NTSB investigations, MA
268 cases where the phase of flight was Initial climb.
Cases per year
| 1963 | 1 |
|---|---|
| 1964 | 5 |
| 1965 | 5 |
| 1966 | 5 |
| 1967 | 7 |
| 1968 | 7 |
| 1969 | 6 |
| 1970 | 13 |
| 1971 | 4 |
| 1972 | 11 |
| 1973 | 7 |
| 1974 | 13 |
| 1975 | 9 |
| 1976 | 12 |
| 1977 | 5 |
| 1978 | 3 |
| 1979 | 4 |
| 1980 | 2 |
| 1981 | 8 |
| 1982 | 6 |
| 1983 | 9 |
| 1984 | 7 |
| 1985 | 4 |
| 1986 | 8 |
| 1987 | 7 |
| 1988 | 3 |
| 1989 | 3 |
| 1990 | 11 |
| 1991 | 4 |
| 1992 | 6 |
| 1993 | 3 |
| 1994 | 5 |
| 1995 | 3 |
| 1996 | 4 |
| 1997 | 6 |
| 1998 | 2 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 3 |
| 2002 | 3 |
| 2003 | 1 |
| 2004 | 5 |
| 2005 | 3 |
| 2006 | 3 |
| 2007 | 2 |
| 2008 | 2 |
| 2010 | 4 |
| 2011 | 3 |
| 2012 | 3 |
| 2013 | 4 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2022 | 1 |
| 2024 | 2 |
Where
Open the mapLatest 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 c.\"eventStateOrRegion\" = 'MA' AND c.\"eventCountry\" = 'USA'
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 c."eventStateOrRegion" = 'MA' AND c."eventCountry" = 'USA'
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 ERA24LA386Accident · No injuriesClass 3 · LimitedFinal reportCessna 402 · Boston, MAThe failure of a solid hydraulic fluid line, which resulted in a loss of hydraulic fluid that prevented the landing gear extension process from completing normally. Contributing to the outcome was the pilot’s failure to fully activate the emergency landing…NTSB ERA24FA265Accident · 1 fatalClass 3 · FieldFinal reportVans RV6 · Methuen, MAThe pilot’s failure to manage the available fuel supply, which resulted in a total loss of engine power due to fuel starvation.NTSB ERA23FA078Accident · 1 fatalClass 3 · FieldFinal reportRotorsport UK Cavalon · Beverly, MAThe pilot’s improper yaw control during the takeoff initial climb, which resulted in an excessive sideslip and a subsequent loss of aircraft control.NTSB ERA20FA124Accident · 1 fatalClass 3 · FieldFinal reportCessna 177RG · Sterling, MAA total loss of engine power during takeoff due to fuel exhaustion. Contributing to the accident was the pilot’s inadequate preflight inspection.NTSB ERA20CA100Accident · No injuriesData collectionFinal reportCessna 402 · Barnstable, MAThe pilot's failure to properly secure the crew hatch door before takeoff, which resulted in the door’s forward hinge assembly tearing from its fuselage mount point.NTSB ERA19FA107Accident · 2 fatalField investigationFinal reportCessna 172 · Mansfield, MAThe flight instructor's failure to maintain airplane control during initial climb after a touch-and-go landing, which resulted in an exceedance of the airplane's critical angle of attack and an aerodynamic stall.NTSB ERA18FA230Accident · 1 fatalField investigationFinal reportAeronca 7AC · Hanson, MAA loss of engine power due to carburetor icing, the pilot's decision to turn back to the runway shortly after takeoff, and his failure to maintain airspeed during the turn, which resulted in an exceedance of the airplane's critical angle of attack, and…NTSB GAA18CA071Accident · No injuriesData collectionFinal reportCessna 402 · Hyannis, MAEncounter with a flock of birds during takeoff at night, resulting in multiple bird strikes and structural damage.NTSB ERA16LA280Accident · No injuriesLimited investigationFinal reportPiper PA 28R-201 · Northampton, MAThe failure of the alternate air valve plate hinge pin, which caused the alternate air valve plate to lodge in the fuel servo assembly, which resulted in a restriction of air to the fuel servo assembly, a loss of engine power, and an off-airport emergency…NTSB ERA16LA115Accident · Serious injuriesLimited investigationFinal reportBeech 95 C55 · Plymouth, MAThe pilot's failure to maintain control of the airplane during an aborted takeoff in gusting wind conditions.NTSB ERA16FA023Accident · 1 fatalField investigationFinal reportMooney M20M · Worcester, MAA total loss of engine power during the initial climb due to a fatigue failure of the engine's crankshaft. Contributing to the accident was the pilot's failure to maintain control of the airplane, which resulted in an aerodynamic stall.NTSB ERA14LA248Accident · No injuriesLimited investigationFinal reportBell Helicopter Textron Canada 206 L4 · Beverly, MAMaintenance personnel’s inadequate inspection of the engine’s outer combustion case, which resulted in the failure of the case due to fatigue cracks that initiated on the inside surface of the case and the subsequent total loss of engine power.NTSB ERA14LA043Accident · Serious injuriesLimited investigationFinal reportMaule