NTSB investigations, 1992
306 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\") = 1992
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") = 1992
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 LAX93LA083Accident · No injuriesLimited investigationFinal reportRotorway Executive · Chandler, AZAn engine compartment fire for undetermined reasons.NTSB SEA93LA047Accident · No injuriesLimited investigationFinal reportAero Commander AC-500B · Billings, MTLoss of engine power on both engines for undetermined reasons and left main landing gear not down and locked on touchdown.NTSB LAX93LA076Accident · Minor injuriesLimited investigationFinal reportCurtiss JN-4D · Livermore, CAThe shearing of the number 8 cylinder rocker arm support pedestal/coolant housing retaining bolts. Contributing to the accident was a loss of engine coolant.NTSB FTW93LA056Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-140 · Slaton, TXThe total loss of engine power due to fuel starvation as a result of improper fuel tank selection. A factor the unsuitable terrain.NTSB MIA93LA033Accident · Minor injuriesLimited investigationFinal reportMaule M-5-180C · Moultrie, GAThe pilot-in-command's failure to maintain airspeed on initial takeoff climb resulting in an in flight loss of control (stall) and subsequent in flight collision with terrain.NTSB LAX93LA072Accident · No injuriesLimited investigationFinal reportCessna 180K · Fullerton, CAThe airplane's owners (including the pilot) poor maintenance and the pilot's inadequate preflight inspection. Contributing to this accident was the deteriorated overwing fuel caps seals and the tailwind.NTSB CHI93LA055Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-180 · West Bend, WITotal loss of engine power due to the failure of the pilot to select the fuel tank with the most fuel.NTSB MIA93LA029Accident · Minor injuriesLimited investigationFinal reportHighcraft Buccaneer II · Rockledge, FLThe total failure of the engine-driven fuel pump on takeoff initial climb. A factor was unsuitable terrain.NTSB NYC93FA044Accident · 1 fatalField investigationFinal reportBeech 18T · Cleveland, OHThe improper installation of the elevator by company maintenance personnel and the lack of proper inspections by a company certified mechanic/inspector and the FAA certified mechanic with inspector authorization. A factor in this accident was an…NTSB LAX93LA065Accident · No injuriesLimited investigationFinal reportCessna 185F · Lanai, HIThe failure of the engine for undetermined reasons. A factor in the accident was that obstructions were hidden in the grass of the landing area chosen by the pilot for the forced landing.NTSB ANC93LA021Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Anchorage, AKThe total loss of engine power due to a short in the voltage regulator, and the lack of suitable terrain for the pilot to make the forced landing on.NTSB FTW93IA048Incident · No injuriesIncident investigationFinal reportEmbraer EMB-120RT · Houston, TXThe assigned mechanic's failure to reinstall the attachment screws and the quality inspector's inadequate inspection of the completed work. A factor was the complacency of the maintenance personnel.NTSB MIA93LA026Accident · No injuriesLimited investigationFinal reportGrumman AA-1 · Groveland, FLThe pilot's encounter with shifting winds on the takeoff roll, that caused the airplane to overrun the runway. Contributing to the accident was the failure of the pilot in command to perform an aborted takeoff.NTSB CHI93LA045Accident · Minor injuriesLimited investigationFinal reportBeech 77 · Milwaukee, WIThe pilot's failure to maintain a proper altitude.NTSB SEA93FA031Accident · 1 fatalField investigationFinal reportBeech S35 · Rexburg, IDThe pilot in command's failure to maintain clearance with objects/terrain. Factors contributing to the accident were low ceilings, snow, dark night conditions, trees, improper preflight planning and self induced pressure.NTSB ATL93FA030Accident · 2 fatalField investigationFinal reportBellanca 7ECA · Pike Road, ALThe failure of the pilot in command to maintain airspeed during the initial climb, which resulted in an inadvertent stall and collision