# NTSB investigations: Approach

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 137 of 420 · 20,992 cases

## Cases, newest first

- [NTSB CHI94DEP01](https://openairdocs.org/ntsb/CHI94DEP01.md): Krotje Kolb Mark III · Oshkosh, WI · Accident · No injuries · Final report · Nov 28, 1993 · N393PK · Substantial damage
  > The lack of carburetor heat for the engine. A factor related to the accident was: the weather condition, which was favorable for formation of carburetor ice.
- [NTSB BFO94FA021](https://openairdocs.org/ntsb/BFO94FA021.md): Piper PA32R-301 · Butler, PA · Accident · 1 fatal · Field investigation · Final report · Nov 28, 1993 · N707JS · Destroyed
  > The pilot's inadvertent flight into IMC conditions and his failure to maintain proper altitude. The weather conditions were a factor.
- [NTSB LAX94LA060](https://openairdocs.org/ntsb/LAX94LA060.md): Albrecht Polywagon · Vacaville, CA · Accident · Serious injuries · Limited investigation · Final report · Nov 26, 1993 · N320PW · Substantial damage
  > the pilot's failure to maintain control of the aircraft during a go-around. Factors in the accident were the wind shear conditions and the pilot's failure to adequately balance the fuel load during the flight.
- [NTSB FTW94FA038](https://openairdocs.org/ntsb/FTW94FA038.md): Cessna T303 · Rogers, AR · Accident · 2 fatal · Field investigation · Final report · Nov 26, 1993 · N2297C · Destroyed
  > The pilot's continued flight into known adverse weather conditions, and the ensuing inadvertent stall. Factors were the icing conditions, the fog, the drizzle, the dark night light conditions, and the pilot's disregard for the forecasted weather conditions.
- [NTSB BFO94LA018](https://openairdocs.org/ntsb/BFO94LA018.md): Beech 58 · Stowe, VT · Accident · Serious injuries · Limited investigation · Final report · Nov 26, 1993 · N4VG · Destroyed
  > The pilot did not follow the emergency procedure after loss of power in the right engine, by failing to feather the right engine and failing to maintain minimum single-engine control speed. A factor related to the accident was: failure of the pilot to adhere…
- [NTSB BFO94LA016](https://openairdocs.org/ntsb/BFO94LA016.md): Taylorcraft J-2 · Pittstown, NJ · Accident · No injuries · Limited investigation · Final report · Nov 22, 1993 · N19565 · Substantial damage
  > The pilot failed to maintain a proper glidepath. A factor in the accident was the presence of sunglare.
- [NTSB LAX94LA055](https://openairdocs.org/ntsb/LAX94LA055.md): Mooney M20B · Santa Paula, CA · Accident · Minor injuries · Limited investigation · Final report · Nov 21, 1993 · N6405Q · Substantial damage
  > The pilot's failure to follow proper procedures/directives prohibiting night operations at the airport and failure to maintain the proper glidepath. The pilot's diverted attention was a factor in this accident.
- [NTSB ATL94LA022](https://openairdocs.org/ntsb/ATL94LA022.md): Cessna 150L · Kinston, NC · Accident · Minor injuries · Limited investigation · Final report · Nov 21, 1993 · N5340Q · Substantial damage
  > Was the student pilot's failure to maintain aircraft control during the go around. A factor was the wind gusts which occurred at the time of the accident.
- [NTSB FTW94IA035](https://openairdocs.org/ntsb/FTW94IA035.md): Grumman G159 · Pineville, LA · Incident · No injuries · Incident investigation · Final report · Nov 16, 1993 · N806W · Minor damage
  > An encounter with a wet microburst, on final approach at 200 feet AGL, which exceeded the performance capability of the aircraft.
- [NTSB CHI94FA039](https://openairdocs.org/ntsb/CHI94FA039.md): Boeing 727-227 · Chicago, IL · Accident · No injuries · Field investigation · Final report · Nov 15, 1993 · N16762 · Substantial damage
  > The captain's failure to assure that the landing gear was extended for landing. Factors related to the accident were: traffic alert distractions, the flight crew's failure to use the checklist, and inadequate company systems training.
