# NTSB investigations: Lycoming 0-540 series, MD

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.

## Latest cases

- [NTSB ERA26LA312](https://openairdocs.org/ntsb/ERA26LA312.md): Piper PA24 · Fort Washington, MD · Accident · No injuries · Class 4 · Limited · Investigation open · Aug 21, 2026 · N6969P · Substantial damage
- [NTSB ERA24LA380](https://openairdocs.org/ntsb/ERA24LA380.md): Piper PA32 · Baltimore, MD · Accident · No injuries · Class 3 · Limited · Final report · Sep 14, 2024 · N6FT · Substantial damage
  > The undetected worn internal parts of the on-condition carburetor, which restricted movement of the float, resulting in fuel starvation. Contributing to the severity of the accident was the pilot’s delayed reduction of the throttle when performing a forced…
- [NTSB ERA22LA191](https://openairdocs.org/ntsb/ERA22LA191.md): Piper PA-32-260 · Grantsville, MD · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 16, 2022 · N3618W · Substantial damage
  > The pilot’s decision to continue the flight into an area of moderate to heavy icing conditions, which resulted in a degradation of airplane performance and subsequent loss of control.
- [NTSB ERA21LA259](https://openairdocs.org/ntsb/ERA21LA259.md): Maule M5 · Annapolis, MD · Accident · No injuries · Class 4 · Limited · Final report · Jun 20, 2021 · N4464Y · Substantial damage
  > The pilot’s failure to maintain directional control during landing.
- [NTSB ERA21LA015](https://openairdocs.org/ntsb/ERA21LA015.md): Piper PA24 · Friendly, MD · Accident · No injuries · Class 4 · Limited · Final report · Oct 10, 2020 · N155TE · Substantial damage
  > The pilot’s failure to maintain control of the airplane during an aborted landing and the flight instructor’s inadequate remedial action.
- [NTSB ERA11LA491](https://openairdocs.org/ntsb/ERA11LA491.md): Cessna TR182 · Stevensville, MD · Accident · No injuries · Limited investigation · Final report · Sep 5, 2011 · N950RC · Substantial damage
  > The pilot did not maintain directional control during the landing roll.
- [NTSB ERA09FA417](https://openairdocs.org/ntsb/ERA09FA417.md): Robinson Helicopter R44 · Boonsboro, MD · Accident · 4 fatal · Field investigation · Final report · Jul 24, 2009 · N7189W · Substantial damage
  > The pilot’s improper decision to depart on a visual flight rules (VFR) flight at night in adverse weather conditions in close proximity to rising mountainous terrain in a helicopter that was only certified to be operated under VFR and his subsequent failure…
- [NTSB NYC00LA045](https://openairdocs.org/ntsb/NYC00LA045.md): Cessna TR 182 · Clarksville, MD · Accident · Minor injuries · Limited investigation · Final report · Dec 5, 1999 · N5260S · Substantial damage
  > Deer that entered the runway environment while the pilot was executing a takeoff.
- [NTSB IAD99LA014](https://openairdocs.org/ntsb/IAD99LA014.md): Piper PA-32-260 · Baltimore, MD · Accident · No injuries · Limited investigation · Final report · Nov 9, 1998 · N4808S · Substantial damage
  > An inadvertent collision with a deer on the runway. A contributing factor was night conditions.
- [NTSB IAD96LA130](https://openairdocs.org/ntsb/IAD96LA130.md): Piper PA-32-260 · Gaithersburg, MD · Accident · No injuries · Limited investigation · Final report · Aug 9, 1996 · N1439T · Substantial damage
  > the unexpected appearance of a deer on the runway.
- [NTSB BFO94LA107](https://openairdocs.org/ntsb/BFO94LA107.md): Piper PA-24-250 · Forest Hill, MD · Accident · No injuries · Limited investigation · Final report · Jun 18, 1994 · N7825P · Substantial damage
  > The loss of engine power during for undetermined reasons.
- [NTSB NYC92FA093](https://openairdocs.org/ntsb/NYC92FA093.md): Cessna 172N · Brookeville, MD · Accident · 3 fatal · Field investigation · Final report · Jun 1, 1992 · N738YV · 2 aircraft · Destroyed
  > Improper inflight planning/decision by the flight instructor (pic/cfi) in the Cessna 172, his misjudgement of distance between the two airplanes, and inadequate visual lookout by both pilots in the Cessna 172.
- [NTSB BFO88LA084](https://openairdocs.org/ntsb/BFO88LA084.md): Piper PA-25-235 · Princess Anne, MD · Accident · No injuries · Limited investigation · Final report · Sep 23, 1988 · N7781Z · Substantial damage
  > The pilot reported that he had sprayed aprx 1/2 of the soybean field when smoke started to fill the cockpit. He shut off the spray, turned off the electrical system and opened the fresh air vents. He then looked back at the tail section of the airplane and…
- [NTSB BFO88FA068](https://openairdocs.org/ntsb/BFO88FA068.md): Cessna R182RG · Stevensville, MD · Accident · 2 fatal · Field investigation · Final report · Jul 24, 1988 · N9997C · Destroyed
  > The acft departed bay bridge arpt at aprx 0415 EDT. The passenger, also a plt, was reading back an IFR clearance to ATC when communication ended in the middle of a sentence without any sign of distress. Comparison of ATC and radar tapes indicates that N9997C…