with the ground. Factors were the inadequate preflight planning and preparation of the pilot in command in that he operated…NTSB LAX93LA054Accident · No injuriesLimited investigationFinal reportPiper PA-24 · Rialto, CAThe pilot's poor preflight inspection and his failure to maintain flying speed during the forced landing. Conributing to this accident was the inadvertent stall, the preceding sand/dust storm, the engine assembly low compression due to sand in the intake and…NTSB ATL93LA029Accident · Minor injuriesLimited investigationFinal reportChampion 7AC · Troy, TNThe pilot's inadequate preflight planning, his failure to attain a proper climb rate, and the inadvertent stalling of the aircraft while attempting to avoid high obstructions (trees). Factors were the rough, uneven runway conditions, the high obstructions,…NTSB LAX93LA048Accident · 1 fatalLimited investigationFinal reportRans S-10 Sakota · San Jose, CA1) The loss of engine power due to undetermined reason(s), and, 2) the pilot not maintaining airspeed above the power off stall speed while maneuvering to the runway resulting in an inadvertent stall/spin. A factor in this accident was the pilot not having…NTSB ATL93FA025Accident · 3 fatalField investigationFinal reportCessna 172 · Brownsboro, ALThe pilot failed to evaluate the wind conditions and took off with a tailwind which resulted in the collision with a tree on the departure end of the runway. Factors were dark night and tailwind.NTSB BFO93LA010Accident · No injuriesLimited investigationFinal reportPiper PA-28-151 · Willimantic, CTA cracked no. 2 engine cylinder, and the pilot's failure to attain the proper touchdown point during the forced landing, due to excessive airspeed, which resulted in an overrun of the runway. A factor related to the accident was an improper weld repair on the…NTSB MIA93LA039Accident · No injuriesLimited investigationFinal reportPiper PA-32-301 · Dorado, PRPoor in flight planning decision by the pilot in command. Contributing to the accident was the partial blockage of the pitot static system and incorrect airspeed indicator.NTSB LAX93LA041Accident · 1 fatalLimited investigationFinal reportLitchford Falcon XP · Palm Springs, CAThe pilot's inflight loss of control for reasons related to the improper installation and functioning of the rudder control system, and, the pilot's inadvertent entry into a stall spin.NTSB LAX93LA040Accident · Serious injuriesLimited investigationFinal reportCessna 172G · Williams, AZThe partial loss of engine power due to a stuck exhaust valve on the number two cylinder and the pilot's inability to climb the aircraft above the trees surrounding the airport. A factor in the accident was the effects of the high density altitude on the…NTSB FTW93LA037Accident · Serious injuriesLimited investigationFinal reportColgate, Henry A. FS21000 · Albuquerque, NMThe loss of engine power for undetermined reasons. Factors were the low altitude and unsuitable terrain.NTSB CHI93LA031Accident · Serious injuriesLimited investigationFinal reportCessna 172D · Marshall, ILAn inadequate preflight inspection of the airplane by the pilot.NTSB BFO93LA008Accident · No injuriesLimited investigationFinal reportPiper PA-28-161 · Red Hook, NYThe pilot's inadvertent deactivation of the electric fuel boost pump. A factor related to the accident was the failure of the engine driven fuel pump during takeoff.NTSB CHI93LA027Accident · Minor injuriesLimited investigationFinal reportCessna 172 · Aurora, MOThe pilot's lack of familiarity with the airplane, a switched off fuel selector and fuel starvation.NTSB LAX93LA032Accident · 1 fatalLimited investigationFinal reportR.W. Sherman Turbulent · Adelanto, CAThe pilot's improper emergency decision to attempt to return to the departure area. Contributing to this accident was the undetermined loss of power, inadequate altitude, and failure to maintain the airspeed.NTSB MIA93FA015Accident · No injuriesField investigationFinal reportDouglas DC-7CF · Fort Lauderdale, FLFailure of the #4 engine for an undetermined reasons(s), and the inability of the airplane to remain airborne due to the overgross weight takeoff performed by the pilot. Factors