- [NTSB ATL94LA017](https://openairdocs.org/ntsb/ATL94LA017.md): Maule M-7-235 · Lake City, SC · Accident · Minor injuries · Limited investigation · Final report · Nov 14, 1993 · N9226M · Substantial damage
  > The pilot's failure to maintain a proper glidepath which resulted in collision with trees near the approach end of the runway.
- [NTSB BFO94LA006](https://openairdocs.org/ntsb/BFO94LA006.md): Cessna 150M · West Milford, NJ · Accident · Minor injuries · Limited investigation · Final report · Nov 11, 1993 · N3481V · Substantial damage
  > The loss of engine power due to an undetermined reason. A factor in this accident was the lack of suitable terrain to complete a forced landing.
- [NTSB SEA94GA024](https://openairdocs.org/ntsb/SEA94GA024.md): Cessna 182R · Salt Lake City, UT · Accident · Minor injuries · Final report · Nov 10, 1993 · N9652X · Destroyed
  > The pilot in command's maintaining inadequate altitude while crossing over the ground track of the landing Boeing 757. A factor contributing to the accident was wake turbulence.
- [NTSB ATL94LA013](https://openairdocs.org/ntsb/ATL94LA013.md): Bowermaster B-8M · Cowpens, SC · Accident · Serious injuries · Limited investigation · Final report · Nov 10, 1993 · N10343 · Substantial damage
  > Fuel starvation which resulted from unported fuel in the fuel tank due to inadequate design of the tanks.
- [NTSB LAX94LA040](https://openairdocs.org/ntsb/LAX94LA040.md): Beech D95A · Hollister, CA · Accident · No injuries · Limited investigation · Final report · Nov 9, 1993 · N566KK · Substantial damage
  > The improper position of the fuel selector switch by the dual student during the before landing checklist and inadequate supervision by the CFI. Fuel starvation to both engines was a factor in this accident.
- [NTSB BFO94LA004](https://openairdocs.org/ntsb/BFO94LA004.md): Piper PA-28-161 · Manassas, VA · Accident · No injuries · Limited investigation · Final report · Nov 8, 1993 · N8223T · Substantial damage
  > The loss of total engine power for undetermined reasons. A factor in the accident was the lack of suitable terrain to enable the completion of a power-off forced landing.
- [NTSB FTW94LA027](https://openairdocs.org/ntsb/FTW94LA027.md): Cessna 150G · Salem, AR · Accident · No injuries · Limited investigation · Final report · Nov 7, 1993 · N2225J · Substantial damage
  > Partial loss of engine power for undetermined reasons. A factor was unsuitable terrain for the forced landing.
- [NTSB MIA94FA015](https://openairdocs.org/ntsb/MIA94FA015.md): Cessna 182Q · Crestview, FL · Accident · 1 fatal · Field investigation · Final report · Nov 6, 1993 · N97450 · Destroyed
  > Was incapacitation of the pilot due to cardiovascular disease during an instrument approach resulting in the aircraft descending uncontrolled until tree and ground impact. Contributing to the accident was the pilot's decision to fly with known cardiovascular…
- [NTSB CHI94MA032](https://openairdocs.org/ntsb/CHI94MA032.md): Cessna 421B · Greensburg, IN · Accident · 5 fatal · Major investigation · Final report · Nov 6, 1993 · N41010 · Destroyed
  > an inadvertent stall by the pilot in command. Factors associated with the accident are the icing conditions and low ceilings.
