NTSB investigations, 2004
48 cases where the phase of flight was Taxi.
Cases per year
| 1962 | 6 |
|---|---|
| 1963 | 6 |
| 1964 | 346 |
| 1965 | 306 |
| 1966 | 372 |
| 1967 | 381 |
| 1968 | 215 |
| 1969 | 200 |
| 1970 | 212 |
| 1971 | 189 |
| 1972 | 181 |
| 1973 | 177 |
| 1974 | 169 |
| 1975 | 179 |
| 1976 | 151 |
| 1977 | 156 |
| 1978 | 184 |
| 1979 | 134 |
| 1980 | 132 |
| 1981 | 113 |
| 1982 | 127 |
| 1983 | 104 |
| 1984 | 96 |
| 1985 | 73 |
| 1986 | 70 |
| 1987 | 87 |
| 1988 | 83 |
| 1989 | 73 |
| 1990 | 74 |
| 1991 | 49 |
| 1992 | 55 |
| 1993 | 60 |
| 1994 | 51 |
| 1995 | 56 |
| 1996 | 59 |
| 1997 | 64 |
| 1998 | 65 |
| 1999 | 55 |
| 2000 | 57 |
| 2001 | 57 |
| 2002 | 62 |
| 2003 | 49 |
| 2004 | 48 |
| 2005 | 52 |
| 2006 | 51 |
| 2007 | 49 |
| 2008 | 64 |
| 2009 | 45 |
| 2010 | 41 |
| 2011 | 45 |
| 2012 | 41 |
| 2013 | 44 |
| 2014 | 33 |
| 2015 | 43 |
| 2016 | 38 |
| 2017 | 45 |
| 2018 | 50 |
| 2019 | 51 |
| 2020 | 25 |
| 2021 | 47 |
| 2022 | 52 |
| 2023 | 48 |
| 2024 | 45 |
| 2025 | 58 |
| 2026 | 47 |
Where
Latest cases
Query with SQL
duckdb -csv -c "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 year(c.\"eventDate\") = 2004
AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 250)
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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 year(c."eventDate") = 2004
AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 250)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ANC05CA019Accident · No injuriesData collectionFinal reportCessna U206G · Illiamna, AKThe pilot's inadequate compensation for the gusty wind conditions, which resulted in a loss of control, and the airplane nosing over. A factor contributing to the accident was the gusty wind condition.NTSB DFW05LA045Accident · No injuriesLimited investigationFinal reportCessna 421C · Henderson, TXThe failure of the nose landing gear trunnion lug. A contributing factor was the non-compliance of the service bulletin by maintenance personnel.NTSB ANC05CA017Accident · No injuriesData collectionFinal reportCessna U206G · Nunapitchuk, AKThe pilot's inadequate compensation for gusty wind conditions, which resulted in a loss of directional control, and collision with a ditch. Factors contributing to the accident were an icy taxiway and wind gusts.NTSB IAD05LA021Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · Allentown, PAThe pilot's improper decision to continue the flight with known deficiencies in equipment. Also causal was the failure of the right main landing gear due to overstress cracking.NTSB IAD05CA019Accident · No injuriesData collectionFinal reportEmbraer EMB-135BJ · Cleveland, OHThe pilot in command's improper decision to continue taxi without a ground marshaller, and her misjudged clearance from a parked airplane, which resulted in a ground collision during taxi. Factors which contributed to the accident were fatigue, night…NTSB LAX05LA038Accident · No injuriesLimited investigationFinal reportBeech 99 · Phoenix, AZthe pilot's inadequate visual lookout and failure to maintain clearance from obstacles while taxing in a nonmovement area at night.NTSB IAD05CA014Accident · No injuriesData collectionFinal reportCessna 172S · Mansfield, MAThe pilot's improper decision to taxi on a closed taxiway, and his misjudgment of obstacle clearance.NTSB ANC05LA015Accident · No injuriesLimited investigationFinal reportCessna U206F · Bethel, AKThe pilot's inadequate evaluation of the weather conditions, and his inadequate compensation for the wind conditions, which resulted in a loss of control and subsequent nose over during taxi from landing. A factor contributing to the accident was a tailwind.NTSB CHI05CA031Accident · No injuriesData collectionFinal reportPiper PA-28R-201T · Sikeston, MOThe pilot not maintaining his visual lookout and not maintaining clearance from the pole during his taxi to park from a landing. A factor was the pole he impacted.NTSB IAD05LA011Accident · Serious injuriesLimited investigationFinal reportChampion 7EC · Clarksburg, WVThe pilot's inability to operate the airplane's brake pedals which resulted in the loss of aircraft control.NTSB MIA05CA022Accident · No injuriesData collectionFinal reportChampion 7GCBC · Pierson, FLThe inadequate visual lookout by the pilot-in-command resulting in the airplane encountering uneven terrain, propeller contact to the ground, and subsequent nose over.NTSB IAD05LA009Accident · No injuriesLimited investigationFinal reportCessna 120 · Willimantic, CTthe pilot's loss of directional control due to his uneven application of brakes. A factor in the accident was the tailwind.NTSB MIA05LA018Accident · No injuriesLimited investigationFinal reportCessna 340A-RAM VI · Pensacola, FLThe left landing gear collapsing due to the actuator