# NTSB investigations: Lycoming 0-320 series, 1991

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 5 · 219 cases

## Latest cases

- [NTSB ATL92FA032](https://openairdocs.org/ntsb/ATL92FA032.md): Piper PA 28-140 · Blythe, GA · Accident · Serious injuries · Field investigation · Final report · Dec 30, 1991 · N1733T · Substantial damage
  > The pilot's failure to apply carburetor heat during the before takeoff check as part of the ground check. A factor was weather conditions favorable for the formation of carburetor ice.
- [NTSB CHI92FA062](https://openairdocs.org/ntsb/CHI92FA062.md): Cessna 172M · Sanford, MI · Accident · 2 fatal · Field investigation · Final report · Dec 27, 1991 · N6623H · Destroyed
  > The pilot-in-command's failure to maintain a visual lookout to avoid a wire strike. Factors were the pilot-in-command's intentional low level flight, his failure to maintain proper altitude, and the transmission wires.
- [NTSB LAX92LA072](https://openairdocs.org/ntsb/LAX92LA072.md): Cessna 172K · Kamuela, HI · Accident · No injuries · Limited investigation · Final report · Dec 26, 1991 · N79948 · Substantial damage
  > The pilots encounter with a wind gust beyond the ground handling capability of the aircraft and his failure to obtain preflight weather information.
- [NTSB SEA92LA030](https://openairdocs.org/ntsb/SEA92LA030.md): Artic S-1B2 · Lysite, WY · Accident · Minor injuries · Limited investigation · Final report · Dec 21, 1991 · N71AT · Substantial damage
  > The pilot's failure to maintain clearance with terrain. Factors contributing to the accident were rising terrain, downdrafts, and the pilot's inadequate compensation for wind conditions.
- [NTSB DEN92LA018](https://openairdocs.org/ntsb/DEN92LA018.md): Piper PA-28-140 · Yuma, CO · Accident · No injuries · Limited investigation · Final report · Dec 21, 1991 · N455FL · Substantial damage
  > The pilot's failure to maintain aircraft control. Factors were: an improper flare and lack of total flight time.
- [NTSB ANC92LA021](https://openairdocs.org/ntsb/ANC92LA021.md): Piper PA-18 · Kenai, AK · Accident · No injuries · Limited investigation · Final report · Dec 20, 1991 · N8678D · Substantial damage
  > Engine failure due to fuel contamination. Contributing to the accident was unsuitable terrain.
- [NTSB ANC92T#A12](https://openairdocs.org/ntsb/ANC92T%23A12.md): Piper PA-18-150 · Anchorage, AK · Accident · No injuries · Class 3 · Final report · Dec 19, 1991 · N4500W · Substantial damage
- [NTSB MIA92LA049](https://openairdocs.org/ntsb/MIA92LA049.md): Cessna 172N · Gulfport, MS · Accident · No injuries · Limited investigation · Final report · Dec 18, 1991 · N733XV · Substantial damage
  > Failure of the pilot-in-command to perform a go-around and inadvertent stall.
- [NTSB CHI92FA059](https://openairdocs.org/ntsb/CHI92FA059.md): Cessna 172N · Cumberland, WI · Accident · 4 fatal · Field investigation · Final report · Dec 17, 1991 · N73920 · Destroyed
  > Failure to maintain aircraft control by the pilot in commnd. Factors in the accident are the pilot's continued flight into known adverse weather, a blocked pitot static system, lack of total expereince in type of operation, and lack of total expereince in…
- [NTSB FTW92LA049](https://openairdocs.org/ntsb/FTW92LA049.md): Kinkade E.5 Vans RV-4 · Alpine, TX · Accident · Minor injuries · Limited investigation · Final report · Dec 16, 1991 · N7EK · Substantial damage
  > Inadvertent stall.
- [NTSB CHI92LA056](https://openairdocs.org/ntsb/CHI92LA056.md): Cessna 177 · Elkhart, IN · Accident · No injuries · Limited investigation · Final report · Dec 9, 1991 · N2961X · Substantial damage
  > The pilot in command's failure to use carburetor heat. A factor to the accident was the carburetor icing conditions.
- [NTSB MIA92LA043](https://openairdocs.org/ntsb/MIA92LA043.md): Piper PA-28-161 · Vero Beach, FL · Accident · No injuries · Limited investigation · Final report · Dec 8, 1991 · N9222J · Substantial damage
  > Failure of the pilot to maintain directional control during the landing roll. This resulted in the collision with a sign. Contributing to the accident was his lack of total experience.