- [NTSB SEA94LA023](https://openairdocs.org/ntsb/SEA94LA023.md): Cessna 172H · Mckenzie Bridge, OR · Accident · Minor injuries · Limited investigation · Final report · Nov 1, 1993 · N6629H · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB NYC94FA025](https://openairdocs.org/ntsb/NYC94FA025.md): Mooney M20K · Blue Ash, OH · Accident · 1 fatal · Field investigation · Final report · Oct 31, 1993 · N252G · Destroyed
  > The pilot's inadequate inflight decision to conduct flight into known icing conditions and his failure to maintain adequate airspeed which resulted in an inadvertent stall. Factors were icing conditions and the pilot's failure to follow the preflight briefing…
- [NTSB SEA94LA022](https://openairdocs.org/ntsb/SEA94LA022.md): Beech A-35 · Billings, MT · Accident · No injuries · Limited investigation · Final report · Oct 30, 1993 · N575B · Substantial damage
  > The pilot's failure to maintain directional control during the go-around. Factors include proper airspeed not being maintained, and gusty crosswinds.
- [NTSB LAX94LA032](https://openairdocs.org/ntsb/LAX94LA032.md): Cessna 172N · Joshua Tree, CA · Accident · No injuries · Limited investigation · Final report · Oct 30, 1993 · N8279E · Substantial damage
  > the pilot's failure to maintain a proper descent rate on final approach. A factor in the accident was the student's limited total experience.
- [NTSB SEA94LA021](https://openairdocs.org/ntsb/SEA94LA021.md): Hannah Avid Amphibian · Scappoose, OR · Accident · Serious injuries · Limited investigation · Final report · Oct 27, 1993 · N6664K · Substantial damage
  > The pilot's poor inflight decision, and failure to maintain sufficient airspeed. Factors include contaminated fuel.
- [NTSB SEA94LA020](https://openairdocs.org/ntsb/SEA94LA020.md): Aero Commander AC-100-180 · Oregon City, OR · Accident · Serious injuries · Limited investigation · Final report · Oct 27, 1993 · N3723X · Substantial damage
  > The pilot's failure to maintain clearance from transmission wires. Factors include light conditions at dusk, and transmission wires near the approach end of the runway.
- [NTSB LAX94LA025](https://openairdocs.org/ntsb/LAX94LA025.md): Wittman Tailwind W8L · San Jose, CA · Accident · 2 fatal · Limited investigation · Final report · Oct 27, 1993 · N9052C · Destroyed
  > The loss of engine power for an undetermined reason(s). A factor in the accident was the unsuitable nature of the terrain encountered during the forced landing.
- [NTSB FTW94LA020](https://openairdocs.org/ntsb/FTW94LA020.md): Burkhart Grob G103 · San Antonio, TX · Accident · No injuries · Limited investigation · Final report · Oct 25, 1993 · N94BG · Substantial damage
  > The pilot's failure to maintain a visual lookout. Factors were: inadequate altitude and distracted attention.
- [NTSB NYC94LA021](https://openairdocs.org/ntsb/NYC94LA021.md): Piper PA-34-200 · Bowling Green, OH · Accident · Minor injuries · Limited investigation · Final report · Oct 24, 1993 · N2874T · Substantial damage
  > The flight instructor's inadequate supervision of an attempted go-around by the student pilot which resulted in a loss of control and subsequent impact with the terrain. Factors were noncompliance with published procedures.
- [NTSB LAX94LA023](https://openairdocs.org/ntsb/LAX94LA023.md): Cessna 172 · Murrieta, CA · Accident · No injuries · Limited investigation · Final report · Oct 24, 1993 · N96353 · Substantial damage
  > The unexpected windsheer that was encountered on final approach. The surrounding mountain/hilly terrain was a factor in this accident.
- [NTSB CHI94LA021](https://openairdocs.org/ntsb/CHI94LA021.md): Cessna 182 · Byron, WI · Accident · Minor injuries · Limited investigation · Final report · Oct 24, 1993 · N5390B · Destroyed
  > the pilot's inaccurate fuel consumption calculations which resulted in his not refueling during the flight. A factor related to the accident was the pilot's failure to maintain proper airspeed during the forced landing.