separating for undetermined reasons.NTSB NYC05LA013Accident · Minor injuriesLimited investigationFinal reportBombardier CL-600-2B19 · Philadelphia, PAThe flightcrew's misjudged clearance from a parked airport vehicle while taxiing. A factor was the vehicle operator's improper decision to park within a taxiway safety area.NTSB DFW05CA001Accident · Minor injuriesData collectionFinal reportBellanca 7ECA · Hearne, TXThe excessive taxi speed by the pilot in command resulting in the pilot's loss of control. A contributing factor was the quartering tailwind.NTSB LAX05CA001Accident · No injuriesData collectionFinal reportCessna TU206A · Nogales, AZthe pilot's failure to remain on the designated taxiway surface, which resulted in the airplane's collision with the ditch. The dark lighting condition was a factor to the accident.NTSB FTW04CA245Accident · No injuriesData collectionFinal reportCessna 172H · Houston, TXThe student pilot's failure to maintain clearance from a parked aircraft while taxiing. A contributing factor was the student pilot's anxiety attack.NTSB SEA04LA195Accident · No injuriesLimited investigationFinal reportPiper PA-28-181 · Seattle, WAThe failure of the pilot to maintain clearance with the parked airplane while taxiing. A factor contributing to the accident was the pilot's inadequate preflight planning.NTSB LAX04CA317Accident · No injuriesData collectionFinal reportPiper PA-32R-301 · Monterey, CAthe pilot's failure to maintain proper alignment with the taxiway and adequate obstacle clearance. A factor was the bright morning sunglare.NTSB LAX04LA334Accident · No injuriesLimited investigationFinal reportBritish Aerospace BAE 125-1000A · San Francisco, CAAn electrical arc from an undetermined source initiated a hydraulic line rupture, which resulted in an equipment bay fire.NTSB DEN04LA140Accident · No injuriesLimited investigationFinal reportBeech B-60 · Casper, WYthe missing nose gear assembly bolt, spacer and nut resulting in a gear collapse due to improper maintenance procedures. Contributing to the accident was the collision with the storm drain.NTSB ANC04LA100Accident · No injuriesLimited investigationFinal reportPiper PA-14 · Cordova, AKThe pilot's failure to maintain an adequate visual lookout during taxi, which resulted in a collision with a runway marker sign. A factor contributing to the accident was sunglare in the pilot's eyes.NTSB NYC04LA194Accident · No injuriesLimited investigationFinal reportPiper PA-28-151 · Philadelphia, PAThe inadequate visual lookout by the pilot of RV-6A and his failure to maintain clearance while taxiing, which resulted in an on-ground collision with the Piper.NTSB ANC04LA087Accident · Serious injuriesLimited investigationFinal reportHughes OH-6A · Anchorage, AKA loss of tail rotor effectiveness during aerial taxi, and the pilot's delayed remedial action to counteract a rapid right yaw, which resulted in an in-flight loss of directional control, and in-flight collision with terrain. A factor contributing to the…NTSB FTW04CA234Accident · No injuriesData collectionFinal reportLindstrand Balloons 90A · Allen, TXThe pilot's failure to maintain clearance with the power lines. A contributing factor was the gusty wind conditions.NTSB SEA04LA129Accident · No injuriesLimited investigationFinal reportLogston Starduster SA100DL · Arlington, WAThe pilot's failure to maintain clearance during taxi from another aircraft standing on the runway resulting in a collision. The aircraft standing on the runway was a factor.NTSB ATL04LA167Accident · No injuriesLimited investigationFinal reportCessna 172M · Winston Salem, NCThe pilot's failure to maintain clearance from the fence post, while taxing which resulted in a collision.NTSB NYC04IA152Incident · No injuriesIncident investigationFinal reportAirbus Industrie A319-114 · Manchester, NHThe Airbus captain's misjudged clearance, which resulted the left wing of the Airbus contacting the rudder of the stationary Canadair.NTSB LAX04CA221Accident · No injuriesData collectionFinal reportAmerican Blimp A-1-50 · North Las Vegas, NVthe ground crew's inability to maintain control of the airship and the pilot's inability to obtain a sufficient rate of climb. Contributing to the accident was unfavorable winds.NTSB ANC04LA054Accident · No injuriesLimited investigationFinal reportCessna 208B · Egegik, AKThe captain's improper evaluation of the weather conditions and improper decision to taxi the airplane in high gusting wind conditions which resulted in the airplane's right wing striking the ground. A contributing factor was the high gusting wind.NTSB LAX04CA208Accident · No injuriesData collectionFinal reportPiper PA-28-161 · Tucson, AZthe backhoe driver's failure to maintain visual lookout while maneuvering near a taxiway, which