- [NTSB LAX92LA056](https://openairdocs.org/ntsb/LAX92LA056.md): Piper PA22-150 · Palo Alto, CA · Accident · No injuries · Limited investigation · Final report · Dec 1, 1991 · N3170Z · Substantial damage
  > The pilot's failure to maintain directional control during the landing rollout.
- [NTSB MIA92LA035](https://openairdocs.org/ntsb/MIA92LA035.md): Piper PA-28-161 · Bunnell, FL · Accident · No injuries · Limited investigation · Final report · Nov 27, 1991 · N152ER · Substantial damage
  > Improper handling of the aircraft by the pilot-in-command and failure to maintain directional control. Contributing to the accident was the lack of total experience of the pilot-in-command.
- [NTSB CHI92LA033](https://openairdocs.org/ntsb/CHI92LA033.md): Cessna 172P · Marquette, MI · Accident · Serious injuries · Limited investigation · Final report · Nov 23, 1991 · N96147 · Destroyed
  > Flight into known adverse weather conditions by the pilot, which resulted in airframe (wing) icing and the inability to maintain altitude. The adverse weather conditions and darkness were related factors.
- [NTSB DEN92LA009](https://openairdocs.org/ntsb/DEN92LA009.md): Cessna 172N · Boulder, CO · Accident · No injuries · Limited investigation · Final report · Nov 20, 1991 · N80893 · Substantial damage
  > Failure of the pilot to maintain clearance from the sign.
- [NTSB DEN92LA008](https://openairdocs.org/ntsb/DEN92LA008.md): Piper PA-28-161 · Greeley, CO · Accident · No injuries · Limited investigation · Final report · Nov 18, 1991 · N9811C · Substantial damage
  > A partial loss of engine power on initial takeoff climb due to a bent and loose carburetor heat control mechanism.
- [NTSB MIA92LA031](https://openairdocs.org/ntsb/MIA92LA031.md): Robinson R22 Mariner · Ocala, FL · Accident · Minor injuries · Limited investigation · Final report · Nov 17, 1991 · N4072U · Substantial damage
  > The pilot-in-command's improper use of collective control and throttle during recovery from an autorotation which resulted in loss of rotor RPM and a subsequent hard landing.
- [NTSB CHI92LA029](https://openairdocs.org/ntsb/CHI92LA029.md): Cessna 172 · Howell, MI · Accident · Serious injuries · Limited investigation · Final report · Nov 17, 1991 · N73475 · Substantial damage
  > Proper glidepath was not maintained resulting in an undershoot. A factor related to the accident was dark night flying conditions.
- [NTSB NYC92DGM01](https://openairdocs.org/ntsb/NYC92DGM01.md): Willkins-Wayne VARI-VIGGEN · Erie, PA · Accident · 1 fatal · Final report · Nov 13, 1991 · N12VV · Destroyed
  > The pilot lost control of the airplane at too low an altitude to recover. Factors related to the accident were the pilot's low time and experience in this type of airplane.
- [NTSB FTW92LA021](https://openairdocs.org/ntsb/FTW92LA021.md): Cessna 177 · Santa Teresa, NM · Accident · No injuries · Limited investigation · Final report · Nov 7, 1991 · N29348 · Substantial damage
  > The pilot's failure to initiate corrective action in a timely fashion.
- [NTSB FTW92LA017](https://openairdocs.org/ntsb/FTW92LA017.md): Cessna 172M · Springer, NM · Accident · No injuries · Limited investigation · Final report · Nov 2, 1991 · N61539 · Substantial damage
  > The pilot's poor judgement in attempting flight into forcasted adverse weather, his disregard for the hazardous weather advisory received which resulted in partial loss of engine power as a result of a blocked induction system due to ice and snow, and the…
- [NTSB ANC92LA012](https://openairdocs.org/ntsb/ANC92LA012.md): Cessna 172 · Ekuk, AK · Accident · No injuries · Limited investigation · Final report · Oct 31, 1991 · N46279 · Substantial damage
  > The pilot's improper in flight planning and decision in that he attempted to touchdown too close to the log.
- [NTSB ANC92LA011](https://openairdocs.org/ntsb/ANC92LA011.md): Piper PA-18 · Talkeetna, AK · Accident · No injuries · Limited investigation · Final report · Oct 26, 1991 · N1887A · Substantial damage
  > The pilot's failure to maintain airspeed.
- [NTSB DEN92LA004](https://openairdocs.org/ntsb/DEN92LA004.md): Piper PA-28 · Berryville, AR · Accident · Minor injuries · Limited investigation · Final report · Oct 22, 1991 · N4616R · Substantial damage
  > A power loss for undetermined reasons. Factors were: incorrect fuel, improper maintenance, and inadequate maintenance inspection interval.
