NTSB investigations, 2008
170 cases where the phase of flight was Takeoff.
Cases per year
| 1962 | 4 |
|---|---|
| 1963 | 5 |
| 1964 | 352 |
| 1965 | 314 |
| 1966 | 410 |
| 1967 | 449 |
| 1968 | 327 |
| 1969 | 364 |
| 1970 | 345 |
| 1971 | 383 |
| 1972 | 265 |
| 1973 | 299 |
| 1974 | 343 |
| 1975 | 315 |
| 1976 | 281 |
| 1977 | 333 |
| 1978 | 344 |
| 1979 | 321 |
| 1980 | 251 |
| 1981 | 289 |
| 1982 | 254 |
| 1983 | 247 |
| 1984 | 238 |
| 1985 | 192 |
| 1986 | 182 |
| 1987 | 187 |
| 1988 | 168 |
| 1989 | 162 |
| 1990 | 185 |
| 1991 | 191 |
| 1992 | 146 |
| 1993 | 140 |
| 1994 | 175 |
| 1995 | 197 |
| 1996 | 145 |
| 1997 | 154 |
| 1998 | 153 |
| 1999 | 175 |
| 2000 | 162 |
| 2001 | 148 |
| 2002 | 153 |
| 2003 | 162 |
| 2004 | 129 |
| 2005 | 143 |
| 2006 | 127 |
| 2007 | 150 |
| 2008 | 170 |
| 2009 | 205 |
| 2010 | 198 |
| 2011 | 188 |
| 2012 | 184 |
| 2013 | 153 |
| 2014 | 188 |
| 2015 | 184 |
| 2016 | 191 |
| 2017 | 195 |
| 2018 | 172 |
| 2019 | 197 |
| 2020 | 193 |
| 2021 | 179 |
| 2022 | 176 |
| 2023 | 204 |
| 2024 | 216 |
| 2025 | 203 |
| 2026 | 179 |
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\") = 2008
AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 300)
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") = 2008
AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 300)
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 WPR09LA069Accident · 1 fatalLimited investigationFinal reportHughes 369 · Honiara, Solomon IslandsThe pilot's failure to remove the tail rotor pedal lock before attempting flight, resulting in a loss of control.NTSB DCA09MA021Accident · Serious injuriesClass 1 · MajorFinal reportBoeing 737-524 · Denver, COThe captain’s cessation of right rudder input, which was needed to maintain directional control of the airplane, about 4 seconds before the excursion, when the airplane encountered a strong and gusty crosswind that exceeded the captain’s training and…NTSB ANC09CA014Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Willow, AKA partial loss of engine power during takeoff, which prevented the airplane from reaching takeoff airspeed, resulting in an aborted takeoff, and an on-ground collision with a tree.NTSB WPR09CA059Accident · No injuriesData collectionFinal reportCessna 210 · Sheridan, WYMaintenance personnel's failure to reinstall the left front pilot's seat correctly, which resulted in the pilot's loss of control and subsequent impact with a taxiway sign.NTSB WPR09CA054Accident · No injuriesData collectionFinal reportPiper PA-28-161 · Goodyear, AZThe failure of the student pilot to maintain directional control during takeoff.NTSB ERA09LA079Accident · No injuriesLimited investigationFinal reportFlight Design Ctsw · Punta Gorda, FLThe pilot's failure to maintain control of the airplane during a rejected takeoff. Contributing to the accident was a gust of wind.NTSB CEN09CA078Accident · No injuriesData collectionFinal reportCessna 172S · Waukesha, WIThe pilot's failure to maintain aircraft control during takeoff and his failure to ensure that the elevator trim was properly set before takeoff. Contributing to the accident was the pilot's lack of autopilot system knowledge.NTSB ERA09CA065Accident · No injuriesData collectionFinal reportPiper PA46 · Oak Island, NCThe pilot's failure to maintain directional control during takeoff. Contributing to the accident were gusting crosswinds.NTSB ANC09CA010Accident · No injuriesData collectionFinal reportCessna 172M · Girdwood, AKThe pilot's decision to attempt to take off on a snow-covered runway. Contributing to the accident was the snow-covered runway.NTSB CEN09CA049Accident · No injuriesData collectionFinal reportCirrus Design SR22 · Blaine, MNThe deer impacting the airplane during takeoff roll.NTSB ERA09CA040Accident · Minor injuriesData collectionFinal reportFox Jack G Mong Biwin · Thomasville, NCThe builder’s failure to set adequate propeller pitch during propeller installation.NTSB CEN09CA079Accident · No injuriesData collectionFinal reportPiper PA18-150 · Colorado Springs, COLoss of directional control due to an encounter with a weather phenomena at rotation.NTSB CEN09CA050Accident · No injuriesData collectionFinal reportAeronca 7CCM · Chadron, NEThe pilot's failure to maintain direction control of the airplane. Contributing to the accident was the pilot's lack of experience.NTSB ERA09LA026Accident · Serious injuriesLimited investigationFinal reportCessna 175A · Foley, ALThe pilot’s failure to maintain adequate airspeed during initial