# NTSB investigations: Initial climb

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 143 of 412 · 20,559 cases

## Cases, newest first

- [NTSB CHI91DEC01](https://openairdocs.org/ntsb/CHI91DEC01.md): Mocock Avid Amphibian · Milford, MI · Accident · 1 fatal · Final report · Jan 19, 1991 · N126TT · Destroyed
  > The pilot's failure to maintain adequate airspeed during takeoff which resulted in a stall. A factor related to the accident were the gusty wind conditions.
- [NTSB ATL91FA039](https://openairdocs.org/ntsb/ATL91FA039.md): Beech 35 · Arden, NC · Accident · 1 fatal · Field investigation · Final report · Jan 18, 1991 · N4589V · Destroyed
  > For undetermined reasons, the engine lost power.
- [NTSB ATL91LA038](https://openairdocs.org/ntsb/ATL91LA038.md): Piper PA-23 · Bolivar, TN · Accident · Serious injuries · Limited investigation · Final report · Jan 14, 1991 · N1361P · Substantial damage
  > The interruption of fuel to the left engine due to contamination of the left fuel tank, resulting in engine stoppage.
- [NTSB FTW91FA029](https://openairdocs.org/ntsb/FTW91FA029.md): Beech F-90 · Nacogdoches, TX · Accident · Serious injuries · Field investigation · Final report · Jan 11, 1991 · N311DS · Destroyed
  > The loss of thrust due to the propeller's feathering on liftoff as a result of improper adjustments made during an engine change. A factor was the lack of suitable terrain to which the pilot could execute a forced landing.
- [NTSB CHI91LA064](https://openairdocs.org/ntsb/CHI91LA064.md): Cessna 320E · Elkhart, IN · Accident · Minor injuries · Limited investigation · Final report · Jan 10, 1991 · N4695X · Substantial damage
  > A fractured landing gear retraction assembly component and the pilot's improper emergency procedure.
- [NTSB LAX91LA069](https://openairdocs.org/ntsb/LAX91LA069.md): Champion 7ECA · Hilo, HI · Accident · Serious injuries · Limited investigation · Final report · Jan 6, 1991 · N996MP · Destroyed
  > The failure of the pilot to maintain an adequate airspeed while maneuvering. A factor in the accident was the pilot's decision to attempt steep and abrupt maneuvers during the takeoff initial climb phase.
- [NTSB LAX91FA066](https://openairdocs.org/ntsb/LAX91FA066.md): Cessna T210M · Sacramento, CA · Accident · 1 fatal · Field investigation · Final report · Jan 6, 1991 · N6148B · Destroyed
  > The failure of the pilot-in-command to maintain control of the airplane while flying in instrument meteorological conditions and spatial disorientation of the pilot-in-command. Contributing to the accident was diversion of the pilot's attention to…
- [NTSB FTW91FA027](https://openairdocs.org/ntsb/FTW91FA027.md): Cessna 421B · Muskogee, OK · Accident · 6 fatal · Field investigation · Final report · Jan 6, 1991 · N421H · Destroyed
  > The pilot's failure to maintain control of the aircraft, due to spatial disorientation. Factors related to the accident were: darkness, adverse weather conditions, and the pilot's physical impairment from the chronic sinus infection.
- [NTSB CHI91LA060](https://openairdocs.org/ntsb/CHI91LA060.md): Cessna 150D · Ft. Atkinson, WI · Accident · No injuries · Limited investigation · Final report · Jan 6, 1991 · N4286U · Substantial damage
  > The pilot's failure to refuel. A factor was unsuitable terrain for landing.
- [NTSB MIA91IA061](https://openairdocs.org/ntsb/MIA91IA061.md): Cessna 210M · Lutz, FL · Incident · No injuries · Incident investigation · Final report · Jan 5, 1991 · N823AR · Minor damage
  > Fuel line chafing, and in-flight fire caused by shorting of the electrical system which resulted in a forced landing with the landing gear not extended.
