NTSB investigations, 1993
276 cases where the phase of flight was Approach.
Cases per year
| 1962 | 14 |
|---|---|
| 1963 | 10 |
| 1964 | 530 |
| 1965 | 502 |
| 1966 | 600 |
| 1967 | 640 |
| 1968 | 597 |
| 1969 | 572 |
| 1970 | 583 |
| 1971 | 550 |
| 1972 | 522 |
| 1973 | 543 |
| 1974 | 541 |
| 1975 | 530 |
| 1976 | 504 |
| 1977 | 586 |
| 1978 | 567 |
| 1979 | 541 |
| 1980 | 508 |
| 1981 | 473 |
| 1982 | 433 |
| 1983 | 445 |
| 1984 | 433 |
| 1985 | 408 |
| 1986 | 382 |
| 1987 | 327 |
| 1988 | 342 |
| 1989 | 324 |
| 1990 | 334 |
| 1991 | 308 |
| 1992 | 291 |
| 1993 | 276 |
| 1994 | 251 |
| 1995 | 301 |
| 1996 | 272 |
| 1997 | 261 |
| 1998 | 238 |
| 1999 | 244 |
| 2000 | 256 |
| 2001 | 230 |
| 2002 | 232 |
| 2003 | 236 |
| 2004 | 216 |
| 2005 | 229 |
| 2006 | 225 |
| 2007 | 258 |
| 2008 | 211 |
| 2009 | 190 |
| 2010 | 176 |
| 2011 | 194 |
| 2012 | 181 |
| 2013 | 189 |
| 2014 | 178 |
| 2015 | 158 |
| 2016 | 160 |
| 2017 | 191 |
| 2018 | 172 |
| 2019 | 163 |
| 2020 | 156 |
| 2021 | 178 |
| 2022 | 204 |
| 2023 | 186 |
| 2024 | 164 |
| 2025 | 186 |
| 2026 | 90 |
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\") = 1993
AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 500)
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") = 1993
AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 500)
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 LAX94LA079Accident · 1 fatalLimited investigationFinal reportAero Commander 100 · Chico, CAIssuance of an improper (special VFR) clearance by the tower controller, while the visibility was less than one mile, continued VFR flight by the pilot into instrument meteorological conditions (IMC), and the pilot's failure to maintain control of the…NTSB ATL94LA031Accident · 2 fatalLimited investigationFinal reportCarson Piel Emeraude CP305 · Morrison, TNThe pilot's inadvertent flight into instrument meteorological conditions (IMC), and failure to maintain aircraft control after becoming spatially disoriented. Factors related to the accident were: the adverse weather conditions, and the pilot's improper…NTSB LAX94LA077Accident · No injuriesLimited investigationFinal reportPiper PA-28-181 · San Diego, CAThe pilot's inadequate compensation for the existing wind conditions and his failure to maintain a proper glidepath.NTSB CHI94LA059Accident · No injuriesLimited investigationFinal reportBeech C23 · Eden Prairie, MNan inadequate preflight by both the CFI and student pilot. Factors contributing to the accident was poor communications between the CFI and student pilot, and hilly terrain.NTSB CHI94LA058Accident · Serious injuriesLimited investigationFinal reportMooney M-20E · Chesterfield, MOthe pilot's failure to assure an adequate fuel supply for the planned flight. Factors associated with the accident were the trees, unreliable fuel gauges and the pilot's decision to operate the airplane with the known unreliable fuel gauges.NTSB ANC94LA027Accident · Minor injuriesLimited investigationFinal reportPiper PA-18 · Port Alsworth, AKThe pilot-in-command not maintaining the proper clearance from the terrain during the approach.NTSB CHI94LA052Accident · No injuriesLimited investigationFinal reportCessna 404 · Big Rapids, MIThe pilot's descent below the minimum descent altitude.NTSB LAX94FA073Accident · 5 fatalField investigationFinal reportIsrael Aircraft Industries 1124A · Santa Ana, CAThe pilot-in-command's failure to maintain adequate separation behind the Boeing 757 and/or remain above its flight path during the approach, which resulted in an encounter with wake vortices from the 757. Factors related to the accident were: an inadequacy…NTSB SEA94FA040Accident · 1 fatalField investigationFinal reportPiper PA-32R-300 · Spokane, WAThe pilot's failure to maintain proper alignment with the instrument landing system approach course. The pilot's failure to perform a missed approach was a factor.NTSB CHI94FA050Accident · 3 fatalField investigationFinal reportMitsubishi MU-300 · Goodland, KSThe pilot-in-command's inadvertent stall of the airplane. A factor associated with the accident is the pilot-in-command's poor IFR procedures.NTSB CHI94FA048Accident · 2 fatalField investigationFinal reportPiper PA-32R-300 · Antigo, WIthe failure of the pilot in command to maintain proper altitude.NTSB ATL94FA028Accident · 1 fatalField investigationFinal reportBellanca 17-30A · Lagrange, GAWas the pilot's failure to correct a known low battery condition before departing, which resulted in a loss of electrical power during an instrument approach. Factors were the dark night and the low scattered cloud layer.NTSB ANC94LA025Accident · Serious injuriesLimited investigationFinal reportAeronca BL-7AC · Circle City, AKThe pilot in commands intentional flight into known adverse weather conditions which lead to an inadvertent aerodynamic stall of the aircraft. Factors contributing to the accident were the ice fog and the