M-5-180C · Marshfield, MAA partial loss of engine power for reasons that could not be determined in postaccident examinations because fire damage precluded testing of the fuel and several engine accessories.NTSB ERA13FA372Accident · 2 fatalField investigationFinal reportAeronca 7AC · Taunton, MAThe pilot/owner’s inadequate preflight inspection and inadequate pretakeoff check of the flight controls, which resulted in a takeoff with the rudder gust lock installed. Contributing to the accident was the pilot-rated passenger’s failure to detect that the…NTSB ERA13CA354Accident · No injuriesData collectionFinal reportStetson Norman B Challenger II · Orange, MAThe pilot’s failure to maintain airspeed during the initial climb after takeoff, which resulted in an aerodynamic stall. Contributing to the accident was the pilot’s lack of total flight experience in the accident airplane make and model.NTSB ERA13LA270Accident · 1 fatalLimited investigationFinal reportMaule BEE DEE M-4-210 · Cuttyhunk, MAThe pilot’s failure to maintain adequate airspeed after takeoff, which resulted in an aerodynamic stall and loss of airplane control.NTSB ERA13LA034Accident · No injuriesLimited investigationFinal reportCessna 150H · Mansfield, MAThe pilots’ failure to apply carburetor heat during takeoff, which resulted in a partial loss of engine power due to the formation of carburetor ice.NTSB ERA13IA036Incident · No injuriesIncident investigationFinal reportCessna 560XL · Nantucket, MAThe incorrect installation of the left main gear aft trunnion pivot pin by maintenance personnel, which resulted in separation of the aft portion of the left main gear trunnion from the aft trunnion fitting and minor damage to the airplane.NTSB ERA12FA143Accident · Serious injuriesField investigationFinal reportCessna 150G · Fitchburg, MAA partial loss of engine power due to the formation of carburetor ice and the flight instructor's improper application of carburetor heat.NTSB ERA11LA502Accident · Serious injuriesLimited investigationFinal reportCessna P210N · South Deerfield, MAThe failure of the electrical system due to an alternator failure during flight in instrument meteorological conditions, and the pilot’s inadequate preflight inspection and failure to use the approved checklist for the dual alternator system. Contributing to…NTSB ERA11FA480Accident · 1 fatalField investigationFinal reportPiper PA-28-181 · Provincetown, MAThe pilot’s failure to maintain adequate clearance from trees and terrain during the initial climb. Contributing was spatial disorientation due to a vestibular illusion and the pilot’s likely impairment due to alcohol consumption.NTSB ERA11LA383Accident · No injuriesLimited investigationFinal reportCessna 150L · Plymouth, MAA partial loss of engine power during initial climb due to a stuck cylinder valve, which resulted from excessive corrosion and carbon deposits on the valve springs due to inadequate maintenance.NTSB ERA11FA094Accident · 1 fatalField investigationFinal reportPiper PA-28-151 · Spencer, MAThe in-flight collision with a tree while returning to land for undetermined reasons.NTSB ERA11LA049Accident · Serious injuriesLimited investigationFinal reportAirborne Classic · Stow, MAThe operator's inadequate engine maintenance, which resulted in a total loss of engine power. Contributing to the accident was the pilot's decision to conduct a downwind takeoff.NTSB ERA10FA414Accident · 2 fatalField investigationFinal reportCessna 172 · Orange, MAThe pilots did not maintain control of the airplane during a flight in dark night conditions due to spatial disorientation.NTSB ERA10CA393Accident · No injuriesData collectionFinal reportMaule M-7-260 · Onset, MAThe pilot's loss of airplane control during the initial climb.NTSB NYC08FA324Accident · 1 fatalField investigationFinal reportCessna 402 · Vineyard Haven, MAA loss of aircraft control due to spatial disorientation.NTSB MIA08LA041Accident · No injuriesLimited investigationFinal reportGrumman American AA-5B · Norwood, MAThe loss of engine power for undetermined reasons. *This report was modified on May 20, 2008.