- [NTSB NYC94LA013](https://openairdocs.org/ntsb/NYC94LA013.md): Cessna C-150 · Cynthiana, KY · Accident · Serious injuries · Limited investigation · Final report · Oct 23, 1993 · N704US · Destroyed
  > The pilot's abrupt control of the airplane on short final to the runway, with the flaps retracted, which resulted in an inadvertent stall and the subsequent collision with the trees. A factor in this accident was the poor judgement of the student pilot to go…
- [NTSB LAX94LA021](https://openairdocs.org/ntsb/LAX94LA021.md): Beech 76 · Scottsdale, AZ · Accident · No injuries · Limited investigation · Final report · Oct 22, 1993 · N5148M · Substantial damage
  > the flight instructor's failure to adequately supervise the flight, follow proper procedures/directives regarding leaning and clearing the idling engine, and his delay in applying power to the idling engine. The fouled spark plugs were a factor in this…
- [NTSB FTW94LA015](https://openairdocs.org/ntsb/FTW94LA015.md): Beech A36TC · Pueblo, CO · Accident · Minor injuries · Limited investigation · Final report · Oct 22, 1993 · N321TJ · Substantial damage
  > A complete, non mechanical failure of the power plant for unknown reasons. A factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX94LA016](https://openairdocs.org/ntsb/LAX94LA016.md): Robinson R-22 Beta · Sunland, CA · Accident · Minor injuries · Limited investigation · Final report · Oct 18, 1993 · N192KC · Substantial damage
  > the CFI's poor inflight planning/decision and failure to follow normal procedures. The tailwind was a factor in this accident.
- [NTSB ATL94LA005](https://openairdocs.org/ntsb/ATL94LA005.md): Mooney M20E · Maryville, TN · Accident · Minor injuries · Limited investigation · Final report · Oct 16, 1993 · N6823V · Substantial damage
  > Failure of the pilot to maintain airspeed control, which resulted in a low altitude stall.
- [NTSB NYC94LA010](https://openairdocs.org/ntsb/NYC94LA010.md): Schlappi RV3 · Hatfield, MA · Accident · Minor injuries · Limited investigation · Final report · Oct 15, 1993 · N669CP · Substantial damage
  > The pilot misjudged his distance and altitude which resulted in an undershoot of the runway. A factor was his delay in intiating a go around.
- [NTSB LAX94LA013](https://openairdocs.org/ntsb/LAX94LA013.md): Cessna 150L · Van Nuys, CA · Accident · No injuries · Limited investigation · Final report · Oct 15, 1993 · N150GS · Substantial damage
  > the pilot's poor preflight planning/preparation and fuel consumption calculations. Fuel exhaustion is a factor in this accident.
- [NTSB FTW94LA016](https://openairdocs.org/ntsb/FTW94LA016.md): Beech A36 · Tomball, TX · Accident · No injuries · Limited investigation · Final report · Oct 13, 1993 · N6198A · Substantial damage
  > Was the pilot's disregard for and continued descent below mda and his delay in executing a go around.
- [NTSB ATL94LA004](https://openairdocs.org/ntsb/ATL94LA004.md): Cessna 172 · Blountville, TN · Accident · No injuries · Limited investigation · Final report · Oct 12, 1993 · N12657 · Substantial damage
  > Improper planning/decision by the pilot, which resulted in inadequate fuel and fuel exhaustion.
- [NTSB CHI94LA011](https://openairdocs.org/ntsb/CHI94LA011.md): Cessna 172 · Independence, MO · Accident · No injuries · Limited investigation · Final report · Oct 10, 1993 · N738LX · Substantial damage
  > The pilot's misjudgment of distance, altitude, and speed on final approach to land, and failure to maintain obstacle clearance from the vehicle. The proximity of the vehicle to the approach path was a related factor.
- [NTSB NYC94FA007](https://openairdocs.org/ntsb/NYC94FA007.md): Beech A36 · Topsfield, MA · Accident · 1 fatal · Field investigation · Final report · Oct 9, 1993 · N6AP · Destroyed
  > Failure of the pilot to follow the published IFR procedure, and his failure to correct a spiral after becoming spatially disoriented.
