An inadequate weather evaluation which resulted in flight into icing conditions. Factors in the accident were the icing conditions and the excessive descent during landing.
- [NTSB CHI92FA035](https://openairdocs.org/ntsb/CHI92FA035.md): Cessna 172RG · Litchfield, MN · Accident · 4 fatal · Field investigation · Final report · Nov 27, 1991 · N9589B · Destroyed
  > Pilot factor in that he had spatial disorientation. Factors related to the accident are; VFR flight into IMC, disregarding hazardous weather advisories, performing flight into known adverse weather conditions, and overconfidence in personal ability by the…
- [NTSB CHI92LA034](https://openairdocs.org/ntsb/CHI92LA034.md): Aero Commander 685 · Brainerd, MN · Accident · Serious injuries · Limited investigation · Final report · Nov 24, 1991 · N9196N · Substantial damage
  > An engine failure due to a seized fuel pump rotor shaft.
- [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 CHI92LA217](https://openairdocs.org/ntsb/CHI92LA217.md): Piper PA-38-112 · Faribault, MN · Accident · Serious injuries · Limited investigation · Final report · Nov 10, 1991 · N9296T · No damage
  > The pilot's improper starting procedures and the passenger's inattentiveness. A related factor is the pilot's lack of supervision.
- [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 CHI92LA008](https://openairdocs.org/ntsb/CHI92LA008.md): Cessna 172P · Maple Lake, MN · Accident · Minor injuries · Limited investigation · Final report · Oct 17, 1991 · N97984 · Substantial damage
  > The loss of engine power for an undetermined reason.
- [NTSB CHI92FA009](https://openairdocs.org/ntsb/CHI92FA009.md): Beech A36 · Lakeville, MN · Accident · 2 fatal · Field investigation · Final report · Oct 14, 1991 · N46MJ · Destroyed
  > The pilot-in-command's decision to continue flight into known adverse weather. Contributing to the accident was the encounter with weather conditions favorable for formation of airframe icing.
- [NTSB CHI91LA287](https://openairdocs.org/ntsb/CHI91LA287.md): Beech A23 · Lake Elmo, MN · Accident · Minor injuries · Limited investigation · Final report · Sep 14, 1991 · N5786V · Substantial damage
  > A loss of engine power for undetermined reasons. A factor contributing to the accident was the unsuitable terrain on which the pilot had to land.
- [NTSB CHI91LA293](https://openairdocs.org/ntsb/CHI91LA293.md): Cessna 185 · Duluth, MN · Accident · Minor injuries · Limited investigation · Final report · Sep 8, 1991 · N1637Z · Substantial damage
  > Premature touchdown while landing by the pic/cfi. Factors related to the accident were low ceilings, rain, and haze; weather evaluation misjudged by the pic/cfi; and visual outlook reduced.
- [NTSB CHI91LA288](https://openairdocs.org/ntsb/CHI91LA288.md): Cessna 185F · Afton, MN · Accident · Minor injuries · Limited investigation · Final report · Sep 6, 1991 · N1074F · Substantial damage
  > The pilot's inadvertent lowering of the wheels during the water landing.
- [NTSB CHI91DER14](https://openairdocs.org/ntsb/CHI91DER14.md): Milner, Dick G Glasair II · Milaca, MN · Accident · Serious injuries · Final report · Aug 11, 1991 · N327DM · Destroyed
  > The pilot's failure to maintain aircraft control during takeoff and departure which resulted in a dragged wing and ground impact. Related factors are the rough airstrip, the pilot's lack of expereince in the type of operation, and the premature lift-off.
