# NTSB investigations: NONE, MI

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 · 60 cases

## Latest cases

- [NTSB CEN26LA233](https://openairdocs.org/ntsb/CEN26LA233.md): Burkhart Grob Flugzeugbau G103 Twin Astir · Gregory, MI · Accident · No injuries · Class 4 · Limited · Final report · Jun 3, 2026 · N4101M · Substantial damage
  > The flight instructor’s improper planning during the simulated aborted launch which resulted in a touchdown on unsuitable terrain.
- [NTSB CEN23LA254](https://openairdocs.org/ntsb/CEN23LA254.md): Let L-23 Super Blanik · Gregory, MI · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 21, 2023 · N10BR · Substantial damage
  > The flight instructor’s failure to maintain adequate airspeed and his exceedance of the glider’s critical angle of attack, leading to an aerodynamic stall during the off-field landing.
- [NTSB CEN12LA490](https://openairdocs.org/ntsb/CEN12LA490.md): Smith Applebay Zuni II · Gregory, MI · Accident · Serious injuries · Limited investigation · Final report · Jul 29, 2012 · N1ZV · Substantial damage
  > The glider pilot’s failure to maintain sufficient altitude and airspeed while turning to the base leg of the traffic pattern, which resulted in a stall/spin and impact with trees and terrain.
- [NTSB CEN09CA577](https://openairdocs.org/ntsb/CEN09CA577.md): Ketonen Schreder · Ionia, MI · Accident · No injuries · Data collection · Final report · Sep 5, 2009 · N161HP · Substantial damage
  > The pilot failed to maintain control of the glider during the aero-tow launch.
- [NTSB CEN09LA353](https://openairdocs.org/ntsb/CEN09LA353.md): Burkhart Grob G103C Twin III Acro · Gregory, MI · Accident · 1 fatal · Limited investigation · Final report · Jun 14, 2009 · N103MS · Substantial damage
  > The pilot's failure to maintain sufficient airspeed during the turn to return for landing, which resulted an inadvertent stall/spin. Contributing to the accident was the failure of the ground winch tow cable shortly after takeoff.
- [NTSB CEN09CA269](https://openairdocs.org/ntsb/CEN09CA269.md): Let L-23 Super Blanik · Adrian, MI · Accident · No injuries · Data collection · Final report · Apr 26, 2009 · N238SB · Substantial damage
  > The flight instructor's inadequate compensation for the strong, gusting crosswind during landing. Contributing to the accident was the flight instructor's decision to attempt flight with known adverse weather approaching the airport.
- [NTSB CHI07CA189](https://openairdocs.org/ntsb/CHI07CA189.md): Cameron Balloons Z-77 · Battle Creek, MI · Accident · Minor injuries · Data collection · Final report · Jul 3, 2007 · N4021M · Substantial damage
  > The whisper burner's fuel valve opening for undetermined reasons, which resulted in a fire after landing. A factor in the accident was the balloon envelope's parachute top not reseating.
- [NTSB CHI07CA040](https://openairdocs.org/ntsb/CHI07CA040.md): Schleicher AS-K13 · Gregory, MI · Accident · No injuries · Data collection · Final report · Dec 14, 2006 · N545TT · Substantial damage
  > The pilot's unexpected encounter with wind shear and his inability to remain clear of the trees while on final approach to land.
- [NTSB CHI03LA224](https://openairdocs.org/ntsb/CHI03LA224.md): Aerostar S81A · Highland, MI · Accident · Serious injuries · Limited investigation · Final report · Jul 23, 2003 · N11BQ · No damage
  > Failure of the pilot to maintain a proper descent rate. Contributing factors were the pilot's failure to maintain clearance from the trees, the reported high winds and gusts, the trees, the power lines and the house.
- [NTSB CHI03LA208](https://openairdocs.org/ntsb/CHI03LA208.md): Cameron Balloons O-77 · Battle Creek, MI · Accident · Serious injuries · Limited investigation · Final report · Jul 4, 2003 · N8085G · No damage
  > The pilot's excessive descent rate. Factors to the accident were the trees lining the landing area.
