# 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 141 of 412 · 20,559 cases

## Cases, newest first

- [NTSB SEA91FA121](https://openairdocs.org/ntsb/SEA91FA121.md): Taylorcraft BC-12-D · Naches, WA · Accident · 1 fatal · Field investigation · Final report · Jun 2, 1991 · N39976 · Destroyed
  > The in flight physical incapacitation of the pilot in command.
- [NTSB NYC91LA147](https://openairdocs.org/ntsb/NYC91LA147.md): Mooney M20J · Rhinebeck, NY · Accident · Serious injuries · Limited investigation · Final report · Jun 2, 1991 · N201YS · Substantial damage
  > The failure of the pilot to attain flying speed, resulting in an inadvertent stall. Factors related to the accident were: improper use of the flight controls by the pilot, and the pilot's decision to make the takeoff under the existing conditions.
- [NTSB NYC91LA146](https://openairdocs.org/ntsb/NYC91LA146.md): Cessna 120 · Delaware, OH · Accident · No injuries · Limited investigation · Final report · Jun 2, 1991 · N2858N · Substantial damage
  > Carburetor ice and the pilot in command's improper use of carburetor heat. A factor in the accident was the carburetor icing conditions.
- [NTSB LAX91LA239](https://openairdocs.org/ntsb/LAX91LA239.md): Maule M-4-220C · Byron, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 2, 1991 · N40693 · Substantial damage
  > The failure of the pilot-in-command to perform an adequate preflight inspection by taking the necessary steps to eliminate water contamination of the airplane's fuel system.
- [NTSB BFO91FA053](https://openairdocs.org/ntsb/BFO91FA053.md): Beech B65 · California, MD · Accident · Serious injuries · Field investigation · Final report · Jun 2, 1991 · N655KJ · Destroyed
  > The loss of power in one engine for undetermined reasons.
- [NTSB LAX91LA237](https://openairdocs.org/ntsb/LAX91LA237.md): Taylorcraft DCO-65 · Antioch, CA · Accident · No injuries · Limited investigation · Final report · Jun 1, 1991 · N49173 · Substantial damage
  > That the pilot's preflight was improper; that he departed with the carburetor heat on; failed to abort when it became evident that the airplane was not going to take off; and abruptly lifting the airplane so that it became airborne in ground effect, but then…
- [NTSB BFO91LA052](https://openairdocs.org/ntsb/BFO91LA052.md): Piper PA-22-150 · Elkins, WV · Accident · No injuries · Limited investigation · Final report · Jun 1, 1991 · N6904B · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB MIA91LA156](https://openairdocs.org/ntsb/MIA91LA156.md): Champion 7ECA · Quincy, FL · Accident · Serious injuries · Limited investigation · Final report · May 31, 1991 · N9646S · Substantial damage
  > The pilot's inadequate preflight inspection and the blocked vent line.
- [NTSB CHI91LA177](https://openairdocs.org/ntsb/CHI91LA177.md): Cessna 140 · Depere, WI · Accident · Serious injuries · Limited investigation · Final report · May 31, 1991 · N4090N · Destroyed
  > The pilot's failure to correct a mushed stall during liftoff. A factor in the accident was the pilot's failure to compensate for wind conditions.
- [NTSB ATL91LA103](https://openairdocs.org/ntsb/ATL91LA103.md): Cessna 150F · Monroe, NC · Accident · No injuries · Limited investigation · Final report · May 30, 1991 · N8026S · Substantial damage
  > The pilot's selection of unsuitable terrain for takeoff. The unmowed grass runnway was a related factor.
- [NTSB NYC91LA143](https://openairdocs.org/ntsb/NYC91LA143.md): Cessna 120 · Wellsville, PA · Accident · No injuries · Limited investigation · Final report · May 28, 1991 · N2714N · Substantial damage
  > A power loss due to a fuel system blockage which resulted in a forced landing.
- [NTSB CHI91LA173](https://openairdocs.org/ntsb/CHI91LA173.md): Gulfstream American AA1A · Evansville, IN · Accident · Serious injuries · Limited investigation · Final report · May 28, 1991 · N5675L · Substantial damage
  > The failure by maintenance personnel to identify the proper replacement cylinder.
- [NTSB CHI91LA168](https://openairdocs.org/ntsb/CHI91LA168.md): Cessna 150 · Cambridge, MN · Accident · No injuries · Limited investigation · Final report · May 28, 1991 · N8845S · Substantial damage
  > Partial loss of engine power due to improper use of carburetor heat and a stall encountered by the pilot.