- [NTSB CHI91DER13](https://openairdocs.org/ntsb/CHI91DER13.md): Bell 47G-3B-1 · Maple Grove, MN · Accident · No injuries · Final report · Aug 9, 1991 · N73998 · Substantial damage
  > The pilot's failure to maintain directional control of the helicopter during the forced landing. Related factors are the loss of engine power, loss of rotor RPM, the eroded compressor blades, the pilot's operation with known deficiencies in equipment and…
- [NTSB CHI91LA255](https://openairdocs.org/ntsb/CHI91LA255.md): Cessna 180 · Walker, MN · Accident · No injuries · Limited investigation · Final report · Aug 6, 1991 · N1637C · Substantial damage
  > Directional control after landing was not maintained by the pilot. Factors related to the accident were a gusty crosswind and a downhill embankment (ditch).
- [NTSB CHI91LA250](https://openairdocs.org/ntsb/CHI91LA250.md): Piper PA-12 · Loman, MN · Accident · No injuries · Limited investigation · Final report · Aug 3, 1991 · CFAOQ · Substantial damage
  > Fuel exhaustion due to fuel consumption calculations misjudged by the pilot.
- [NTSB CHI91LA253](https://openairdocs.org/ntsb/CHI91LA253.md): Cessna 180 · Eveleth, MN · Accident · No injuries · Limited investigation · Final report · Aug 2, 1991 · N9377T · Substantial damage
  > The pilot's failure to maintain the proper descent rate and adequate airspeed during the approach. A factor related to the accident is the lack of recent total experience.
- [NTSB CHI91LA236](https://openairdocs.org/ntsb/CHI91LA236.md): Piper PA-28-140 · Maple Lake, MN · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1991 · N55924 · Substantial damage
  > Directional control was not maintained by the pilot. A factor related to the accident was the pilot's lack of total experience.
- [NTSB CHI91LA241](https://openairdocs.org/ntsb/CHI91LA241.md): Cessna 150 · Winona, MN · Accident · No injuries · Limited investigation · Final report · Jul 22, 1991 · N19153 · Substantial damage
  > Improper flare performed by the pilot. A factor related to the accident was lack of total experience by the pilot.
- [NTSB CHI91LA240](https://openairdocs.org/ntsb/CHI91LA240.md): Piper J-3 · Saint Leo, MN · Accident · No injuries · Limited investigation · Final report · Jul 20, 1991 · N1402N · Substantial damage
  > Performance data was misjudged resulting in a positive climb not being attained by the pilot. A factor related to the accident was high density altitude.
- [NTSB CHI91DER12](https://openairdocs.org/ntsb/CHI91DER12.md): Lacey B D4 · Albert Lea, MN · Accident · Serious injuries · Final report · Jul 5, 1991 · N363H · Destroyed
  > The pilot's failure to take adequate remedial action. Related factors are the tall grass runway conditions, and the inadequate airspeed.
- [NTSB CHI91LA206](https://openairdocs.org/ntsb/CHI91LA206.md): Cessna 150 · Carlos, MN · Accident · No injuries · Limited investigation · Final report · Jul 3, 1991 · N50637 · Substantial damage
  > The pilot's failure to use adequate carburetor heat. Factors to the accident were the carburetor icing conditions and the wires.
- [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 CHI91DER11](https://openairdocs.org/ntsb/CHI91DER11.md): Piper OA25-235 · Clinton, MN · Accident · No injuries · Final report · Jun 29, 1991 · N9599P · Destroyed
  > The pilot's failure to maintain adequate control of the aircraft while maneuvering in aerial application operations. Related factors are wake turbulence and low altitude.
- [NTSB CHI91DER09](https://openairdocs.org/ntsb/CHI91DER09.md): Eagle Eagle DW-1 · Windom, MN · Accident · No injuries · Final report · Jun 28, 1991 · N88142 · Substantial damage
  > The pilot's improper aircraft handling. Related factors are the pilot's inattention and the airplane's deteriorated performance capability.
- [NTSB CHI91DER08](https://openairdocs.org/ntsb/CHI91DER08.md): Bellanca 8GCBC · St. Hilaire, MN · Accident · 1 fatal · Final report · Jun 28, 1991 · N8714V · Destroyed
  > The pilot's failure to maintain sufficient altitude while maneuvering.