- [NTSB CHI02LA266](https://openairdocs.org/ntsb/CHI02LA266.md): Schweizer SGS-126E · Ionia, MI · Accident · No injuries · Limited investigation · Final report · Aug 27, 2002 · N126CR · Substantial damage
  > The pilot's failure to maintain clearance from the runway end identifier light (REIL). A factor to the accident was the REIL.
- [NTSB CHI01LA277](https://openairdocs.org/ntsb/CHI01LA277.md): Blanik L-13 · Marlette, MI · Accident · Serious injuries · Limited investigation · Final report · Aug 4, 2001 · N9297Z · Minor damage
  > Ground crew personnel improperly connected the tow winch cable prior to takeoff which resulted in one side of the winch cable coming disconnected. Factors associated with the accident were the ditch and the tree branch which the airplane contacted.
- [NTSB CHI01LA207](https://openairdocs.org/ntsb/CHI01LA207.md): Burkhart Grob G 103 Twin II · Ionia, MI · Accident · No injuries · Limited investigation · Final report · Jul 12, 2001 · N140BG · Substantial damage
  > The pilot not maintaining clearance from the tall grass during his recovery from the bounced landing. A factor was the tall grass.
- [NTSB CHI00LA193](https://openairdocs.org/ntsb/CHI00LA193.md): Schleicher K8B · Manchester, MI · Accident · No injuries · Limited investigation · Final report · Jul 1, 2000 · N885D · Substantial damage
  > the downdraft experienced during final approach and altitude/clearance from the fence post not being maintained by the pilot. A factor to the accident was the fence post.
- [NTSB CHI98LA253](https://openairdocs.org/ntsb/CHI98LA253.md): Cameron A105 · Howell, MI · Accident · Serious injuries · Limited investigation · Final report · Jul 14, 1998 · N1601A · No damage
  > The pilot's failure to visually recognize hazards associated with meteorological phenomenon. A contributing factor was the weather condtion.
- [NTSB CHI98LA013](https://openairdocs.org/ntsb/CHI98LA013.md): Schweizer FGS-233 · Ionia, MI · Accident · Minor injuries · Limited investigation · Final report · Oct 12, 1997 · N5762S · Substantial damage
  > the pilot misjudged the landing approach which resulted in his failure to attain a proper touchdown point. A factor was the trees.
- [NTSB CHI96LA279](https://openairdocs.org/ntsb/CHI96LA279.md): Schleicher ASK-13 · Thompsonville, MI · Accident · No injuries · Limited investigation · Final report · Aug 4, 1996 · N11EK · Substantial damage
  > an evasive maneuver necessitated by the tow plane's aborted takeoff.
- [NTSB CHI94LA280](https://openairdocs.org/ntsb/CHI94LA280.md): Schleicher ASW-20 · Ionia, MI · Accident · Minor injuries · Limited investigation · Final report · Aug 14, 1994 · N6514M · Substantial damage
  > no thermal lift available, and the lack of suitable terrain for landing. A factor related to the accident was the high wind condition.
- [NTSB CHI94LA165](https://openairdocs.org/ntsb/CHI94LA165.md): Burkhart Grob BG 103 · Ionia, MI · Accident · No injuries · Limited investigation · Final report · May 20, 1994 · N140BG · Substantial damage
  > a hard landing as a result of the early disconnect of the glider launch/tow equipment.
- [NTSB CHI93LA230](https://openairdocs.org/ntsb/CHI93LA230.md): Burkhart Grob G103 · Ionia, MI · Accident · No injuries · Limited investigation · Final report · Jun 26, 1993 · N4101M · Substantial damage
  > The pilot in command's failure to maintain the proper glidepath.
