# NTSB investigations, MD: Standing

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 ERA26LA262](https://openairdocs.org/ntsb/ERA26LA262.md): Piper PA-28-161 · Easton, MD · Accident · No injuries · Class 4 · Limited · Investigation open · Jun 29, 2026 · N8394D · Substantial damage
- [NTSB ERA18LA269](https://openairdocs.org/ntsb/ERA18LA269.md): Robinson R44 · Westminster, MD · Accident · No injuries · Limited investigation · Final report · Sep 30, 2018 · N440SH · Substantial damage
  > The pilot's attempt to move the helicopter from a sloped surface after an overspeed event, which resulted in a loss of helicopter control and impact with a car. The overspeed event resulted from misrouted and damaged wiring in the magneto, which subsequently…
- [NTSB ERA11LA428](https://openairdocs.org/ntsb/ERA11LA428.md): Schweizer 269C · Darlington, MD · Accident · Minor injuries · Limited investigation · Final report · Jul 29, 2011 · N39SH · Substantial damage
  > Inadequate maintenance of the helicopter's landing gear dampers, which resulted in a main rotor out-of-balance condition and ground resonance encounter.
- [NTSB ERA09CA386](https://openairdocs.org/ntsb/ERA09CA386.md): Champion 7AC · Westminster, MD · Accident · No injuries · Data collection · Final report · Jul 3, 2009 · N1397E · Substantial damage
  > The pilot's failure to properly set the throttle for start.
- [NTSB ERA09CA041](https://openairdocs.org/ntsb/ERA09CA041.md): Cessna 172 · Frederick, MD · Accident · Serious injuries · Data collection · Final report · Nov 7, 2008 · N1242C · No damage
  > The passenger’s failure to avoid the rotating propeller after exiting the airplane. Contributing to the accident was the pilot’s failure to include deplaning procedures as part of the passenger safety briefing.
- [NTSB IAD00IA026](https://openairdocs.org/ntsb/IAD00IA026.md): Boeing - Canada DHC-8-102 · Baltimore, MD · Incident · No injuries · Incident investigation · Final report · Mar 12, 2000 · N838EX · Minor damage
  > the missing elevator stop bumper that resulted in elevator over-travel and damage to the elevator. A factor in the incident was the abrupt release of the elevator control lock in windy conditions.
- [NTSB IAD99LA047](https://openairdocs.org/ntsb/IAD99LA047.md): Nanchang CJ-6A · Ocean City, MD · Accident · Serious injuries · Limited investigation · Final report · May 30, 1999 · N4MF · No damage
  > Was the pilot leaving the magneto switch in the on position while hand rotating the propeller.
- [NTSB NYC94LA117](https://openairdocs.org/ntsb/NYC94LA117.md): WSK PZL Wilga 80 · Churchville, MD · Accident · Serious injuries · Limited investigation · Final report · Jul 11, 1994 · N7080B · No damage
  > Improper starting procedure by the pilot.
- [NTSB BFO90DIG02](https://openairdocs.org/ntsb/BFO90DIG02.md): Cessna 182J · Frederick, MD · Accident · Minor injuries · Final report · Aug 1, 1990 · N2891F · Substantial damage
  > Failure of the pilot to assure that the magneto (ignition) switch was in the proper position. A factor related to the accident was: partial failure of the magneto switch, which allowed the key to be removed, though the switch was not in the 'off' position.
- [NTSB BFO90LA037](https://openairdocs.org/ntsb/BFO90LA037.md): Robinson R22 Beta · Prnc Frederick, MD · Accident · Minor injuries · Limited investigation · Final report · Apr 22, 1990 · N2580E · Substantial damage
  > The pilot's improper planning/decision by not shutting down the engine or assuring the helicopter was properly attended,when he deplaned.
- [NTSB BFO89LA077](https://openairdocs.org/ntsb/BFO89LA077.md): Taylorcraft BC-65 · Leonardtown, MD · Accident · No injuries · Limited investigation · Final report · Aug 27, 1989 · N24463 · Substantial damage
  > Inadequate preflight planning/preparation by the pilot by not assuring that the acft was properly secured, or that someone was at the controls while he was hand propping the engine. A related factor was the pilot's improper adjustment of the throttle cable.
- [NTSB BFO89LA076](https://openairdocs.org/ntsb/BFO89LA076.md): Cessna 150 · Gaithersburg, MD · Accident · No injuries · Limited investigation · Final report · Aug 26, 1989 · N6840G · Substantial damage
  > An undetermined problem with the ignition system. A factor related to the accident was: the pilot's failure to properly secure the airplane or obtain proper assistance.
