NTSB investigations, 1993
307 cases where the phase of flight was Initial climb.
Cases per year
| 1962 | 3 |
|---|---|
| 1963 | 4 |
| 1964 | 505 |
| 1965 | 555 |
| 1966 | 582 |
| 1967 | 587 |
| 1968 | 577 |
| 1969 | 582 |
| 1970 | 552 |
| 1971 | 541 |
| 1972 | 507 |
| 1973 | 482 |
| 1974 | 556 |
| 1975 | 543 |
| 1976 | 521 |
| 1977 | 556 |
| 1978 | 566 |
| 1979 | 502 |
| 1980 | 505 |
| 1981 | 499 |
| 1982 | 490 |
| 1983 | 507 |
| 1984 | 466 |
| 1985 | 418 |
| 1986 | 394 |
| 1987 | 380 |
| 1988 | 368 |
| 1989 | 348 |
| 1990 | 351 |
| 1991 | 324 |
| 1992 | 306 |
| 1993 | 307 |
| 1994 | 292 |
| 1995 | 289 |
| 1996 | 244 |
| 1997 | 272 |
| 1998 | 266 |
| 1999 | 239 |
| 2000 | 221 |
| 2001 | 219 |
| 2002 | 200 |
| 2003 | 227 |
| 2004 | 210 |
| 2005 | 204 |
| 2006 | 180 |
| 2007 | 202 |
| 2008 | 212 |
| 2009 | 173 |
| 2010 | 162 |
| 2011 | 177 |
| 2012 | 193 |
| 2013 | 122 |
| 2014 | 130 |
| 2015 | 165 |
| 2016 | 141 |
| 2017 | 149 |
| 2018 | 155 |
| 2019 | 146 |
| 2020 | 112 |
| 2021 | 166 |
| 2022 | 161 |
| 2023 | 163 |
| 2024 | 143 |
| 2025 | 134 |
| 2026 | 106 |
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 = 350)
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 = 350)
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 LAX94FA089Accident · 1 fatalField investigationFinal reportGrumman AA-1C · Santa Paula, CAA failure of the pilot to maintain adequate airspeed, and subsequent inadvertent stall during an undetermined loss of engine power following takeoff.NTSB CHI94LA060Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-160 · Little Falls, MNan improper preflight by the pilot-in-command and the pilot's failure to maintain airspeed during a turn. A factor associated with the accident was contaminated fuel.NTSB LAX94LA082Accident · 2 fatalLimited investigationFinal reportCessna 175 · Peoria, AZthe pilot's failure to attain sufficient altitude following takeoff. A factor in the accident was the pilot's failure to use all available runway for takeoff.NTSB LAX94FA081Accident · 1 fatalField investigationFinal reportGolightly RV-4 · La Verne, CAa loss of engine power due to the improper maintenance and installation of the fuel system lines and fittings, and the pilot's failure to ensure the engine fuel primer was locked prior to takeoff. An additional cause was the pilot's failure to maintain…NTSB FTW94LA056Accident · No injuriesLimited investigationFinal reportBeech 35 · Crystal Beach, TXWas a total loss of engine power for undetermined reasons. Factors were a passenger door inadvertently opening in flight due to inadequate preflight by the pilot, unsuitable terrain for the forced landing, and carburetor icing conditions.NTSB FTW94FA050Accident · 1 fatalField investigationFinal reportCessna 172M · Lancaster, TXwas THE FAILURE OF THE PILOT TO MAINTAIN AIRCRAFT CONTROL DUE TO PHYSICAL IMPAIRMENT (ALCOHOL).NTSB FTW94LA047Accident · No injuriesLimited investigationFinal reportPiper PA-28-180 · Fort Worth, TXThe loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.NTSB LAX94LA069Accident · Minor injuriesLimited investigationFinal reportRotorway EXEC-90 · Chandler, AZThe flight instructor's failure to properly follow the aircraft ballasting procedures that resulted in a loss of control when the helicopter's center of gravity limits were exceeded. Inadequate supervision of the training flight was a factor in the accident.NTSB MIA94LA037Accident · Minor injuriesLimited investigationFinal reportPiper PA-46-301P · Fort Myers, FLThe failure of the pilot-in-command to abort the takeoff. A contributing factor was the soft condition of the runway surface.NTSB CHI94LA044Accident · Serious injuriesLimited investigationFinal reportBeech 23 · Denison, IAThe pilot-in-command's inadequate remedial action. A factor associated with the accident is the student pilot's inadequate aircraft handling.NTSB LAX94LA064Accident · No injuriesLimited investigationFinal reportBraegger GL Nieuport 17 · Chandler, AZwas the pilot's improper handling of the airplane, and his failure to maintain control during his first attempted takeoff. Contributing factors were the pilot's inadvertent porpoising on the runway, and his lack of familiarity with the airplane's flight…NTSB CHI94LA046Accident · No injuriesLimited investigationFinal reportCessna 550 · West Chicago, ILthe collision with birds/geese shortly after takeoff. Reduced visibility in fog was a factor.NTSB NYC94FA029Accident · 2 fatalField investigationFinal reportAerospatiale TB-21 · Lebanon, NHThe pilot's failure to maintain adequate terrain clearance which resulted in an inflight collision with the terrain. A factor was a dark night condition.NTSB FTW94LA042Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Parkin, ARThe