- [NTSB LAX91LA226](https://openairdocs.org/ntsb/LAX91LA226.md): Piper PA28-140 · Truckee, CA · Accident · Serious injuries · Limited investigation · Final report · May 27, 1991 · N5777F · Substantial damage
  > The failure of the pilot to maintain airspeed and the inadvertent entry into a stall mush which led to a loss of control and an uncontrolled descent. Factors in the accident were: the pilot's poor preflight planning and the high density altitude.
- [NTSB ATL91FA099](https://openairdocs.org/ntsb/ATL91FA099.md): Piper PA-28-140 · Surf Side Beach, SC · Accident · 2 fatal · Field investigation · Final report · May 27, 1991 · N6634W · Substantial damage
  > The improper preflight inspection of the aircraft by the pilot, in that he failed to turn the aircraft fuel selector 'on' prior to starting the engine. A factor in the accident was the aircraft fuel selector valve leaking enough fuel to the engine in the…
- [NTSB NYC91FA140](https://openairdocs.org/ntsb/NYC91FA140.md): Piper PA-28-151 · Shelburne, VT · Accident · 1 fatal · Field investigation · Final report · May 25, 1991 · N8433C · Destroyed
  > Premature lift-off by the pilot, which resulted in a subsequent stall/mush and collision with trees. Factors related to the accident were: the pilot's inadequate preflight planning/preparation, and the unfavorable wind condition.
- [NTSB NYC91DHD02](https://openairdocs.org/ntsb/NYC91DHD02.md): Beamont Skybolt · Pennington, NJ · Accident · 1 fatal · Final report · May 25, 1991 · N69JB · Destroyed
  > The pilot's inadvertent lift off and failure to maintain aircraft control which resulted in an inadvertent stall. The pilot's lack of recent experience and lack of experience in type of airplane were factors in the accident.
- [NTSB LAX91LA229](https://openairdocs.org/ntsb/LAX91LA229.md): Glaser-Dirks DG-500M · Minden, NV · Accident · No injuries · Limited investigation · Final report · May 25, 1991 · N503V · Substantial damage
  > An engine failure produced as a result of the pilot improperly adjusting the carburetor mixture jet.
- [NTSB BFO91LA050](https://openairdocs.org/ntsb/BFO91LA050.md): Piper PA-22-150 · Danville, VA · Accident · Minor injuries · Limited investigation · Final report · May 25, 1991 · N5931D · Substantial damage
  > An inadequate preflight inspection which resulted in water contaminated fuel. Contributing was noncompliance with an airworthiness directive.
- [NTSB SEA91LA118](https://openairdocs.org/ntsb/SEA91LA118.md): Beech A36TC · Ogden, UT · Accident · No injuries · Limited investigation · Final report · May 24, 1991 · N3671F · Substantial damage
  > Loss of control by the pilot due to inadequate preflight planning and preparation which resulted in over gross weight aircraft loading. A factor relating to the accident was the high density altitude weather conditions.
- [NTSB FTW91DPG09](https://openairdocs.org/ntsb/FTW91DPG09.md): Grumman G-164A · Goodwin, AR · Accident · No injuries · Final report · May 21, 1991 · N542D · Substantial damage
  > Power loss due to failure of the number five cylinder assembly. A factor was the soft terrain.
- [NTSB CHI91LA161](https://openairdocs.org/ntsb/CHI91LA161.md): Piper PA-22-160 · Mankato, MN · Accident · No injuries · Limited investigation · Final report · May 21, 1991 · N2906Z · Substantial damage
  > Partial loss of engine power due to an unlocked engine primer. Factors related to the accident were that the pre takeoff check list was not followed by the pilot and the lack of suitable terrain for the forced landing.
- [NTSB ANC91LA058](https://openairdocs.org/ntsb/ANC91LA058.md): Bell UH-1B · Dog Fish Bay, AK · Accident · 1 fatal · Limited investigation · Final report · May 21, 1991 · N87966 · Destroyed
  > The pilot's exceeding the gross weight of the aircraft and inadequate supervision by company management. Contributing to the accident was the high vegetation.
- [NTSB SEA91FA110](https://openairdocs.org/ntsb/SEA91FA110.md): Beech 35 · Harrison, ID · Accident · 1 fatal · Field investigation · Final report · May 20, 1991 · N3842N · Destroyed
  > Improper preflight planning/preparation by the pilot. The terrain condition and the pilot's lack of total experience were related factors.
- [NTSB LAX91LA221](https://openairdocs.org/ntsb/LAX91LA221.md): Piper PA-28-161 · San Jose, CA · Accident · Minor injuries · Limited investigation · Final report · May 20, 1991 · N9135T · Substantial damage
  > Fuel starvation due to the flight instructor's improper use of the fuel selector valve and his failure to properly supervise the conduct of the flight.