- [NTSB CHI92LA197](https://openairdocs.org/ntsb/CHI92LA197.md): Schweizer SGS 2-33A · Manchester, MI · Accident · No injuries · Limited investigation · Final report · Jul 5, 1992 · N2524H · Substantial damage
  > The pilot's improper inflight planning/decisions, failure to make a precautionary landing when he realized he was too low to reach the airport, and attempting to stretch his glidepath to reach the runway.
- [NTSB CHI92LA143](https://openairdocs.org/ntsb/CHI92LA143.md): Burkhart Grob G-103 · Ionia, MI · Accident · No injuries · Limited investigation · Final report · May 10, 1992 · N140BG · Substantial damage
  > The pilot-in-command's improper preflight and decision to close the glider's canopy at low altitude.
- [NTSB CHI91LA231](https://openairdocs.org/ntsb/CHI91LA231.md): Let L-13 · Gregory, MI · Accident · No injuries · Limited investigation · Final report · Jul 26, 1991 · N781BA · Substantial damage
  > A collision with wires after the glider overshot the landing area due to inadvertent lowering of the flaps and no use of spoilers.
- [NTSB CHI90LA225](https://openairdocs.org/ntsb/CHI90LA225.md): Cameron N120 · Mottville, MI · Accident · Serious injuries · Limited investigation · Final report · Aug 27, 1990 · N6092K · Minor damage
  > The pilot's failure to maintain a proper decent rate during landing and his decision to initiate the flight in high winds conditions.
- [NTSB CHI90LA140](https://openairdocs.org/ntsb/CHI90LA140.md): Let L-13 · Oxford, MI · Accident · No injuries · Limited investigation · Final report · May 26, 1990 · N9297Z · Substantial damage
  > The glider pilot's failure to maintain adequate aircraft control during the touchdown and landing roll. The poorly executed approach to landing, and rough/uneven terrain were contributing factors in this accident.
- [NTSB CHI87LA167](https://openairdocs.org/ntsb/CHI87LA167.md): Balloon Works Firefly 7 · Springfield, MI · Accident · Serious injuries · Limited investigation · Final report · Jul 12, 1987 · N1505F · 2 aircraft · Substantial damage
  > Two hot air balloons were involved in a midair collision during a sanctioned Balloon competition. N40363 was able to retain control and landed uneventfully. N1505F partially deflated and descended out of control to the ground. Witnesses stated that N40363 was…
- [NTSB CHI86FEC04](https://openairdocs.org/ntsb/CHI86FEC04.md): Cameron 77 · Hamburg, MI · Accident · Serious injuries · Final report · Jul 4, 1986 · N340CB · No damage
  > Plt made a precautionary landing reportedly due to high winds. Upon touchdown the basket tipped and one of the pax received a fractured left leg.
- [NTSB CHI86LA128](https://openairdocs.org/ntsb/CHI86LA128.md): Cameron O-65 · Pickney, MI · Accident · Serious injuries · Limited investigation · Final report · Apr 28, 1986 · N298CB · No damage
  > The balloonest had briefed and positioned his two pax for a anticipated hard/drag landing in a 9 kt wind. He stated the balloon touched and bounced then touched and bounced again before it entered the drag sequence of the landing. The female pax suffered a…
- [NTSB CHI86LA018](https://openairdocs.org/ntsb/CHI86LA018.md): Balloon Works Firefly 7 · Comstock Park, MI · Accident · No injuries · Limited investigation · Final report · Oct 29, 1985 · N4056L · Substantial damage
  > According to the pilot she received wind information from a flight service station, the noaa and ATIS approximately 1.5 hours prior to takeoff. All these sources predicted winds to be less than 7 knots. Winds were 'very light' during Balloon inflation. The…
- [NTSB CHI85LA247](https://openairdocs.org/ntsb/CHI85LA247.md): Let L-13 · Gregory, MI · Accident · No injuries · Limited investigation · Final report · Jun 23, 1985 · N14420 · Substantial damage
  > The glider landed in trees after the spoiler 'popped' open in flt during a towed takeoff. The tow plane released the glider at 300 ft AGL after the spoilers opened. The plt landed without retracting the spoilers. Two FAA inspectors stated that they checked…
- [NTSB CHI84LA409](https://openairdocs.org/ntsb/CHI84LA409.md): Let L-13 · Gregory, MI · Accident · No injuries · Limited investigation · Final report · Sep 29, 1984 · N14420 · Substantial damage
  > According to the CFI the glider was at about 500 ft AGL on base leg when a downdraft caused the acft to descend and touch down 50 ft short of the rwy.