- [NTSB LAX92LA022](https://openairdocs.org/ntsb/LAX92LA022.md): Piper PA-28-160 · Compton, CA · Accident · No injuries · Limited investigation · Final report · Oct 21, 1991 · N41669 · Substantial damage
  > The improper maintenance of the alternator's drive belt by the aircraft owner which resulted in its total failure. A factor which contributed to the accident was the inadequate distance available for the pilot to stop the airplane.
- [NTSB CHI92FA013](https://openairdocs.org/ntsb/CHI92FA013.md): Piper PA28-140 · Lafayette, IN · Accident · 2 fatal · Field investigation · Final report · Oct 19, 1991 · N38713 · Destroyed
  > Failure of the pilot to compensate for wind conditions during initial climb. Factors associated with the accident are crosswind conditions and a dark night light condition.
- [NTSB ATL92LA011](https://openairdocs.org/ntsb/ATL92LA011.md): Winchester Thorp T-18 · Walterboro, SC · Accident · No injuries · Limited investigation · Final report · Oct 19, 1991 · N27DW · Substantial damage
  > The student pilot's improper use of the wheel brakes, and the subsequent loss of directional control. Factors in this accident were the student pilot's lack of total flying experience and the pilot-in-command's inadequate supervision of the flight.
- [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 ANC92FA005](https://openairdocs.org/ntsb/ANC92FA005.md): Piper PA-18 · Montague Island, AK · Accident · Minor injuries · Field investigation · Final report · Oct 16, 1991 · N3850Z · Substantial damage
  > The power loss due to the crankshaft failure. Contributing to the accident was improper maintenance during the last engine overhaul.
- [NTSB DEN92LA003](https://openairdocs.org/ntsb/DEN92LA003.md): Piper PA-18-150 · Telluride, CO · Accident · No injuries · Limited investigation · Final report · Oct 13, 1991 · N4488Z · Substantial damage
  > The pilot flying the aircraft at a height above ground level which was inadequate for recovery from an encounter with down drafts. A factor was: down draft encounter.
- [NTSB NYC92LA004](https://openairdocs.org/ntsb/NYC92LA004.md): Cessna 172 · Toledo, OH · Accident · No injuries · Limited investigation · Final report · Oct 10, 1991 · N739LT · Substantial damage
  > The pilot's failure to preform an aircraft preflight, and remove the gust lock from the aileron, resulting in a loss of airplane control during initial climb.
- [NTSB ANC92TF#01](https://openairdocs.org/ntsb/ANC92TF%2301.md): Piper PA-18 · Port Heiden, AK · Accident · No injuries · Class 3 · Final report · Oct 9, 1991 · N7056 · Substantial damage
- [NTSB MIA92FA004](https://openairdocs.org/ntsb/MIA92FA004.md): Aero Commander 100 · Carrabelle, FL · Accident · 1 fatal · Field investigation · Final report · Oct 5, 1991 · N3673X · Destroyed
  > The non instrument-rated pilot-in-command's decision to continue flight into known instrument meteorological conditions (thunderstorm) and failure to maintain airspeed (vso) while maneuvering. Contributing to the accident was the pilot-in-command's failure to…
- [NTSB NYC92LA001](https://openairdocs.org/ntsb/NYC92LA001.md): Cessna 172 · Auburn, ME · Accident · Minor injuries · Limited investigation · Final report · Oct 4, 1991 · N2065E · Substantial damage
  > The pilot was buzzing and stalled the airplane at too low an altitude to recover.
- [NTSB DEN92LA002](https://openairdocs.org/ntsb/DEN92LA002.md): Cessna 172M · Erie, CO · Accident · No injuries · Limited investigation · Final report · Oct 4, 1991 · N80650 · Substantial damage
  > The pilot's failure to maintain directional control land his inadequate compensation for wind conditions. Factors were: crosswind conditions and the pilot's total lack of experience.
- [NTSB LAX92LA003](https://openairdocs.org/ntsb/LAX92LA003.md): Cessna C-172N · Palo Alto, CA · Accident · Minor injuries · Limited investigation · Final report · Oct 3, 1991 · N3318E · Substantial damage
  > An inflight los of control due to the failure of the student pilot to correctly configure the rudder trim for takeoff.
- [NTSB CHI91DEV05](https://openairdocs.org/ntsb/CHI91DEV05.md): Ullman Vari Viggen · Greenville, IL · Accident · No injuries · Final report · Sep 29, 1991 · N22VV · Substantial damage
  > Improper maintenance installation of the propeller.
- [NTSB ATL91LA182](https://openairdocs.org/ntsb/ATL91LA182.md): Cessna 172N · Knoxville, TN · Accident · Minor injuries · Limited investigation · Final report · Sep 29, 1991 · N5918E · Substantial damage
  > The pilot's failure to accurately evaluate the weather conditions before attempting a takeoff and his delay in aborting the takeoff procedure. A factor was the dark night.