- [NTSB CHI91LA199](https://openairdocs.org/ntsb/CHI91LA199.md): Robinson R-22 · Faribault, MN · Accident · No injuries · Limited investigation · Final report · Jun 21, 1991 · N8024W · Substantial damage
  > Compensation for wind conditions was not attained by the pilot resulting in loss of directional control. A factor related to the accident was a gusty crosswind landing environment.
- [NTSB CHI91LA197](https://openairdocs.org/ntsb/CHI91LA197.md): Cessna 180 · Grand Rapids, MN · Accident · No injuries · Limited investigation · Final report · Jun 21, 1991 · N6503A · Substantial damage
  > The pilot's failure to maintain a proper airspeed during landing and the improper recovery from a bounced landing. Factors related to the accident were the pilot's lack of total experience in seaplanes and the gusty wind condition.
- [NTSB CHI91LA196](https://openairdocs.org/ntsb/CHI91LA196.md): Cessna 172RG · Hawley, MN · Accident · No injuries · Limited investigation · Final report · Jun 19, 1991 · N9431D · Substantial damage
  > Inattentiveness of both the flight instructor and the student pilot, and failure to use carburetor heat. A factor related to the accident is the unsuitable terrain encountered during the forced landing.
- [NTSB CHI91DER06](https://openairdocs.org/ntsb/CHI91DER06.md): Piper PA-36-285 · Fergus Falls, MN · Accident · No injuries · Final report · Jun 17, 1991 · N57824 · Substantial damage
  > The pilot's failure to maintain adequate clearance from obstacles during aerial apllication operations.
- [NTSB CHI91LA180](https://openairdocs.org/ntsb/CHI91LA180.md): Cessna 180 · Orr, MN · Accident · No injuries · Limited investigation · Final report · Jun 16, 1991 · N4636B · Substantial damage
  > Because of inadequate compensation for the wind conditions, aircraft control was lost by the pilot. A factor related to the accident was a gusty crosswind landing environment.
- [NTSB CHI91LA191](https://openairdocs.org/ntsb/CHI91LA191.md): Piper PA-22-150 · Eagle Bend, MN · Accident · No injuries · Limited investigation · Final report · Jun 14, 1991 · N3130Z · Substantial damage
  > The pilot in command's failure to attain proper alignment with the runway. Factors contributing to this accident were an unreliable airspeed indicator and the pilot's decision to operate with this known deficiency.
- [NTSB CHI91DER07](https://openairdocs.org/ntsb/CHI91DER07.md): Piper PA-36-375 · Breckentidge, MN · Accident · No injuries · Final report · Jun 14, 1991 · N3866E · Substantial damage
  > The pilot's failure to take adequate remedial action during the attempted climb out. A related factor is the premature lift off.
- [NTSB CHI91DER05](https://openairdocs.org/ntsb/CHI91DER05.md): Bell 47G3B1 · Lasalle, MN · Accident · No injuries · Final report · Jun 11, 1991 · N73284 · Substantial damage
  > The pilot's failure to maintain adequate clearance from the terrain. A related factor is the pilot's misjudged altitude above the crop.
- [NTSB CHI91DER04](https://openairdocs.org/ntsb/CHI91DER04.md): Bellanca Eagle DW-1 · Hector, MN · Accident · No injuries · Final report · Jun 6, 1991 · N8800W · Substantial damage
  > The loss of engine power due to the total failure of a connecting rod. Related factors are the low maneuvering altitude and the unsuitable (muddy) terrain encountered during the forced landing.
- [NTSB CHI91TL#04](https://openairdocs.org/ntsb/CHI91TL%2304.md): Hughes TH-55A · Roseau, MN · Accident · Minor injuries · Class 3 · Final report · May 30, 1991 · N115NR · Substantial damage
- [NTSB CHI91LA170](https://openairdocs.org/ntsb/CHI91LA170.md): Piper PA28-140 · Albany, MN · Accident · No injuries · Limited investigation · Final report · May 28, 1991 · N95041 · Substantial damage
  > The cfi's failure to take timely and proper remedial action when the student pilot lost directional control during the takeoff roll. Factors in the accident are the tall grass edging the runway, and the student pilot's lack of total experience.