- [NTSB CHI84LA309](https://openairdocs.org/ntsb/CHI84LA309.md): Glasflugel Libelle · Osseo, MI · Accident · No injuries · Limited investigation · Final report · Jul 1, 1984 · N1106B · Substantial damage
  > The plt stated that the thermals dissipated & he had to make an off arpt landing. The landing was made in a field of tall grass & the left wing contacted the grass first resulting in a 90 deg ground loop. The aft fuselage section separated.
- [NTSB CHI84LA244](https://openairdocs.org/ntsb/CHI84LA244.md): Barnes AX-7B · Lake Orion, MI · Accident · Serious injuries · Limited investigation · Final report · Jun 16, 1984 · N37643 · No damage
  > A 74 year old passenger in a balloon lost her footing during landing and fell on her arm. Later examination revealed that her arm was broken. The plt and another passenger were not injured. The plt reported that the passengers had been briefed on landing and…
- [NTSB CHI84LA227](https://openairdocs.org/ntsb/CHI84LA227.md): Barnes Firefly 7 · Flint, MI · Accident · No injuries · Limited investigation · Final report · Jun 2, 1984 · N15271 · Substantial damage
  > The balloonist stated that the wind became stronger during her flt and even though she selected a landing area adequate for a high wind landing the balloon was dragged about 200 ft until the envelope became entangled in trees. The flt lasted about 1 hour and…
- [NTSB CHI84LA018](https://openairdocs.org/ntsb/CHI84LA018.md): Balloon Works Firefly 7 · Dorr, MI · Accident · Serious injuries · Limited investigation · Final report · Oct 9, 1983 · N1533N · No damage
  > During landing the basket hit a hill resulting in the basket stopping suddenly & ejecting the plt & passengers from the basket. The plt thought a passenger was still in the basket so she grabbed the valve line & hung on as the Balloon rose approximately 100…
- [NTSB CHI84LA015](https://openairdocs.org/ntsb/CHI84LA015.md): Adams AB · Wyoming, MI · Accident · Serious injuries · Limited investigation · Final report · Oct 8, 1983 · N4022K · Substantial damage
  > The balloon collided with the ground, bounced, hit a house and a utility pole before being torn enough to come to rest. The hard landing in an 8 kt wind tore the vent line from the pilots hand, he lost the ability to vent the balloon and during the collisions…
- [NTSB CHI83LA318](https://openairdocs.org/ntsb/CHI83LA318.md): Barnes AX-7 · Utica, MI · Accident · No injuries · Limited investigation · Final report · Jul 17, 1983 · N1515K · Destroyed
  > The student pilot made a delayed decision to land and landed within a few ft of wires without seeing them. The ground crew tried to hold him but the balloon still had too much lift. The student then saw the wires and tried to go over thembut the collision…
- [NTSB CHI83LA314](https://openairdocs.org/ntsb/CHI83LA314.md): Flug-Und Fahrzeugwerke Diamant · Frankfort, MI · Accident · No injuries · Limited investigation · Final report · Jul 10, 1983 · N37AC · Substantial damage
  > The plt reported that during a winch tow takeoff the right wing caught in tall grass & soft sand, & the glider ground-looped.