total loss of engine power for undetermined reasons. A factor was the lack of suitable terrain available to the pilot for the forced landing.NTSB FTW94FA041Accident · 1 fatalField investigationFinal reportQuicksilver MX II · Newark, TXPoor judment of the pilot after use of drugs, his improper planning/decision, and his failure to remain clear of an obstruction during takeoff. Factors related to the accident were: the pilot's overconfidence with the aircraft's ability, a tailwind condition,…NTSB LAX94LA059Accident · No injuriesLimited investigationFinal reportCessna 150H · Dardanelle, CAThe pilot misjudged the local weather. The wind conditions and the pilot's inability to compensate for the strong downdraft wind conditions were factors.NTSB CHI94LA040Accident · Minor injuriesLimited investigationFinal reportSteven Ulrich Challenger II · Escanaba, MIInadequate directional stability of the aircraft (due to installation of lexan cockpit enclosure doors), which precipitated a loss of directional control.NTSB SEA94LA037Accident · No injuriesLimited investigationFinal reportHiller UH-12D · Sublimity, ORThe pilot's failure to maintain clearance from unmarked transmission wires. Factors include the pilot's inadequate visual lookout, and unmarked wires in the area of operation.NTSB BFO94FA017Accident · 1 fatalField investigationFinal reportPiper PA-28RT-201 · Ravenna, OHThe pilot attempted to fly the airplane with known deficiencies in the attitude indicator and became spatially disoriented during the takeoff climb. Factors in the accident were the low ceiling, night conditions, and an inaccurate attitude indicator.NTSB ANC94LA019Accident · No injuriesLimited investigationFinal reportCessna 206 · Anchorage, AKThe frozen throttle cable due to moisture.NTSB FTW94FA034Accident · Serious injuriesField investigationFinal reportCessna 172N · Fort Collins, COPower loss due to throttle linkage disconnect. Factors were missing cotter key, improper maintenance, and the lack of suitable terrain for the forced landing.NTSB MIA94LA021Accident · Serious injuriesLimited investigationFinal reportVacey MK-1 · Altoona, FLThe pilot-in-command's failure to maintain airspeed (VS) on initial takeoff climb while maneuvering to avoid power lines, resulting in an in-flight loss of control (stall) and subsequent in-flight collision with terrain.NTSB LAX94LA042Accident · No injuriesLimited investigationFinal reportCooprider WOODY'S Pusher 1972 · San Diego, CAa delay in the application of carburetor heat by the pilot-in- command. Carburetor icing conditions were a factor in this accident.NTSB BFO94LA023Accident · 1 fatalLimited investigationFinal reportQuicksilver MX · Montville, CTThe pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall/spin.NTSB MIA94FA020Accident · 1 fatalField investigationFinal reportPiper PA-31-350 · Orlando, FLWas in flight loss of control for failure of the pilot-in-command to maintain VMC shortly after takeoff. Contributing to the accident was partial loss of engine power from the left engine due to partial blockage of several of the fuel injector nozzles. Also…NTSB ATL94LA015Accident · Serious injuriesLimited investigationFinal reportLuscombe 8F · Griffin, GAThe pilot's failure to maintain airspeed while maneuvering following a loss of engine power for unknown reasons.NTSB ATL94LA014Accident · No injuriesLimited investigationFinal reportBell 47G-3B-1 Soloy · Atmore, ALThe pilot's inadequate pre-flight inspection. Factors were the lack of a filter on the refueling pump which would preclude water passage, and the high trees.NTSB FTW94LA030Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · Fredericksburg, TXThe pilot's utilization of unsuitable terrain for takeoff.NTSB SEA94LA026Accident · 1 fatalLimited investigationFinal reportBird RAF-2000 · Redmond, UTThe pilot in command's exceeding the proper climb rate. A factor contibuting to the accident was the pilot's lack of experience in make/model.NTSB CHI94LA031Accident · No injuriesLimited investigationFinal reportBeech B36TC · Rockford, ILA loose fuel line fitting, due to improper maintenance, which resulted in an interuption of fuel to the engine.NTSB FTW94LA022Accident · No injuriesLimited investigationFinal reportBell 206L-3 · Gulf Of MexicoThe pilot in command's inadequate preflight inspection in that he failed to remove a tie down rope. A factor was the pilot's self-induced pressure.NTSB LAX94LA030Accident · No injuriesLimited investigationFinal reportBeech 200 · Reno, NVThe improper overhaul of the right main landing gear actuator by maintenance personnel, and the operator's failure to assure that the airplane manufacturer's