icing conditions.NTSB FTW94IA046Incident · No injuriesIncident investigationFinal reportBoeing 737-33A · Dfw Airport, TXA failure by the pilot-in-command to attain a stabilzed approach. Factors were the fog and failure of the copilot to monitor the approach.NTSB NYC94LA036Accident · No injuriesLimited investigationFinal reportPiper PA-28R-180 · Lumberton, NJThe pilot's failure to maintain a proper glidepath due to improper compensation for the wind conditions. A factor was a crosswind.NTSB ANC94LA023Accident · Minor injuriesLimited investigationFinal reportCessna 177 · Northway, AKThe pilot-in-command did not maintain the proper glidepath.NTSB CHI94LA045Accident · Serious injuriesLimited investigationFinal reportCessna 210B · Dubuque, IAFlight by the pilot into known icing conditions, which resulted in airframe icing and an inability of the aircraft to maintain altitude on the ILS glidepath, once the landing gear was lowered. The weather conditions were related factors.NTSB NYC94FA033Accident · 4 fatalField investigationFinal reportPiper PA-28R-200 · New Haven, CTThe pilot's failure to maintain control of the airplane during a night approach in adverse weather conditions. Factors which contributed to the accident were the weather conditions and dark night. In addition, the radar controller's vectoring of the pilot to…NTSB NYC94LA030Accident · No injuriesLimited investigationFinal reportPiper PA-44-180 · Hopkinsville, KYthe pilot's improper IFR procedure by conducting flight below minimum descent altitude (MDA) without visual referece which resulted in an inflight collision with wires. A factor was the wire.NTSB FTW94LA043Accident · Minor injuriesLimited investigationFinal reportBell 412 · Cameron, LAThe copilot's continued flight into adverse weather conditions, and the captain's inadequate supervision. The haze and fog were factors.NTSB ANC94LA021Accident · No injuriesLimited investigationFinal reportPiper PA-32 · Napakiak, AKThe pilot-in-command's failure to maintain proper approach airspeed.NTSB MIA94LA033Accident · No injuriesLimited investigationFinal reportCessna 150M · Punta Gorda, FLThe pilot-in-command's improper use of carburetor heat during a VFR approach for landing. This resulted in a loss of engine power due to fuel system carburetor icing.NTSB DCA94MA022Accident · 18 fatalClass 1 · MajorFinal reportJetstream BA-3100 · Hibbing, MNThe captain's actions that led to a breakdown in crew coordination and the loss of altitude awareness by the flightcrew during an unstabilized approach in night instrument meteorological conditions. Contributing to the accident were: the failure of the…NTSB LAX94LA061Accident · Minor injuriesLimited investigationFinal reportCessna 172P · Panoche, CAthe pilot's improper approach speed and glide path, and his delayed initiation of a go-around. A factor in the accident was the wind shear condition created by the hills immediately off the departure end of the dirt airstrip.NTSB CHI94DEP01Accident · No injuriesFinal reportKrotje Kolb Mark III · Oshkosh, WIThe lack of carburetor heat for the engine. A factor related to the accident was: the weather condition, which was favorable for formation of carburetor ice.NTSB BFO94FA021Accident · 1 fatalField investigationFinal reportPiper PA32R-301 · Butler, PAThe pilot's inadvertent flight into IMC conditions and his failure to maintain proper altitude. The weather conditions were a factor.NTSB LAX94LA060Accident · Serious injuriesLimited investigationFinal reportAlbrecht Polywagon · Vacaville, CAthe pilot's failure to maintain control of the aircraft during a go-around. Factors in the accident were the wind shear conditions and the pilot's failure to adequately balance the fuel load during the flight.NTSB FTW94FA038Accident · 2 fatalField investigationFinal reportCessna T303 · Rogers, ARThe pilot's continued flight into known adverse weather conditions, and the ensuing inadvertent stall. Factors were the icing conditions, the fog, the drizzle, the dark night light conditions, and the pilot's disregard for the forecasted weather conditions.NTSB BFO94LA018Accident · Serious injuriesLimited investigationFinal reportBeech 58 · Stowe, VTThe pilot did not follow the emergency procedure after loss of power in the right engine, by failing to feather the right engine and failing to maintain minimum single-engine control speed. A factor related to the accident was: failure of the pilot to adhere…NTSB BFO94LA016Accident · No injuriesLimited investigationFinal reportTaylorcraft J-2 · Pittstown, NJThe pilot failed to maintain a proper glidepath. A factor in the accident was the presence of sunglare.NTSB LAX94LA055Accident · Minor injuriesLimited investigationFinal reportMooney M20B · Santa Paula, CAThe pilot's failure to follow proper procedures/directives prohibiting night operations at the airport and failure to maintain the proper glidepath. The pilot's