- [NTSB ATL91LA097](https://openairdocs.org/ntsb/ATL91LA097.md): Beech 23 · Dothan, AL · Accident · No injuries · Limited investigation · Final report · May 18, 1991 · N3549R · Substantial damage
  > The failure of the cylinder head because of previous overheated operations. Factors in the accident were the pilot's inaccurate approach which resulted in the loss of directional control and subsequent swerve into the fence.
- [NTSB SEA91LA107](https://openairdocs.org/ntsb/SEA91LA107.md): Cessna 182A · Mead, WA · Accident · No injuries · Limited investigation · Final report · May 17, 1991 · N5048D · Substantial damage
  > Carburetor ice and the pilot not using the carburetor hear. Factors to the accident were: carburetor icing conditions, and the pilot did not adequately evaluate the weather conditions.
- [NTSB FTW91DPG04](https://openairdocs.org/ntsb/FTW91DPG04.md): Grumman G-164B · Vanndale, AR · Accident · No injuries · Final report · May 17, 1991 · N8106K · Destroyed
  > The pilot's failure to verify his weight and balance. A factor was the soft terrain.
- [NTSB CHI91LA153](https://openairdocs.org/ntsb/CHI91LA153.md): Cessna 177 · Decatur, IN · Accident · No injuries · Limited investigation · Final report · May 12, 1991 · N3345T · Substantial damage
  > Failure to obtain airspeed for positive lift off and climb. Factors related to the accident were a grass/sod runway and a high density altitude.
- [NTSB LAX91FA207](https://openairdocs.org/ntsb/LAX91FA207.md): Cessna 205 · Fallon, NV · Accident · 4 fatal · Field investigation · Final report · May 11, 1991 · N8360Z · Destroyed
  > The pilot-in-command's improper handling of the airplane and failure to maintain airspeed on initial takeoff climb resulting in an in flight loss of control, stall/spin, and subsequent in flight collision with terrain.
- [NTSB MIA91FA140](https://openairdocs.org/ntsb/MIA91FA140.md): Mcdonnell Douglas DC-3C · Aguadilla, PR · Accident · 2 fatal · Field investigation · Final report · May 10, 1991 · N134FS · Destroyed
  > The pilot in command's failure to maintain airspeed (vs) after a partial loss of engine power on the left engine due to failure of the no. 8 engine assembly cylinder. This resulted in an in flight loss of control (stall), and in flight collision with terrain.
- [NTSB CHI91LA148](https://openairdocs.org/ntsb/CHI91LA148.md): Cessna 182L · Port Huron, MI · Accident · No injuries · Limited investigation · Final report · May 10, 1991 · N2432Q · Substantial damage
  > The pilot's inadequate landing flare during the forced landing. The pilot's failure to use carburetor heat was a factor.
- [NTSB MIA91LA138](https://openairdocs.org/ntsb/MIA91LA138.md): Piper PA-32-300 · Clearwater, FL · Accident · Minor injuries · Limited investigation · Final report · May 9, 1991 · N55653 · Substantial damage
  > Inadequate annual inspection of the airplane by maintenance personnel who failed to detect a deteriorated oil line. This resulted in oil exhaustion causing the total loss of engine power due to failure of one of the connecting rods. Also inadvertent…
- [NTSB LAX91LA206](https://openairdocs.org/ntsb/LAX91LA206.md): Cessna 140 · Redding, CA · Accident · Minor injuries · Limited investigation · Final report · May 8, 1991 · N140ED · Substantial damage
  > That the pilot failed to brief the passenger and the passengers intentional control interference.
- [NTSB MIA91LA137](https://openairdocs.org/ntsb/MIA91LA137.md): Cessna 172K · Bunnell, FL · Accident · Minor injuries · Limited investigation · Final report · May 7, 1991 · N7270G · Substantial damage
  > Loss of control in flight due to a foreign object which restricted the movement of the elevator flight control.
- [NTSB SEA91LA098](https://openairdocs.org/ntsb/SEA91LA098.md): Richard Cheney Teratorn Tierra II · Morgan, UT · Accident · Serious injuries · Limited investigation · Final report · May 5, 1991 · N134TA · Destroyed
  > The inadvertant stall and the pilot's steep banked turn. Factors relating to the accident were the pilot's lack of qualification to conduct the flight and the strong tailwind conditions.
- [NTSB LAX91LA197](https://openairdocs.org/ntsb/LAX91LA197.md): Cessna 150 · Fernley, NV · Accident · No injuries · Limited investigation · Final report · May 5, 1991 · N45301 · Substantial damage
  > The failure of the pilot to adequately assess the climb performance of the accident airplane due to being under the influence of alcohol.
- [NTSB LAX91LA195](https://openairdocs.org/ntsb/LAX91LA195.md): Cessna U206 · Tulare, CA · Accident · Serious injuries · Limited investigation · Final report · May 5, 1991 · N2160F · Destroyed
  > An in-flight fire in the cabin/crew compartment area of the aircraft, due to failure of a fuel line located in the left doorpost area.