resulted in its collision with a taxiing airplane.NTSB ATL04LA110Accident · No injuriesLimited investigationFinal reportCessna 150K · Monticello, GAThe pilot's failure to maintain clearance from trees during taxi from landing.NTSB LAX04CA196Accident · No injuriesData collectionFinal reportCessna 172N · Lincoln, CAthe pilot's failure to maintain obstacle clearance.NTSB DEN04IA063Incident · No injuriesIncident investigationFinal reportCanadair CL-600-2B19 · Colorado Spring, COThe failed air conditioning fan by-pass check valve and the subsequent overtemperature of the air conditioning pack.NTSB LAX04LA184Accident · No injuriesLimited investigationFinal reportGrumman American AA-5B · San Jose, CAthe pilot's encounter with jet blast effects. Factors in the accident were the pilots' inadequate situational awareness of the potential for the jet blast encounter after hearing the Global Express airplane on the frequency call ready for taxi, and, the…NTSB NYC04LA099Accident · No injuriesLimited investigationFinal reportBeech 1900D · Windsor Locks, CTThe fuel truck driver's failure to maintain clearance with a taxiing airplane, resulting in the collision between the fuel truck and the airplane. A factor in the accident was the night condition.NTSB CHI04CA092Accident · No injuriesData collectionFinal reportCessna 150J · Gardner, KSThe pilot's inadequate visual lookout and failure to maintain clearance from the post. A factor was the post.NTSB ANC04LA044Accident · No injuriesLimited investigationFinal reportBeech V35B · Jacksonville, FLThe pilot's inadvertent retraction of the landing gear during the taxi from landing, which resulted in structural damage to the airplane.NTSB MIA04LA058Accident · 1 fatalLimited investigationFinal reportOrtmayer/Parson none · Bunnell, FLThe owner/pilot mechanic's failure to comply with a manufacture notice to replace the rotor blades and hub bar assembly, resulting in a failure of the hub bar to hub bar wing attaching bolt and separation of a main rotor blade.NTSB LAX04LA159Accident · No injuriesLimited investigationFinal reportBeech 65 · Sedona, AZan explosion of the left outboard wing, resulting from a leaking fuel line and the ignition of the flammable fuel/air mixture in the outboard wing bays; the source of ignition energy for the explosion could not be determined. A factor in the accident was an…NTSB DEN04IA050Incident · No injuriesIncident investigationFinal reportAirbus Industrie A320-232 · Denver, COthe failure of the other flight crew to maintain clearance from the airplane and the ground crews failure to follow proper pushback procedures.NTSB CHI04LA083Accident · No injuriesLimited investigationFinal reportCessna 195 · Manitowoc, WIThe Cessna 195 pilot's failure to maintain clearance from the Cessna 177RG while taxiing to the ramp after landing. A contributing factor was the restricted forward visibility (blind spot) of the Cessna 195 due to the engine cowling. An additional factor was…NTSB ANC04LA024Accident · Minor injuriesLimited investigationFinal reportRobinson R44 · Daytona Beach, FLThe pilot's inadequate compensation for wind conditions while hover taxiing, which resulted in a loss of control and subsequent in-flight collision with terrain and a rollover of the helicopter. A factor associated with the accident was a gusty wind condition.NTSB LAX04CA130Accident · No injuriesData collectionFinal reportCessna 172S · Riverside, CAthe pilot's inadequate visual lookout, which resulted in his failure to maintain proper alignment with the taxiway. Factors in the accident were the dusk lighting conditions and pilot not understanding the ground control taxi clearance.NTSB NYC04LA062Accident · No injuriesLimited investigationFinal reportGates Learjet 35A · Akron, OHAn improperly maintained ramp area, which resulted in a loss of airplane control while taxiing on ice. Factors in this accident were, high winds, and the down-sloping ramp.NTSB LAX04CA099Accident · No injuriesData collectionFinal reportCessna 152 · San Diego, CAthe pilot's misjudgment of clearance from the vehicle while taxiing. A factor in the accident was the pilot's diverted attention.NTSB LAX04LA090Accident · No injuriesLimited investigationFinal reportPiper PA-28R-180 · California City, CAthe pilot's decision to continue taxiing during dark night conditions without an operable taxi/landing light or taxiway lights and his failure to maintain taxiway alignment. Contributing factors to the accident were the dark night light conditions, the failed…NTSB LAX04CA088Accident · No injuriesData collectionFinal reportPiper PA 28-181 · Groveland, CAthe pilot's inadequate visual lookout, and his failure to maintain obstacle clearance. Factors to the accident were the parked vehicle, and the pilot's diverted attention.