mandatory service bulletin requiring modification of the gear motor circuit protection was…NTSB FTW94LA019Accident · Minor injuriesLimited investigationFinal reportBell 206B · High Island 467Were the pilot's inadequate preflight inspection and his failure to remove all of the aircraft tie-downs.NTSB NYC94LA020Accident · Serious injuriesLimited investigationFinal reportCessna 182H · Griswold, CTThe pilot's inadequate compensation for wind conditions during takeoff, and the subsequent loss of control and collision with trees. A factor related to the accident were the adverse winds.NTSB LAX94LA015Accident · 1 fatalLimited investigationFinal reportTaylorcraft BC12-D · Yuma, AZa failure of the pilot-in-command to maintain adequate airspeed and subsequent inadvertent stall while maneuvering the airplane. Contamination of the fuel in the carburetor that produced a partial power loss was a factor in the accident.NTSB CHI94FA018Accident · 5 fatalField investigationFinal reportPiper PA-32R-300 · Atkinson, NEthe instrument rated commercial pilot's failure to maintain adequate clearance from terrain/obstructions during the initial climb after takeoff. Related factors are the weather conditions (fog) and the pilot's failure to maintain the proper rate of climb.NTSB FTW94LA010Accident · Serious injuriesLimited investigationFinal reportEmmert Tierra II · Yukon, OKWas an inadvertent stall. A factor was the gusty tailwind.NTSB NYC94LA006Accident · No injuriesLimited investigationFinal reportCessna T210F · Frederick, MDThe mechanic's inadequate inspection and the pilot's inadequate preflight inspection which failed to detect water-contaminated fuel, resulting in a loss of engine power and a forced landing.NTSB FTW94LA005Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-180C · Albuquerque, NMThe pilot's failure to maintain adequate airspeed. The high density altitude was a factor.NTSB ATL94LA003Accident · No injuriesLimited investigationFinal reportCessna T188C · Rogersville, ALWas the pilot's inadequate pre-flight preparation which resulted in fuel exhaustion during take off.NTSB ANC94LA003Accident · 1 fatalLimited investigationFinal reportAeronca 11AC · Kenney Lake, AKThe pilot's intentional VFR takeoff into instrument meteorological conditions which resulted in spatial disorientation and a loss of control. Factors in the accident were the weather and low light conditions.NTSB ANC94LA008Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Port Heiden, AKThe pilot-in-command's improper preflight planning/preparation. A factor was rising terrain.NTSB ANC94LA002Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Pilot Point, AKThe Pilot's improper preflight procedures in that the frost removal was not adequately performed resulting in aerodynamic stall of flight surfaces on takeoff.NTSB SEA94LA003Accident · Serious injuriesLimited investigationFinal reportCessna 180H · Denton, MTThe pilot in command's failure to maintain adequate clearance with terrain. Factors contributing to the accident were unfavorable winds and the pilot in command's inadquate compensation (premature crosswind turn) for the wind conditions.NTSB LAX94LA001Accident · No injuriesLimited investigationFinal reportCessna O-2A · Tucson, AZwas the partial loss of engine power during initial climb due to partial clogging of the engine's fuel injectors. Blockage of the fuel injectors was due to inadequate maintenance of the fuel system by contract maintenance personnel.NTSB LAX93LA373Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-140 · Lompoc, CAwas fuel starvation. A factor in the accident was the mechanic's inadequate inspection of the airplane.NTSB FTW93FA274Accident · Serious injuriesField investigationFinal reportRobinson R22 Beta · Deming, NMThe pilot's inadequate preflight planning and preparation. Factors were high density altitude and the over gross weight condition of the aircraft.NTSB FTW93LA275Accident · No injuriesLimited investigationFinal reportKelm Zenair CH-701 · South Bend, ARThe engine power loss for undetermined reasons. A factor was the lack of available runway onto which the forced landing could be executed.NTSB SEA93LA208Accident · Minor injuriesLimited investigationFinal reportPiper PA-23-150 · Salt Lake City, UTA power loss for undetermined reasons. Factors include a fence, an animal, and a ditch in the landing roll path.NTSB ATL93FA162Accident · 4 fatalField investigationFinal reportPiper PA-24-250 · Boone, NCThe pilot's improper preflight planning, his failure to retract the landing gear after departure, and his failure to maintain control of the aircraft. Factors in the accident were the high density altitude, and the mountainous terrain.