- [NTSB CHI91LA168](https://openairdocs.org/ntsb/CHI91LA168.md): Cessna 150 · Cambridge, MN · Accident · No injuries · Limited investigation · Final report · May 28, 1991 · N8845S · Substantial damage
  > Partial loss of engine power due to improper use of carburetor heat and a stall encountered by the pilot.
- [NTSB CHI91LA167](https://openairdocs.org/ntsb/CHI91LA167.md): Beech C-23 · Cottage Grove, MN · Accident · Minor injuries · Limited investigation · Final report · May 28, 1991 · N5172M · Substantial damage
  > The pilot in command's improper pre flight planning and preparation. Factors contributing to this accident were the pilot in command's lack of familiarity with the airplane and improper fuel consumption calculations.
- [NTSB CHI91LA161](https://openairdocs.org/ntsb/CHI91LA161.md): Piper PA-22-160 · Mankato, MN · Accident · No injuries · Limited investigation · Final report · May 21, 1991 · N2906Z · Substantial damage
  > Partial loss of engine power due to an unlocked engine primer. Factors related to the accident were that the pre takeoff check list was not followed by the pilot and the lack of suitable terrain for the forced landing.
- [NTSB CHI91LA276](https://openairdocs.org/ntsb/CHI91LA276.md): Piper PA-38-112 · Monticello, MN · Accident · No injuries · Limited investigation · Final report · May 10, 1991 · N2587N · Substantial damage
  > The pilot in command's (CFI) delayed remedial action. Related factors are the gusty crosswind, the student pilot's lack of total experience, inadequate compensation for crosswind conditions, and the cfi's failure to maintain directional control.
- [NTSB CHI91LA142](https://openairdocs.org/ntsb/CHI91LA142.md): Piper PA-28-140 · Hibbing, MN · Accident · Minor injuries · Limited investigation · Final report · Apr 25, 1991 · N95406 · Substantial damage
  > The student pilot's improper flare of the airplane and the cfi's failure to maintain directional control during the recovery. A factor was the soft terrain.
- [NTSB CHI91LA128](https://openairdocs.org/ntsb/CHI91LA128.md): De Havilland Beaver U-6A · Oak Island, MN · Accident · No injuries · Limited investigation · Final report · Apr 9, 1991 · N9028 · Substantial damage
  > Unsuitable terrain was selected by the pilot. A factor related to the accident was the terrain/runway was composed of weak ice.
- [NTSB CHI91DER02](https://openairdocs.org/ntsb/CHI91DER02.md): Paulbicke Bede 5B · Park Rapids, MN · Accident · 1 fatal · Final report · Apr 5, 1991 · N334DF · Destroyed
  > The pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall and subsequent spin.
- [NTSB CHI91FA116](https://openairdocs.org/ntsb/CHI91FA116.md): Mooney M-20C · Prior Lake, MN · Accident · 1 fatal · Field investigation · Final report · Mar 26, 1991 · N9692M · Destroyed
  > Failure to maintain airspeed while executing a forced landing. Factors related to the accident were the pilot's improper inflight planning/decision, and fuel exhaustion.
- [NTSB CHI91LA123](https://openairdocs.org/ntsb/CHI91LA123.md): Piper PA-20 · Grand Marais, MN · Accident · No injuries · Limited investigation · Final report · Mar 24, 1991 · N7010K · Substantial damage
  > Failure of the pilot to maintain directional control. The crosswind and snow covered runway were related factors.

Next page: https://openairdocs.org/ntsb.md?year=1991&state=MN&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 year(c."eventDate") = 1991
  AND c."eventStateOrRegion" = 'MN' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=MN&year=1991

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