*NTSB ATL07FA125Accident · 2 fatalField investigationFinal reportCessna 172M · Mansfield, MAThe pilot's improper use of wing flaps during takeoff, which resulted in reduced climb performance and a subsequent stall. Contributing to the accident was the exceedance of the airplane's maximum gross weight.NTSB NYC07CA165Accident · No injuriesData collectionFinal reportPiper J3C-65 · Uxbridge, MAA partial loss of engine power for undetermined reasons.NTSB NYC06LA224Accident · Serious injuriesLimited investigationFinal reportGarlick OH-58A · East Bridgewate, MAThe completion center's installation of the incorrect (shorter) release cable, and the ground crewmember's improper movement under the flight path during a bin transfer.NTSB NYC06LA101Accident · Minor injuriesLimited investigationFinal reportMooney M20J · Norwood, MAImproper maintenance, which resulted in a fatigue fracture of the dual magneto mounting flange, and a subsequent loss of engine power.NTSB NYC06LA092Accident · Minor injuriesLimited investigationFinal reportMichaud KR2S · North Andover, MAA partial loss of engine power for undetermined reasons, during the initial climb, which resulted in a forced landing into trees.NTSB NYC06IA044Incident · No injuriesIncident investigationFinal reportBoeing 717-200 · Boston, MAWater dilution of the grease, which resulted in the failure of the number 4 wheel bearing.NTSB NYC05LA141Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-140 · Marstons Mills, MAThe pilot's failure to attain a climb during takeoff which resulted in a diminished climb rate and subsequent collision with trees. Factors were the turf runway and a tailwind.NTSB NYC05LA103Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Beverly, MAThe pilot's failure to attain the proper touchdown point while conducting a precautionary landing. A factor was the partial loss of power to one engine for undetermined reasons.NTSB IAD05LA002Accident · No injuriesLimited investigationFinal reportBradley Renegade · Stow, MAA partial loss of engine power for undetermined reasons, which resulted in the airplane's inability to climb over a stand of trees.NTSB NYC04LA186Accident · Minor injuriesLimited investigationFinal reportCessna 150E · Marlboro, MAThe loss of engine power due to a stuck cylinder exhaust valve. Factors were the tailwind and a jammed engine cylinder exhaust valve.NTSB NYC04LA133Accident · Serious injuriesLimited investigationFinal reportMosher Avid Heavy Hauler · Fitchburg, MAThe malfunction of the elevator control system, resulting in a forced landing.NTSB IAD04LA018Accident · Minor injuriesLimited investigationFinal reportBeech A36 · Bedford, MAThe mechanic's failure to properly torque the engine-driven fuel pump's return line B-nut fitting.NTSB DCA04IA018Incident · No injuriesIncident investigationFinal reportEmbraer 135 · Bangor, MASevere wear of the internal threads of the rudder interconnection contol rod which led to disengagement.NTSB NYC03LA204Accident · Serious injuriesLimited investigationFinal reportLaBarge Titan Tornado I · Charlton, MAA seizure of the forward piston during the initial climb.NTSB IAD03IA007Incident · No injuriesIncident investigationFinal reportBoeing 767-222 · Boston, MAAn inadvertant collision with birds during the initial climb out.NTSB NYC02LA099Accident · No injuriesLimited investigationFinal reportBoucher Revolution Mini 500 · Sterling, MAA misalignment of the rotor system drive belt, which resulted in belt chaffing, its subsequent separation, and a resultant loss of power to the rotor system. Also causal was the relatively low altitude and airspeed at which the separation occurred, which…NTSB IAD02LA025Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-180 · Oxford, MAThe pilot's delayed aborted landing and his failure to attain obstacle clearance. The pilot's misjudgment of distance is a contributing factor.NTSB IAD01LA099Accident · No injuriesLimited investigationFinal reportCessna 150J · Hyannis, MAThe pilot's inadequate preflight inspection, which resulted in a total loss of engine power due to fuel contamination.NTSB NYC01LA166Accident · Minor injuriesLimited investigationFinal reportCessna 402C · Boston, MAThe pilot's improper decision to waive the wake turbulence hold time, and his subsequent loss of control when wake vortex turbulence was encountered.NTSB IAD01IA034Incident · No injuriesIncident investigationFinal reportMcDonnell Douglas DC-10 · Boston, MAThe inadequate de-ice and preflight inspection procedure of the #2 engine inlet and bellmouth area by company maintenance personnel that resulted in ice ingestion and foreign object damage of the #2 engine.NTSB IAD00LA048Accident · No injuriesLimited investigationFinal reportGrumman American AA-1A · Northampton, MAThe student pilot's failure to maintain directional control during takeoff.NTSB NYC99LA045Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-161 · Methuen, MAThe pilot's failure to ensure the engine primer was in and locked prior to takeoff which resulted in a loss of engine power. A factor in this accident was the pilot's lack of experience in airplanes equipped with reciprocating engines.