- [NTSB BFO85LA059](https://openairdocs.org/ntsb/BFO85LA059.md): Cessna 182RG · Stevensville, MD · Accident · No injuries · Limited investigation · Final report · Jul 19, 1985 · N737XD · Substantial damage
  > After landing to the left of the centerline of rwy 10, the acft veered left off the rwy and collided with a drainage ditch located approximately 10 yards from the rwy. Following contract with the ditch, at approximately 15 mph, the acft flipped over, coming…
- [NTSB ATL83FIG04](https://openairdocs.org/ntsb/ATL83FIG04.md): Piper PA-32-260 · Laurel, MD · Accident · No injuries · Final report · May 13, 1983 · N4823T · Substantial damage
  > The pilot started a go-around after the acft had progressed over half way down the runway in the air. When full power was applied the engine sputtered and quit. The pilot changed fuel tanks, lowered the nose and landed straight ahead in the tops of trees.…
- [NTSB ATL83FA049](https://openairdocs.org/ntsb/ATL83FA049.md): Piper PA-24-250 · Ocean City, MD · Accident · 2 fatal · Field investigation · Final report · Dec 2, 1982 · N5284P
  > The pilot and passenger bodies were recovered from the atlantic Ocean near Ocean City, MD. Both persons had died of drowning without serious traumatic injuries. The aircraft was not recovered. Low ceilings and visibilities were reportedin the area throughout…
- [NTSB IAD79FA072](https://openairdocs.org/ntsb/IAD79FA072.md): Cessna 182RG · Annapolis, MD · Accident · No injuries · Closed · Aug 30, 1979 · N6014C · Substantial damage
- [NTSB IAD79FIG07](https://openairdocs.org/ntsb/IAD79FIG07.md): Piper PA-22 · College Park, MD · Accident · No injuries · Closed · Jun 1, 1979 · N3618Z · Substantial damage
- [NTSB IAD74DIG20](https://openairdocs.org/ntsb/IAD74DIG20.md): Piper PA-24 · Harrisonville, MD · Accident · No injuries · Closed · Mar 23, 1974 · N7608P · Substantial damage
- [NTSB IAD74FIG15](https://openairdocs.org/ntsb/IAD74FIG15.md): Piper PA-28 · Frederick, MD · Accident · No injuries · Closed · Dec 2, 1973 · N9185W · Substantial damage
- [NTSB NYC72FIG26](https://openairdocs.org/ntsb/NYC72FIG26.md): Piper PA-32 · Oakland, MD · Accident · Serious injuries · Closed · May 25, 1972 · N3930W · Substantial damage
- [NTSB IAD71FIA08](https://openairdocs.org/ntsb/IAD71FIA08.md): Piper PA-32 · Rose Haven, MD · Accident · No injuries · Closed · Sep 3, 1970 · N3398W · Substantial damage
- [NTSB IAD70DIG10](https://openairdocs.org/ntsb/IAD70DIG10.md): Callair A-9 · Massey, MD · Accident · No injuries · Closed · Mar 12, 1970 · N7220V · Substantial damage
- [NTSB DIA70F0045](https://openairdocs.org/ntsb/DIA70F0045.md): Piper PA-24 · Friendshp Arpt, MD · Accident · No injuries · Closed · Aug 1, 1969 · N8375P · Substantial damage
- [NTSB DIA70F0023](https://openairdocs.org/ntsb/DIA70F0023.md): Piper PA-24 · Laytonsville, MD · Accident · No injuries · Closed · Jun 18, 1969 · N7181P · Substantial damage
- [NTSB DIA69F0170](https://openairdocs.org/ntsb/DIA69F0170.md): Piper PA-28 · Bower, MD · Accident · Minor injuries · Closed · Apr 1, 1969 · N8564W · Substantial damage
- [NTSB DIA68F0163](https://openairdocs.org/ntsb/DIA68F0163.md): Piper PA-24 · Crisfield, MD · Accident · No injuries · Closed · Feb 6, 1968 · N7009P · Substantial damage
- [NTSB DIA68D0076](https://openairdocs.org/ntsb/DIA68D0076.md): Piper PA-24 · Mitchelville, MD · Accident · No injuries · Closed · Sep 1, 1967 · N740W · Substantial damage
- [NTSB DIA67D0012](https://openairdocs.org/ntsb/DIA67D0012.md): Piper PA-22 · Randallstown, MD · Accident · No injuries · Closed · Jan 18, 1967 · N3618Z · Substantial damage
- [NTSB DIA67F0029](https://openairdocs.org/ntsb/DIA67F0029.md): Piper PA-28 · Pasadena, MD · Accident · No injuries · Closed · Jan 16, 1967 · N8773W · Substantial damage
- [NTSB DIA67F0023](https://openairdocs.org/ntsb/DIA67F0023.md): Piper PA-23 · Hagerstown, MD · Accident · No injuries · Closed · Jan 11, 1967 · N4962P · Substantial damage
- [NTSB NYC67D0214](https://openairdocs.org/ntsb/NYC67D0214.md): Piper PA-28 · Laurel, MD · Accident · No injuries · Closed · Aug 31, 1966 · N8913W · Substantial damage
- [NTSB NYC66D0031](https://openairdocs.org/ntsb/NYC66D0031.md): Piper PA-24 · Snow Hill, MD · Accident · No injuries · Closed · Jun 6, 1965 · N7982P · Substantial damage
- [NTSB UNK65X0206](https://openairdocs.org/ntsb/UNK65X0206.md): Piper PA24 · Snow Hill, MD · Accident · No injuries · Closed · Oct 9, 1964 · N7982P · Substantial damage

## 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" = 'MD' 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 ('41532'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41532&state=MD

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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.