- [NTSB BFO89LA018](https://openairdocs.org/ntsb/BFO89LA018.md): Cessna 172I · Fort Washington, MD · Accident · Serious injuries · Limited investigation · Final report · Feb 26, 1989 · N8359L · No damage
  > The passenger failed to maintain adequate clearance from the propeller as she attempted to board the aircraft. Both the pilot failure to supervise the boarding of the passenger and the night light conditions are contributing factors to the accident.
- [NTSB BFO87LA045](https://openairdocs.org/ntsb/BFO87LA045.md): Beech A23-19 · Cambridge, MD · Accident · No injuries · Limited investigation · Final report · Jul 6, 1987 · N5775V · Substantial damage
  > When the aircraft failed to start the pilot set the throttle, insured the aircraft was tied down and attempted to start the aircraft by hand propping. The aircraft started immediately, broke both tie-down ropes, traveled across the field into a ditch and…
- [NTSB BFO87LA011](https://openairdocs.org/ntsb/BFO87LA011.md): Cessna 182K · Baltimore, MD · Accident · Serious injuries · Limited investigation · Final report · Nov 22, 1986 · N2733Q · Substantial damage
  > The acft traveled out of control after the plt hand-prop started the engine. The acft collided with a parked fuel trucks. There was no fire. The sole occupant in the acft was a non-pilot passenger.
- [NTSB IAD70DIG13](https://openairdocs.org/ntsb/IAD70DIG13.md): Enstrom F-28A · Silver Springs, MD · Accident · No injuries · Closed · Apr 10, 1970 · N4886 · Substantial damage
- [NTSB DIA68D0146](https://openairdocs.org/ntsb/DIA68D0146.md): Navion A · Lusby, MD · Accident · Serious injuries · Closed · Jan 21, 1968 · N91666 · No damage
- [NTSB DIA68D0071](https://openairdocs.org/ntsb/DIA68D0071.md): Piper PA-28 · Edgewater, MD · Accident · No injuries · Closed · Aug 29, 1967 · N4156J · 2 aircraft · Substantial damage
- [NTSB DIA67D0075](https://openairdocs.org/ntsb/DIA67D0075.md): Piper PA-22 · Patuxent Nas, MD · Accident · No injuries · Closed · Mar 27, 1967 · N5730Z · Substantial damage
- [NTSB NYC66A0075](https://openairdocs.org/ntsb/NYC66A0075.md): Piper PA-28 · Gaithersburg, MD · Accident · 1 fatal · Closed · Jan 16, 1966 · N7256W · No damage
- [NTSB NYC66A0009](https://openairdocs.org/ntsb/NYC66A0009.md): Brantly B-2 · Suitland, MD · Accident · No injuries · Closed · Jul 12, 1965 · N2277U · Substantial damage
- [NTSB NYC66F0011](https://openairdocs.org/ntsb/NYC66F0011.md): Aero CDR 560A · Baltimore, MD · Accident · No injuries · Closed · Jun 6, 1965 · N2785B · Minor damage
- [NTSB NYC65A0107](https://openairdocs.org/ntsb/NYC65A0107.md): Brantly B2 · Clinton, MD · Incident · No injuries · Closed · Feb 12, 1965 · N5973X · Substantial damage
- [NTSB UNK64X2697](https://openairdocs.org/ntsb/UNK64X2697.md): Piper PA23 · Ocean City, MD · Accident · No injuries · Closed · Jul 7, 1964 · N3479P · Substantial damage

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
  crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
  current_codes AS (
    SELECT e.case_mkey, TRY_CAST(e."tier1Number" AS INTEGER) AS code,
      row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e."isDefiningEvent", false) DESC, e.position) AS n
    FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
    WHERE e.aircrafts_position = 1 AND e."tier1Number" GLOB '[1-9][0-9]*'
      AND (e."isDefiningEvent" OR e.case_mkey IN (SELECT "mKey" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE "isPre1982"))
  ),
  phases AS (
    SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
    FROM current_codes WHERE n = 1
    UNION ALL
    SELECT o.case_mkey, 'older', o."phaseOfFlightCode", w.main
    FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o."phaseOfFlightCode"
    WHERE o.aircrafts_position = 1 AND o."occurrenceNumber" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
  ),
  case_phases AS (
    SELECT p.*, c."eventDate", c."highestInjuryLevel" = 'Fatal' AS fatal, a.aircraft_model_code
    FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = p.case_mkey
    LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
    WHERE c."eventDate" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
  )
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 case_mkey FROM case_phases WHERE main = 150)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/150/cases?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.