diverted attention was a factor in this accident.NTSB ATL94LA022Accident · Minor injuriesLimited investigationFinal reportCessna 150L · Kinston, NCWas the student pilot's failure to maintain aircraft control during the go around. A factor was the wind gusts which occurred at the time of the accident.NTSB FTW94IA035Incident · No injuriesIncident investigationFinal reportGrumman G159 · Pineville, LAAn encounter with a wet microburst, on final approach at 200 feet AGL, which exceeded the performance capability of the aircraft.NTSB CHI94FA039Accident · No injuriesField investigationFinal reportBoeing 727-227 · Chicago, ILThe captain's failure to assure that the landing gear was extended for landing. Factors related to the accident were: traffic alert distractions, the flight crew's failure to use the checklist, and inadequate company systems training.NTSB ATL94LA017Accident · Minor injuriesLimited investigationFinal reportMaule M-7-235 · Lake City, SCThe pilot's failure to maintain a proper glidepath which resulted in collision with trees near the approach end of the runway.NTSB BFO94LA006Accident · Minor injuriesLimited investigationFinal reportCessna 150M · West Milford, NJThe loss of engine power due to an undetermined reason. A factor in this accident was the lack of suitable terrain to complete a forced landing.NTSB SEA94GA024Accident · Minor injuriesFinal reportCessna 182R · Salt Lake City, UTThe pilot in command's maintaining inadequate altitude while crossing over the ground track of the landing Boeing 757. A factor contributing to the accident was wake turbulence.NTSB ATL94LA013Accident · Serious injuriesLimited investigationFinal reportBowermaster B-8M · Cowpens, SCFuel starvation which resulted from unported fuel in the fuel tank due to inadequate design of the tanks.NTSB LAX94LA040Accident · No injuriesLimited investigationFinal reportBeech D95A · Hollister, CAThe improper position of the fuel selector switch by the dual student during the before landing checklist and inadequate supervision by the CFI. Fuel starvation to both engines was a factor in this accident.NTSB BFO94LA004Accident · No injuriesLimited investigationFinal reportPiper PA-28-161 · Manassas, VAThe loss of total engine power for undetermined reasons. A factor in the accident was the lack of suitable terrain to enable the completion of a power-off forced landing.NTSB FTW94LA027Accident · No injuriesLimited investigationFinal reportCessna 150G · Salem, ARPartial loss of engine power for undetermined reasons. A factor was unsuitable terrain for the forced landing.NTSB MIA94FA015Accident · 1 fatalField investigationFinal reportCessna 182Q · Crestview, FLWas incapacitation of the pilot due to cardiovascular disease during an instrument approach resulting in the aircraft descending uncontrolled until tree and ground impact. Contributing to the accident was the pilot's decision to fly with known cardiovascular…NTSB CHI94MA032Accident · 5 fatalMajor investigationFinal reportCessna 421B · Greensburg, INan inadvertent stall by the pilot in command. Factors associated with the accident are the icing conditions and low ceilings.NTSB SEA94LA023Accident · Minor injuriesLimited investigationFinal reportCessna 172H · Mckenzie Bridge, ORA partial loss of engine power for undetermined reasons.NTSB NYC94FA025Accident · 1 fatalField investigationFinal reportMooney M20K · Blue Ash, OHThe pilot's inadequate inflight decision to conduct flight into known icing conditions and his failure to maintain adequate airspeed which resulted in an inadvertent stall. Factors were icing conditions and the pilot's failure to follow the preflight briefing…NTSB SEA94LA022Accident · No injuriesLimited investigationFinal reportBeech A-35 · Billings, MTThe pilot's failure to maintain directional control during the go-around. Factors include proper airspeed not being maintained, and gusty crosswinds.NTSB LAX94LA032Accident · No injuriesLimited investigationFinal reportCessna 172N · Joshua Tree, CAthe pilot's failure to maintain a proper descent rate on final approach. A factor in the accident was the student's limited total experience.NTSB SEA94LA021Accident · Serious injuriesLimited investigationFinal reportHannah Avid Amphibian · Scappoose, ORThe pilot's poor inflight decision, and failure to maintain sufficient airspeed. Factors include contaminated fuel.NTSB SEA94LA020Accident · Serious injuriesLimited investigationFinal reportAero Commander AC-100-180 · Oregon City, ORThe pilot's failure to maintain clearance from transmission wires. Factors include light conditions at dusk, and transmission wires near the approach end of the runway.NTSB LAX94LA025Accident · 2 fatalLimited investigationFinal reportWittman Tailwind W8L · San Jose, CAThe loss of engine power for an undetermined reason(s). A factor in the accident was the unsuitable nature of the terrain encountered during the forced landing.