climb, resulting in a stall and collision with terrain. Contributing to the accident was the pilot’s lack of recent experience.NTSB CEN09RA030Accident · 5 fatalForeign investigationCessna 310 · Ciudad Victoria, MexicoOn October 21, 2008 at approximately 1710 central daylight time a Cessna 310, Mexican Registration XB-KPF experienced a loss of power on takeoff from Pedro J. Mendez Airport, Ciudad Victoria, Tamaulipas, Mexico. The pilot attempted to return to the airport…NTSB WPR09FA019Accident · 3 fatalField investigationFinal reportMooney M20J · Avalon, CAThe pilot's failure to maintain aircraft control during takeoff for undetermined reasons. Contributing to the accident was the pilot's failure to abort the takeoff while sufficient runway remained to stop.NTSB CEN09CA028Accident · No injuriesData collectionFinal reportHoward Super Sky Raider · Tuscola, ILThe pilot failed to maintain directional control during takeoff roll. A contributing factor was the cornfield and the pilot's lack of recent experience.NTSB ERA09CA024Accident · Minor injuriesData collectionFinal reportLange Flugzeugbau E1 Antares · Winter Haven, FLThe failure of the pilot of the other airplane to announce his intentions prior to takeoff, resulting in a runway incursion. Contributing to the accident was the limited forward visibility due to the runway slope.NTSB CEN09CA007Accident · No injuriesData collectionFinal reportLet Blanik · Gardner, KSThe pilot's decision to attempt a takeoff when the climb performance of the tow plane and the glider were inadequate. Contributing to the accident were the high density altitude and the terrain-induced turbulence.NTSB ERA09CA010Accident · No injuriesData collectionFinal reportCessna 172 · Naples, METhe pilot's failure to maintain directional control of the airplane during takeoff. Contributing to the accident was the wet condition of the grass runway.NTSB CHI08CA296Accident · No injuriesData collectionFinal reportPiper PA28 · Gann Valley, SDThe pilot's inability to gain sufficient altitude during takeoff as a result of inadequate preflight planning.NTSB MIA08WA200Accident · Serious injuriesClass 5 · ForeignFokker F28-4000 · Quito, EcuadorOn September 22, 2008, about 1600 universal time, a Fokker F28-4000, HC-CDT, flight ICD-504, registered to and operated by Icaro Air, as a scheduled domestic passenger flight, aborted take off on runway 35 at Mariscal Surce Airport (SEQU), Quito, Ecuador. The…NTSB LAX08LA299Accident · Serious injuriesLimited investigationFinal reportCessna 152 · Carlsbad, CAThe loss of engine power during takeoff for undetermined reasons.NTSB MIA08CA198Accident · No injuriesData collectionFinal reportMooney M20S · New Castle, PAThe on-ground collision with a deer during the takeoff roll. A contributing factor in the accident was the failure to completely secure the airport perimeter.NTSB DCA08MA098Accident · 4 fatalClass 1 · MajorFinal reportLearjet LR60 · Columbia, SCThe operator’s inadequate maintenance of the airplane’s tires, which resulted in multiple tire failures during takeoff roll due to severe underinflation, and the captain’s execution of a rejected takeoff (RTO) after V1, which was inconsistent with her…NTSB OPS08IA015Incident · No injuriesIncident investigationFinal reportBombardier CL-600-2C1 · Allentown, PAThe failure of both tower controllers to maintain awareness of the position of N736GV and ensure that the aircraft was clear of the runway before issuing a takeoff clearance to ASH7138.NTSB ANC08CA128Accident · No injuriesData collectionFinal reportPiper PA-18 · Fairbanks, AKThe pilot's selection of an unsuitable takeoff area. A Factor contributing to the accident was a short, rough and uneven takeoff site.NTSB CHI08CA283Accident · Minor injuriesData collectionFinal reportMooney M20C · Bolingbrook, ILThe non-mechanical loss of engine power due to the pilot's incorrect positioning of the fuel tank selector prior to takeoff and the subsequent fuel starvation during takeoff.NTSB DFW08LA231Accident · No injuriesLimited investigationFinal reportEvektor-Aerotechnik Sportstar · Roanoke, TXThe pilot's failure to maintain directional control of the airplane during the landing roll. Contributing to the accident was the pilot's lack of flight experience in the make and model of airplane.NTSB ANC08CA123Accident · No injuriesData collectionFinal reportCessna 207 · Dillingham, AKThe pilot's inadequate evaluation of weather and runway conditions, and his improper decision to depart downwind, on a wet