- [NTSB CHI83LA265](https://openairdocs.org/ntsb/CHI83LA265.md): Balloon Works Firefly 7 · Flint, MI · Accident · 1 fatal · Limited investigation · Final report · Jun 19, 1983 · N27114 · Substantial damage
  > After takeoff, the plt leveled the Balloon, and a short time later, he collapsed to the floor of the gondola & had difficulty breathing. The Balloon began descending. Subsequently, it hit the porch of a house & was damaged. The plt died from acute myocardial…
- [NTSB CHI83LA226](https://openairdocs.org/ntsb/CHI83LA226.md): Schleicher ASW-20 · Lansing, MI · Accident · No injuries · Limited investigation · Final report · May 24, 1983 · N20ZZ · Substantial damage
  > The plt was participating in the national 15 meter championship meet. During a triangular course, he ran out of thermal activity & selected a field for a landing. From the air, he thought he had selected an alfalfa field with a 5 to 6 inch growth. However, he…
- [NTSB CHI83FA220](https://openairdocs.org/ntsb/CHI83FA220.md): Schaffer-Provencher UW · Stockbridge, MI · Accident · Serious injuries · Field investigation · Final report · May 18, 1983 · N37SP · Substantial damage
  > The balloon landed downslope at about 7 KTS in a rip/drag landing without ground assistance. One of the two passengers was on the downslope side of the basket facing the direction of landing. She lost her grip on the top rail of the basketduring touchdown and…
- [NTSB CHI83LA134](https://openairdocs.org/ntsb/CHI83LA134.md): Balloon Works Firefly AX-7 · Augusta, MI · Accident · No injuries · Limited investigation · Final report · Mar 12, 1983 · N4057K · Substantial damage
  > The Balloon made a hard landing and ejected the pilot and passenger. The landing was made in a school parking lot. Afterdropping the occupants the Balloon contacted power lines with the envelope. The occurants were not injured.
- [NTSB CHI82DA325](https://openairdocs.org/ntsb/CHI82DA325.md): Cameron 0-77 · Wall Lake, MI · Accident · No injuries · Final report · Aug 22, 1982 · N89MW · Substantial damage
  > The pilot reported that during flight, he encountered unexpected light turbulence and elected to land at the next available spot. He stated that during a landing approach at about 50 ft above the treetops, a gust of wind was encountered that forced hot air…
- [NTSB CHI82DA178](https://openairdocs.org/ntsb/CHI82DA178.md): Balloon Works FIREFLY-7 · Wyoming, MI · Accident · No injuries · Final report · May 20, 1982 · N1533N · Substantial damage
  > The pilot was attempting to takeoff from a parking lot. He stated that when the Balloon was about 15 feet from the ground a gust of wind pushed the Balloon down into some trees and an apartment house.
- [NTSB CHI81DEC37](https://openairdocs.org/ntsb/CHI81DEC37.md): Vliegtuigbo SA-013 · Adrian, MI · Accident · No injuries · Closed · Jul 22, 1981 · N9121 · Substantial damage
- [NTSB CHI81DEC02](https://openairdocs.org/ntsb/CHI81DEC02.md): Piccard AX-6 · Metamora, MI · Accident · Serious injuries · Closed · Oct 23, 1980 · N2454Z · Substantial damage
- [NTSB CHI80DEC29](https://openairdocs.org/ntsb/CHI80DEC29.md): Piccard AX-6 · Pontiac, MI · Accident · Serious injuries · Closed · Aug 9, 1980 · N2482Z · No damage
- [NTSB CHI80DEM34](https://openairdocs.org/ntsb/CHI80DEM34.md): Schweizer 2-33A · Frankfort, MI · Accident · No injuries · Closed · Jul 5, 1980 · N17969 · Substantial damage
- [NTSB CHI80DEC18](https://openairdocs.org/ntsb/CHI80DEC18.md): BLN Works FRFY6B · Orchard Lake, MI · Accident · Serious injuries · Closed · Apr 19, 1980 · N4067L · No damage
- [NTSB CHI79FEC45](https://openairdocs.org/ntsb/CHI79FEC45.md): Lark 28B2 · Manchester, MI · Accident · No injuries · Closed · Aug 19, 1979 · N74NS · 2 aircraft · Substantial damage

Next page: https://openairdocs.org/ntsb.md?engine=00000&state=MI&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" = 'MI' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('00000'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=00000&state=MI

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