- [NTSB FTW91DRA02](https://openairdocs.org/ntsb/FTW91DRA02.md): W. R. Mathis Midget Mustang · Nacogdoches, TX · Accident · Serious injuries · Final report · May 4, 1991 · N43WM · Substantial damage
  > Power loss due to engine starter failure for undetermined reasons.
- [NTSB FTW91LA075](https://openairdocs.org/ntsb/FTW91LA075.md): Cessna 337D · Alpine, TX · Accident · No injuries · Limited investigation · Final report · May 2, 1991 · N86116 · Substantial damage
  > The pilot's failure to maintain directional control of the airplane. A factor was the pilot's continued takeoff in unfavorable wind.
- [NTSB DEN91LA066](https://openairdocs.org/ntsb/DEN91LA066.md): Cessna 421 · Englewood, CO · Accident · Minor injuries · Limited investigation · Final report · May 1, 1991 · N18DF · Substantial damage
  > Power loss on both engines as a result of exhaust system failure.
- [NTSB MIA91LA128](https://openairdocs.org/ntsb/MIA91LA128.md): Donald L. Hedeman SONERAI-II · Jacksonville, FL · Accident · 1 fatal · Limited investigation · Final report · Apr 27, 1991 · N4FD · Substantial damage
  > The pilot's improper adjustment of the carburetor.
- [NTSB MIA91LA127](https://openairdocs.org/ntsb/MIA91LA127.md): Travel Air 2000 · Homestead, FL · Accident · No injuries · Limited investigation · Final report · Apr 27, 1991 · N1572 · Substantial damage
  > An on ground encounter with weather conditions that were favorable for carburetor icing at a low power setting (glide power), and failure of the pilot to abort the takeoff after recognizing that the eng was not developing full power during the initial climb.
- [NTSB NYC91FA120](https://openairdocs.org/ntsb/NYC91FA120.md): Piper J5A · Newbury, MA · Accident · 1 fatal · Field investigation · Final report · Apr 23, 1991 · N35826 · Destroyed
  > The loss of inflight control, which was the result of a jammed right aileron bellcrank assembly. Factors related to the accident were; the improper maintenance of the flight control system, and the incomplete preflight by the pilot.
- [NTSB CHI91DCJ02](https://openairdocs.org/ntsb/CHI91DCJ02.md): Fagerberg Longeze · Wahoo, NE · Accident · No injuries · Final report · Apr 20, 1991 · N459EZ · Substantial damage
  > The improper installation/maintenance of the carburetor heat control. A factor was the pilot's restricted visual outlook.
- [NTSB CHI91DCG02](https://openairdocs.org/ntsb/CHI91DCG02.md): Huff Pulsar · Missouri City, MO · Accident · Serious injuries · Final report · Apr 17, 1991 · N89PB · Substantial damage
  > Oil fouled spark plugs resulting in a partial loss of engine power. Soft terrain in the forced landing area was a factor.
- [NTSB LAX91LA175](https://openairdocs.org/ntsb/LAX91LA175.md): Snider RV6 · Paulden, AZ · Accident · Serious injuries · Limited investigation · Final report · Apr 16, 1991 · N2165U · Substantial damage
  > The pilot's poor preflight preparation and his failure to ensure that the fuel selector was properly positioned for flight.
- [NTSB SEA91IA081](https://openairdocs.org/ntsb/SEA91IA081.md): Boeing 737-222 · Seattle, WA · Incident · Minor injuries · Incident investigation · Final report · Apr 10, 1991 · N9003U · Minor damage
  > Turbine blade failure from fatigue. Factors to the incident were inoperative engine fire extinguisher, inadequate service of aircraft and delayed deployment of emergency slide.
- [NTSB CHI91LA129](https://openairdocs.org/ntsb/CHI91LA129.md): Cessna 172G · Griffith, IN · Accident · Serious injuries · Limited investigation · Final report · Apr 10, 1991 · N1375F · Substantial damage
  > Contaminated fuel in the carburetor, and inadequate inspection/maintenance of the airplane by the pilot in command.
- [NTSB ATL91LA078](https://openairdocs.org/ntsb/ATL91LA078.md): Lewis Challenger II · Thomaston, GA · Accident · 1 fatal · Limited investigation · Final report · Apr 8, 1991 · N283EL · Substantial damage
  > The pilot's failure to properly maintain the airplane in accordance with prescribed procedures which resulted in fuel contamination, fouled spark plugs, and a loss of engine power. The pilot also failed to follow normal emergency procedures for the loss of…

Next page: https://openairdocs.org/ntsb-phases/350/cases.md?page=142

## 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=141

---
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.