- [NTSB FTW94FA008](https://openairdocs.org/ntsb/FTW94FA008.md): Balloon Works FIREFLY-7 · Albuquerque, NM · Accident · 2 fatal · Field investigation · Final report · Oct 9, 1993 · N4058A · Destroyed
  > The p[ilot's improper decision to attempt continued flight under the existing wind conditions. The adverse wind was a contributing factor.
- [NTSB NYC94FA004](https://openairdocs.org/ntsb/NYC94FA004.md): Piper PA-23-250 · East Hampton, NY · Accident · 2 fatal · Field investigation · Final report · Oct 6, 1993 · N10GL · Destroyed
  > Inadvertent feathering of both propellers by the student pilot, which resulted in a loss of power, and failure (or inability) of the instructor pilot (CFI) to attain remedial action. A factor related to the accident was: the student pilot's habit…
- [NTSB FTW94LA007](https://openairdocs.org/ntsb/FTW94LA007.md): Cessna 152 · San Angelo, TX · Accident · No injuries · Limited investigation · Final report · Oct 6, 1993 · N68108 · Destroyed
  > Was malfunction of the throttle control push/pull rod and cable. A factor was unsuitable terrain for the forced landing.
- [NTSB ANC94LA004](https://openairdocs.org/ntsb/ANC94LA004.md): Piper PA-18 · Bear Creek, AK · Accident · Minor injuries · Limited investigation · Final report · Oct 4, 1993 · N2765A · Substantial damage
  > The pilot's delayed go-around procedure. A factor in the accident was the improper use of carburetor heat during the go-around.
- [NTSB LAX94FA004](https://openairdocs.org/ntsb/LAX94FA004.md): Cessna 177RG · Petaluma, CA · Accident · 4 fatal · Field investigation · Final report · Oct 3, 1993 · N45022 · Destroyed
  > VFR flight by the pilot(s) into instrument meteorological conditions (IMC), and failure to maintain a proper altitude and/or clearance from terrain, while approaching the destination airport. Factors related to the accident were: the low ceiling and terrain.
- [NTSB LAX94LA002](https://openairdocs.org/ntsb/LAX94LA002.md): Cessna 170 · Fallon, NV · Accident · Minor injuries · Limited investigation · Final report · Oct 2, 1993 · N4266V · Substantial damage
  > was the pilot's failure to maintain an adequate approach path to the runway and his inadequate altitude. Contributing factors were the pilot's delayed remedial action and his lack of recent experience in the airplane.
- [NTSB ANC93LA189](https://openairdocs.org/ntsb/ANC93LA189.md): Piper PA-18 · Rocky River, AK · Accident · Minor injuries · Limited investigation · Final report · Sep 26, 1993 · N3862Z · Substantial damage
  > The pilot misjudging his altitude on final approach.
- [NTSB SEA93LA213](https://openairdocs.org/ntsb/SEA93LA213.md): Bell UH-1B · Detroit Lake, OR · Accident · Serious injuries · Limited investigation · Final report · Sep 24, 1993 · N70NW · Substantial damage
  > Failure of a second stage turbine wheel too low for a successful autorotation. Factors include a tree in the approach path.
- [NTSB MIA93LA199](https://openairdocs.org/ntsb/MIA93LA199.md): Boeing E75 · Deland, FL · Accident · Minor injuries · Limited investigation · Final report · Sep 23, 1993 · N43320 · 2 aircraft · Substantial damage
  > Failure of both pilots to maintain adequate visual lookout. Factors related to the accident were: the conflicting right traffic pattern procedures for landing that were briefed to the Boeing E75 pilot by the owner of the airstrip, and failure of both pilots…

Next page: https://openairdocs.org/ntsb-phases/500/cases.md?page=138

## 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 = 500)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/500/cases?page=137

---
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.