- [NTSB DEN91LA031](https://openairdocs.org/ntsb/DEN91LA031.md): Piper PA-28-160 · Deming, NM · Accident · No injuries · Limited investigation · Final report · Jan 5, 1991 · N6031W · Substantial damage
  > Pilot failure to maintain airspeed during takeoff climb resulting in a stall and subsequent loss of control of the aircraft. A factor was: the failure of the CFI to adequately supervise the student pilot.
- [NTSB NYC91LA056](https://openairdocs.org/ntsb/NYC91LA056.md): Cessna 182P · Princeton, NJ · Accident · Minor injuries · Limited investigation · Final report · Jan 1, 1991 · N4675K · Substantial damage
  > Pilot factor in that the pilot failed to use carburetor heat resulting in engine power loss due to carburetor ice. Factors were unsuitable terrain and obstructions.
- [NTSB SEA91FA038](https://openairdocs.org/ntsb/SEA91FA038.md): Cessna 182B · Estacada, OR · Accident · 2 fatal · Field investigation · Final report · Dec 31, 1990 · N7288E · Substantial damage
  > A power loss due to carburetor ice, and missing muffler cones as a result of inadequate maintenance inspection. In addition, the pilot failed to maintain adequate airspeed during the forced landing which resulted in a stall.
- [NTSB LAX91LA061](https://openairdocs.org/ntsb/LAX91LA061.md): Piper PA-28-150 · Sierra Vista, AZ · Accident · No injuries · Limited investigation · Final report · Dec 28, 1990 · N5968W · Substantial damage
  > Loss of engine power due to carburetor ice from improper use of the carburetor heat control.
- [NTSB FTW91FA025](https://openairdocs.org/ntsb/FTW91FA025.md): Piper PA28-181 · Olla, LA · Accident · 1 fatal · Field investigation · Final report · Dec 16, 1990 · N8460Q · Destroyed
  > The collapsed carburetor float and restricted movement of the fuel metering needle. Factors were the darknight, the unsuitable terrain, and the operator's maintenance personnel failure to inspect (repair) the engine.
- [NTSB DEN91LA025](https://openairdocs.org/ntsb/DEN91LA025.md): Grumman AA1B · Roswell, NM · Accident · No injuries · Limited investigation · Final report · Dec 15, 1990 · N1638R · Substantial damage
  > Low cylinder compression and fouled spark plug.
- [NTSB CHI91LA057](https://openairdocs.org/ntsb/CHI91LA057.md): Cessna 172M · Austin, MN · Accident · No injuries · Limited investigation · Final report · Dec 13, 1990 · N1489U · Substantial damage
  > The pilot-in-command (student)'s failure to properly evaluate and compensate for gusty wind condiitons and to maintain directional of the aircraft during initial climb. Contributing was the student pilot's lack of total experience and wind gusts.
- [NTSB MIA91LA042](https://openairdocs.org/ntsb/MIA91LA042.md): Cessna 172G · Jacksonville, FL · Accident · Serious injuries · Limited investigation · Final report · Dec 12, 1990 · N5780R · Destroyed
  > Failure to maintain aircraft control after intentional flight into known adverse weather conditions.
- [NTSB LAX91FA052](https://openairdocs.org/ntsb/LAX91FA052.md): de Havilland DHC-6-100 · Perris Valley, CA · Accident · Minor injuries · Field investigation · Final report · Dec 9, 1990 · N121PM · Substantial damage
  > A loss of power on the left engine due to a fatigue failure of a compressor turbine blade leading to further compressor blade damage; a worn power turbine governor throttle cam assembly which led to loss of power on the right engine; and inadequate…
- [NTSB FTW91LA022](https://openairdocs.org/ntsb/FTW91LA022.md): Taylorcraft DC-65 · Boerne, TX · Accident · No injuries · Limited investigation · Final report · Dec 9, 1990 · N61080 · Substantial damage
  > The pilot's inability to climb over obstacles due to encountering a downdraft which exceeded the climb capability of the airplane. Factors in the accident were the gusty wind conditions and the downdraft.