gravel runway, resulting in an in-flight collision with terrain after takeoff. Factors contributing to the accident were a tailwind, and…NTSB NYC08CA313Accident · No injuriesData collectionFinal reportDiamond Aircraft Industry DA 20-C1 · Stevensville, MDThe student pilot's failure to maintain directional control during takeoff.NTSB MIA08LA188Accident · Minor injuriesLimited investigationFinal reportMooney M20C · Wallace, NCThe pilot's failure to abort the takeoff when the engine failed to develop full power. Contributing to the accident was the pilot's failure to remove the intake plugs prior to takeoff.NTSB DEN08CA154Accident · No injuriesData collectionFinal reportNorth American SNJ-5 · Leadville, COThe pilot's failure to maintain aircraft control during takeoff.NTSB ANC08CA118Accident · No injuriesData collectionFinal reportDiehl William A S-4 · Galena, AKThe pilot's failure to maintain pitch control of the airplane during takeoff, and the pilot's inadequate preflight inspection of the airplane.NTSB SEA08CA197Accident · No injuriesData collectionFinal reportCessna A185F · Lakeview, ORThe pilot's failure to maintain directional control. A contributing factor was the rough terrain.NTSB LAX08LA288Accident · No injuriesLimited investigationFinal reportCirrus Design SR-22 · Gerlach, NVThe pilot's failure to maintain aircraft control during an uncommanded pitch-up during the takeoff.NTSB ANC08CA116Accident · No injuriesData collectionFinal reportde Havilland DHC-2 · Talkeetna, AKThe pilot's selection of an unsuitable takeoff site, resulting in an on ground collision with tall brush.NTSB NYC08LA293Accident · Serious injuriesLimited investigationFinal reportCessna 177RG · Bristol, NHThe pilot's failure to clear the trees during takeoff due to a partial loss of engine power for undetermined reasons.NTSB NYC08IA290Incident · No injuriesIncident investigationFinal reportBoeing 747-209B · Bogota, ColombiaThe combination of fan blade edge contour, variable blade trim, and the high altitude, which resulted in an engine surge.NTSB CHI08CA263Accident · No injuriesData collectionFinal reportCirrus Design SR20 · Greenville, MIThe deer that ran onto the runway contacting the airplane. A factor associated with the accident was the dark night conditions.NTSB NYC08LA289Accident · Minor injuriesLimited investigationFinal reportEuropro CZ Eurofox · Millbrook, NYThe pilot's failure to maintain directional control during takeoff.NTSB DFW08CA214Accident · No injuriesData collectionFinal reportBellanca 14-19-2 · Keller, TXThe pilot's inadequate preflight inspection of the airplane which resulted in an attempted takeoff without fuel present in the selected fuel tank.NTSB ANC08LA111Accident · Minor injuriesLimited investigationFinal reportCessna 207A · Kongiganak, AKThe pilot's decision to attempt to takeoff on a short, wet runway with a heavily loaded airplane, and his failure to abort the takeoff before it became impracticable.NTSB NYC08LA291Accident · No injuriesLimited investigationFinal reportCessna 441 · Baltimore, MDThe pilot's delayed decision to abort the takeoff. Contributing to the accident was the pilot's attempted takeoff with a propeller start lock inadvertently engaged.NTSB LAX08CA270Accident · No injuriesData collectionFinal reportCessna 182Q · Mesa, AZThe pilot's failure to maintain directional control during landing.NTSB CHI08CA260Accident · No injuriesData collectionFinal reportCessna A188B · Camanche, IAThe pilot took off on an unsuitable airstrip which resulted in the airplane becoming prematurely airborne with inadequate airspeed after it contacted a rise in the terrain.NTSB ANC08CA110Accident · No injuriesData collectionFinal reportCessna U206G · Igiugig, AKThe pilot's misjudged speed and distance during takeoff, which resulted in the float-equipped airplane colliding with a bank.NTSB ANC08TA107Accident · No injuriesFinal reportPiper PA-18-150 · Slana, AKThe pilot's failure to maintain directional control during an aborted takeoff.NTSB SEA08TA188Accident · No injuriesFinal reportHughes 369D · Bonners Ferry, IDThe pilot's inadequate preflight planning for the takeoff and the helicopter loading that exceeded the lift performance capability of the helicopter.NTSB SEA08CA183Accident · Minor injuriesData collectionFinal reportGrumman Acft Eng G-164A · Hazelton, IDThe pilot's inadequate compensation for the tailwind and failure to attain and maintain airspeed, which resulted in an inadvertent stall. The tailwind was a contributing factor.