which contributed to the accident were: the questionable airworthiness of the…NTSB CHI93FA028Accident · Minor injuriesField investigationFinal reportSmith, Ted Aerostar Aerostar 601 · Wahpeton, NDOther maintenance personnel's improper maintenance (installation).NTSB CHI93LA025Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-140 · Ames, IAThe pilot exceeded the aircraft's maximum gross weight limitation which resulted in the failure to obtain a proper climb rate after takeoff.NTSB LAX93LA019Accident · 3 fatalLimited investigationFinal reportCessna 310R · Saipan, MauritiusThe pilot not following wake turbulence (votex) avoidance procedures, which are detailed in FAA publications, resulting in the airplane encountering wake turbulence. Factors in this accident were: 1) the pilot's inability to control the airplane after…NTSB CHI93LA016Accident · No injuriesLimited investigationFinal reportPiper PA-24-180 · Ludington, MIThe partial loss of engine power during the initial climb out on a night flight.NTSB CHI93LA015Accident · No injuriesLimited investigationFinal reportBeech K35 · Scott City, KSFailure of the alternator and the pilot's inadvertent descent.NTSB DEN93LA007Accident · 1 fatalLimited investigationFinal reportMarcy Kitfox IV · Longmont, COAn inadvertent stall. A factor was: the pilot's lack of familiarity with the airplane.NTSB SEA93LA009Accident · Minor injuriesLimited investigationFinal reportMorrisey Shinn 2150A · Dallas, ORFailure to maintain airspeed. Factors include an improper fuel selector setting, and fuel starvation.NTSB ATL93LA017Accident · No injuriesLimited investigationFinal reportCessna 150 · Powell, TNThe water in the aircraft fuel as a result of the improper preflight by the pilot.NTSB CHI93DTG01Accident · No injuriesFinal reportKing BOWERS-FLYBABY · Buffalo, NDPartial loss of engine power due to improper installation of the carburetor, by the pilot/owner.NTSB CHI93LA012Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-180 · Maryland Height, MOBlockage of the induction air system by a mouse nest.NTSB ATL93LA014Accident · Minor injuriesLimited investigationFinal reportBeech A23A · Cumming, GAThe pilot's failure to use the fuel boost pump when the engine malfunctioned during take off.NTSB CHI93LA011Accident · Serious injuriesLimited investigationFinal reportPiper PA-22-160 · Saline, MIThe pilot's failure to maintain aircraft control and airspeed.NTSB FTW93LA012Accident · Minor injuriesLimited investigationFinal reportMooney M20J · Mexia, TXThe pilot fueled the aircraft with jet fuel instead of avaition gasoline. Factors were the unsuitable terrain encountered during the forced landing and the dark night light conditions.NTSB NYC93LA019Accident · Minor injuriesLimited investigationFinal reportPiper PA-28 · Grove City, PAThe pilot raised the flaps prematurely, resulting in an inadvertent stall at to low an altitude to allow recovery.NTSB LAX93LA009Accident · No injuriesLimited investigationFinal reportCessna 210F · Buena Park, CAFailure of the pilot to adequately detect water contamination in the airplane's fuel system during preflight.NTSB NYC93LA010Accident · Serious injuriesLimited investigationFinal reportCessna 172F · Wash. Ct. House, OHAn inadvertent stall after the pilot failed to attain flying speed due to a premature liftoff.NTSB ATL93LA006Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Supply, NCThe pilot's inadequate preflight planning, which resulted in his inablilty to attain a proper climb rate during the takeoff. Factors were the runway conditions (soft, rough terrain, wet grass), the perimeter trees, and the tail wind conditions.NTSB FTW93LA009Accident · No injuriesLimited investigationFinal reportCessna 175 · Cleveland, TXThe loss of engine power for undetermined reasons. A factor was the unsuitable terrain.NTSB MIA93LA003Accident · 2 fatalLimited investigationFinal reportMcilraith Steen Skybolt · Hattiesburg, MSA loss of control for undetermined reasons.NTSB FTW93LA005Accident · No injuriesLimited investigationFinal reportBeech C24R · Fayetteville, ARThe pilot's delayed flare. A factor was the pilot's failure to properly secure the door prior to takeoff.