- [NTSB FTW91LA021](https://openairdocs.org/ntsb/FTW91LA021.md): Cessna 150E · Amarillo, TX · Accident · Serious injuries · Limited investigation · Final report · Dec 7, 1990 · N3956U · Destroyed
  > An underpowered takeoff attempt due to incorrectly set magnetos. Contributing was the transmission lines.
- [NTSB LAX91LA050](https://openairdocs.org/ntsb/LAX91LA050.md): Cessna 172M · Big Bear City, CA · Accident · Minor injuries · Limited investigation · Final report · Dec 4, 1990 · N12943 · Substantial damage
  > The pilot's failure to maintain adequate airspeed during takeoff and his incorrect use of full flaps. Factors related to the high density altitude condition and to the pilot's abrupt airplane handling techniques.
- [NTSB NYC91LA045](https://openairdocs.org/ntsb/NYC91LA045.md): Cessna 150J · Columbus, OH · Accident · No injuries · Limited investigation · Final report · Dec 1, 1990 · N60026 · Substantial damage
  > The pilot's improper recovery from a bounced landing. Factors in the accident were: a downwind landing, and loss of engine power for undetermined reasons.
- [NTSB CHI91LA039](https://openairdocs.org/ntsb/CHI91LA039.md): Cessna 150 · Niota, IL · Accident · No injuries · Limited investigation · Final report · Nov 29, 1990 · N50098 · Substantial damage
  > Fuel consumption calculations misjudged by the PIC. Contributing factors were a tailwind landing and no suitable terrain.
- [NTSB NYC91LA038](https://openairdocs.org/ntsb/NYC91LA038.md): Piper PA-28-161 · Marshfield, MA · Accident · No injuries · Limited investigation · Final report · Nov 26, 1990 · N4347H · Substantial damage
  > The partial loss of engine power for undetermined reasons. Contributing to the accident was the unsuitable terrain in which the emergency landing was made.
- [NTSB MIA91LA031](https://openairdocs.org/ntsb/MIA91LA031.md): Cessna 152 · Opa Locka, FL · Accident · No injuries · Limited investigation · Final report · Nov 25, 1990 · N25053 · Substantial damage
  > The pilot's failure to maintain a positive rate of climb while maneuvering to avoid a flock of birds, resulting in an in flight collision with trees. Factor(s) included: attention diverted.
- [NTSB DEN91LA023](https://openairdocs.org/ntsb/DEN91LA023.md): Cessna 150H · Clifton, TX · Accident · Serious injuries · Limited investigation · Final report · Nov 25, 1990 · N23467 · Substantial damage
  > Inadvertent stall. Factors were: tailwind, wrong runway selected, and failure to raise flaps.
- [NTSB ANC91FA014](https://openairdocs.org/ntsb/ANC91FA014.md): Cessna 170 · 40 W Of Clear, AK · Accident · 1 fatal · Field investigation · Final report · Nov 25, 1990 · N4030V · Substantial damage
  > The non-instrument rated pilot-in-command's loss of control while attempting to operate under visual flight rule while in instrument meteorological conditions. Contributing to the accident was the whiteout condition created by the vast expanse of white lake…
- [NTSB NYC91LA036](https://openairdocs.org/ntsb/NYC91LA036.md): Piper PA-28-140 · Cheswold, DE · Accident · 3 fatal · Limited investigation · Final report · Nov 23, 1990 · N7400J · Destroyed
  > A loss of control in flight, by a non-instrument rated pilot in instrument meteorological conditions. Factors related to the accident were: his decision to fly after he received weather briefings which inlcuded 'VFR flight not recommended'.