- [NTSB SEA91LA254](https://openairdocs.org/ntsb/SEA91LA254.md): Bellanca 7GCBC · Kaycee, WY · Accident · No injuries · Limited investigation · Final report · Sep 28, 1991 · N5505H · Substantial damage
  > Inadequate clearance with the vehicle and the pilot's failure to obtain proper assistance for the takeoff. Factors contributing to the accident were 1) the pilot's inadequate preflight planning, 2) the vehicle, and 3) high density altitude conditions.
- [NTSB LAX91LA407](https://openairdocs.org/ntsb/LAX91LA407.md): Robinson R-22 · Livermore, CA · Accident · No injuries · Limited investigation · Final report · Sep 26, 1991 · N2302A · Substantial damage
  > 1) Incorrect control input by the student pilot and 2) the flight instructor's inadequate supervision of his student. A contributing factor in this accident was the unfavorable wind conditions.
- [NTSB SEA91LA249](https://openairdocs.org/ntsb/SEA91LA249.md): Cessna 177 · Snohomish, WA · Accident · No injuries · Limited investigation · Final report · Sep 23, 1991 · N3314T · Substantial damage
  > The separation of the mixture control cable (core) resulting from separation of the adel clamp assembly and improper adjustment by maintenance personnel.
- [NTSB LAX91LA404](https://openairdocs.org/ntsb/LAX91LA404.md): Cessna 172 · Cottonwood, AZ · Accident · No injuries · Limited investigation · Final report · Sep 22, 1991 · N738EL · Substantial damage
  > The pilot-in-command's delay in raising the flaps and the subsequent inadvertent stall/mush.
- [NTSB FTW91LA165](https://openairdocs.org/ntsb/FTW91LA165.md): Piper PA-28-150 · Van Horn, TX · Accident · 1 fatal · Limited investigation · Final report · Sep 21, 1991 · N5330W · Destroyed
  > The pilot's failure to maintain control of the airplane. A factor was the pilot's lack of total experience.
- [NTSB ATL91LA179](https://openairdocs.org/ntsb/ATL91LA179.md): Piper PA-28-140 · Greenville, SC · Accident · Minor injuries · Limited investigation · Final report · Sep 21, 1991 · N8728N · Substantial damage
  > The dual student's improper positioning of the fuel tank selector handle, and the cfi's inadequate supervision of her student. A factor in this accident was: the cfi's lack of experience as a flight instructor.
- [NTSB NYC91LA241](https://openairdocs.org/ntsb/NYC91LA241.md): Robinson R22B · Wexford, PA · Accident · No injuries · Limited investigation · Final report · Sep 20, 1991 · N2289K · Substantial damage
  > The pilot's improper procedures during a practice autorotation, and selection of unsuitable terrain. Contributing to the accident was a loss of engine power for undetermined reasons, at a low altitude.
- [NTSB FTW91LA163](https://openairdocs.org/ntsb/FTW91LA163.md): Champion 7-GCB · Frankston, TX · Accident · 1 fatal · Limited investigation · Final report · Sep 20, 1991 · N9908Y · No damage
  > The ground person did not understand the verbal instructions.
- [NTSB SEA91LA243](https://openairdocs.org/ntsb/SEA91LA243.md): Donald W. Sorrels Vans RV-6 · Kennewick, WA · Accident · No injuries · Limited investigation · Final report · Sep 18, 1991 · N391DS · Substantial damage
  > The loss of power due to the pilot/builder's improper adjustment of the engine idle speed. A factor relating to the accident was the soft terrain at the accident site.
- [NTSB FTW91LA162](https://openairdocs.org/ntsb/FTW91LA162.md): Robinson R22 · Lewisville, TX · Accident · Minor injuries · Limited investigation · Final report · Sep 17, 1991 · N2306C · Destroyed
  > Loss of control due to foreign object damage induced binding flight controls. A factor was improper maintenance.
- [NTSB ATL91LA175](https://openairdocs.org/ntsb/ATL91LA175.md): Cessna 172K · Greeneville, TN · Accident · No injuries · Limited investigation · Final report · Sep 15, 1991 · N78239 · 2 aircraft · Substantial damage
  > The inadequate visual lookout by the pilot of N78239, and his failure to accurately judge the distance between the two aircraft. Factors in the accident were the dark night conditions and the resulting visual perception of aircraft lighting in dark conditions.

Next page: https://openairdocs.org/ntsb.md?engine=41508&year=1991&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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41508'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41508&year=1991

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