- [NTSB DEN91LA022](https://openairdocs.org/ntsb/DEN91LA022.md): Piper PA-28-235 · Sherman, TX · Accident · No injuries · Limited investigation · Final report · Nov 23, 1990 · N8660W · Substantial damage
  > A pilot induced inadvertent stall.
- [NTSB SEA91LA018](https://openairdocs.org/ntsb/SEA91LA018.md): Champion 7ECA · Bremerton, WA · Accident · Serious injuries · Limited investigation · Final report · Nov 19, 1990 · N7584U · Destroyed
  > The pilot did not maintain altitude.
- [NTSB NYC91DNE01](https://openairdocs.org/ntsb/NYC91DNE01.md): Craig A. Gordon Teenie TWO · Oxford, CT · Accident · No injuries · Final report · Nov 16, 1990 · N199MG · Substantial damage
  > The failure of the pilot to maintain airspeed which resulted in an inadvertent stall and hard landing. Factors related to the accident were: the power loss and improper maintenance on the engine.
- [NTSB SEA91LA016](https://openairdocs.org/ntsb/SEA91LA016.md): Cessna 172A · Brigham City, UT · Accident · Serious injuries · Limited investigation · Final report · Nov 15, 1990 · N5030A · Substantial damage
  > The pilot did not maintain a proper climb rate.
- [NTSB MIA91LA026](https://openairdocs.org/ntsb/MIA91LA026.md): Piper PA-38-112 · Fort Pierce, FL · Accident · No injuries · Limited investigation · Final report · Nov 13, 1990 · N25109 · Substantial damage
  > Improper preflight decision of the instructor pilot to allow the student to takeoff from the soft grass runway and his failure to abort the takeoff.
- [NTSB LAX91LA025](https://openairdocs.org/ntsb/LAX91LA025.md): Cessna 182Q · Pacoima, CA · Accident · Serious injuries · Limited investigation · Final report · Nov 10, 1990 · N759ED · Destroyed
  > An engine failure for undetermined reasons.
- [NTSB BFO91DID01](https://openairdocs.org/ntsb/BFO91DID01.md): Aeronca Champion 7BCM · Suffolk, VA · Accident · 2 fatal · Final report · Nov 8, 1990 · N7702B · Destroyed
  > A loss of engine power due to low cylinder compression. The low compression was a result of exhaust valve leakage and inadequate maintenance and inspection. In addition, the pilot failed to maintain adequate airspeed which resulted in the airplane stalling.
- [NTSB MIA91LA021](https://openairdocs.org/ntsb/MIA91LA021.md): Cessna 170 · Patillas, PR · Accident · No injuries · Limited investigation · Final report · Nov 4, 1990 · N4023V · Substantial damage
  > The accident was failure of the non certificated pilot to lower the flaps to the correct position for takeoff and failure to abort the takeoff due to insufficient acceleration.
- [NTSB NYC91DNC02](https://openairdocs.org/ntsb/NYC91DNC02.md): Marier Early Bird Jenny · Concord, NH · Accident · Serious injuries · Final report · Nov 3, 1990 · N7165Y · Destroyed
  > The failure of the pilot to maintain adequate airspeed, which resulted in an inadvertent stall spin. A factor related to the accident was: the pilot's lack of experience in the make and model of aircraft.
- [NTSB ATL91IA014](https://openairdocs.org/ntsb/ATL91IA014.md): Bell 412 · Knoxville, TN · Incident · No injuries · Incident investigation · Final report · Nov 3, 1990 · N412UT · Minor damage
  > The pilot's failure to see and avoid the wires prior to the collision. Factors in the incident were the failure of the ground personnel to adequately inspect the landing zone, the presence of high intensity lights at the lz, and the dark lighting conditions.
- [NTSB FTW91DPD01](https://openairdocs.org/ntsb/FTW91DPD01.md): Rans S-9 · Iowa Park, TX · Accident · No injuries · Final report · Nov 2, 1990 · N89KJ · Substantial damage
  > The total loss of engine power due to fuel starvation as the result of a blocked fuel filter in the fuel system.
- [NTSB CHI91FA022](https://openairdocs.org/ntsb/CHI91FA022.md): Cessna 195 · Flint, MI · Accident · 2 fatal · Field investigation · Final report · Oct 31, 1990 · N4325N · Destroyed
  > The pilot-in-command's inadequate preflight inspection of the fuel tank system. Factor(s) were: water contamination in the fuel.
- [NTSB BFO91FA008](https://openairdocs.org/ntsb/BFO91FA008.md): Piper PA-28-181 · Elkton, MD · Accident · Serious injuries · Field investigation · Final report · Oct 30, 1990 · N4321M · Destroyed
  > Loss of engine power for an undetermined reason, and the pilot's failure to maintain adequate airspeed, which resulted in a stall and an inflight collision with the terrain.
- [NTSB BFO91LA007](https://openairdocs.org/ntsb/BFO91LA007.md): Cessna 185 · Ridgely, MD · Accident · No injuries · Limited investigation · Final report · Oct 27, 1990 · N1555F · Destroyed
  > The loss of engine power for undetermined reasons.
- [NTSB ATL91LA009](https://openairdocs.org/ntsb/ATL91LA009.md): Piper PA-22-150 · Summerville, SC · Accident · Minor injuries · Limited investigation · Final report · Oct 26, 1990 · N6142D · Substantial damage
  > An eroded exhaust stack which allowed hot gases to impinge upon the firewall, and ignite cabin insulation.
- [NTSB LAX91LA017](https://openairdocs.org/ntsb/LAX91LA017.md): Beech F33A · Mobile, AZ · Accident · Minor injuries · Limited investigation · Final report · Oct 24, 1990 · N1568A · Substantial damage
  > A fuel flow interruption due to a fuel system seal fragment becoming lodged in the fuel control unit and the manufacturer's inadequate quality control procedures.
- [NTSB MIA91FA014](https://openairdocs.org/ntsb/MIA91FA014.md): Daniel S. Taylor Sonerai II LS · Prattville, AL · Accident · 1 fatal · Field investigation · Final report · Oct 21, 1990 · N148DT · Destroyed
  > The pilot's failure to maintain airspeed. Factors were undetermined loss of engine power and lack of experience in type.
- [NTSB LAX91DUJ02](https://openairdocs.org/ntsb/LAX91DUJ02.md): Joe L. Harr SE-5A · Camp Verde, AZ · Accident · No injuries · Final report · Oct 20, 1990 · N4565 · Substantial damage
  > The pilot's inadvertent shut-off of the fuel supply to the engine shortly after takeoff.
- [NTSB BFO91LA004](https://openairdocs.org/ntsb/BFO91LA004.md): Piper PA-28-140 · Amelia, VA · Accident · Serious injuries · Limited investigation · Final report · Oct 20, 1990 · N4167J · Destroyed
  > The pilot's improper in-flight planning/decision and his intere uphill runway and tailwind.
- [NTSB LAX91DUM02](https://openairdocs.org/ntsb/LAX91DUM02.md): Ayres S2RT-T34 · El Centro, CA · Accident · Serious injuries · Final report · Oct 17, 1990 · N4001M · Destroyed
  > Collision with a ground object after the pilot successfully made a night time emergency landing after experiencing an engine power interruption for undetermined reasons.
- [NTSB LAX91DUJ01](https://openairdocs.org/ntsb/LAX91DUJ01.md): Joseph W. Hillbrand Sonerai IIL · Maricopa, AZ · Accident · Serious injuries · Final report · Oct 17, 1990 · N119JH · Substantial damage
  > An engine failure due to improper fuel.

Next page: https://openairdocs.org/ntsb-phases/350/cases.md?page=144

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 350)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/350/cases?page=143

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.