# NTSB investigations: Maneuvering

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 76 of 378 · 18,851 cases

## Cases, newest first

- [NTSB ANC07MA083](https://openairdocs.org/ntsb/ANC07MA083.md): de Havilland DHC-2 · Ketchikan, AK · Accident · 5 fatal · Major investigation · Final report · Aug 17, 2007 · N345KA · Destroyed
  > An inadvertent aerodynamic stall resulting from the pilot's poor decision-making and inadequate planning and execution when he took off toward nearby rising terrain, in strong winds, under circumstances where his options for maneuvering were severely limited…
- [NTSB DEN07FA136](https://openairdocs.org/ntsb/DEN07FA136.md): Zlin Aviation s.r.o. Savage · Mosquero, NM · Accident · 2 fatal · Field investigation · Final report · Aug 15, 2007 · N808GS · Substantial damage
  > The pilot's failure to maintain airspeed while maneuvering, resulting in an aerodynamic stall. Contributing to the accident was the conflicting airspeed information provided by the manufacturer, the incorrect airspeed indicator markings, and the high density…
- [NTSB ANC07FA082](https://openairdocs.org/ntsb/ANC07FA082.md): Maule M-5-180C · Arctic Village, AK · Accident · 2 fatal · Field investigation · Final report · Aug 14, 2007 · N5660F · Destroyed
  > The pilot's failure to maintain sufficient airspeed to avoid a stall/spin while maneuvering.
- [NTSB SEA07CA229](https://openairdocs.org/ntsb/SEA07CA229.md): Quicksilver Manufacturing GT-500 · Newberg, OR · Accident · Serious injuries · Data collection · Final report · Aug 12, 2007 · N8058J · Substantial damage
  > The pilot's failure to maintain airspeed while maneuvering, which resulted in an inadvertent stall and uncontrolled descent to terrain impact. A contributing factor was the pilot's lack of certification.
- [NTSB ANC07LA079](https://openairdocs.org/ntsb/ANC07LA079.md): Aeronca 7AC · Big Lake, AK · Accident · Minor injuries · Limited investigation · Final report · Aug 11, 2007 · N82192 · Substantial damage
  > The student pilot's failure to maintain adequate airspeed to avoid an inadvertent stall while maneuvering.
- [NTSB SEA07FA231](https://openairdocs.org/ntsb/SEA07FA231.md): Schempp-Hirth Ventus-CM · Benton, CA · Accident · 1 fatal · Field investigation · Final report · Aug 10, 2007 · N41BM · Destroyed
  > The pilot's failure to maintain aircraft control while maneuvering and the inadvertent entry into a stall/spin. Contributing to the accident were the mountainous terrain conditions, unfavorable wind conditions, and the terrain-induced turbulent wind…
- [NTSB LAX07LA245](https://openairdocs.org/ntsb/LAX07LA245.md): Burnham Avid Flyer · Sequim, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 10, 2007 · N5MN · Substantial damage
  > a loss of engine power due to a dual ignition system failure.
- [NTSB CHI07LA260](https://openairdocs.org/ntsb/CHI07LA260.md): Piper PA-28-140 · West Bend, WI · Accident · 1 fatal · Limited investigation · Final report · Aug 10, 2007 · N1696H · Substantial damage
  > The pilot's decision to depart in adverse weather conditions, and his failure to maintain clearance from the terrain. Contributing to the accident included the pilot's lack of an instrument rating, his lack of recent night experience, the night conditions and…
- [NTSB CHI07CA267](https://openairdocs.org/ntsb/CHI07CA267.md): Snow S-2C · Hazelton, ND · Accident · No injuries · Data collection · Final report · Aug 9, 2007 · N16535 · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB DFW07CA181](https://openairdocs.org/ntsb/DFW07CA181.md): Cessna A188B · Garden City, TX · Accident · Serious injuries · Data collection · Final report · Aug 8, 2007 · N4827J · Substantial damage
  > The pilot's failure to maintain clearance with the ground equipment while maneuvering. A contributing factor was the power lines along the pilot's application path.
- [NTSB DEN07MA134](https://openairdocs.org/ntsb/DEN07MA134.md): Beech E90B · Ruidoso, NM · Accident · 5 fatal · Major investigation · Final report · Aug 6, 2007 · N369CD · Destroyed
  > Failure to maintain clearance from terrain due to spatial disorientation.
- [NTSB CHI07CA250](https://openairdocs.org/ntsb/CHI07CA250.md): Grumman G-164A · Vinton, IA · Accident · Minor injuries · Data collection · Final report · Aug 5, 2007 · N48558 · Destroyed
  > The pilot failed to maintain clearance from the power line while maneuvering during an aerial application flight. A factor was the power line.
- [NTSB CHI07LA254](https://openairdocs.org/ntsb/CHI07LA254.md): Piper PA-25-235 · Overly, ND · Accident · No injuries · Limited investigation · Final report · Aug 2, 2007 · N7263Z · Substantial damage
  > The pilot's failure to maintain terrain clearance during the agricultural application flight. Contributing to the accident was the wheat crop.
- [NTSB CHI07TA241](https://openairdocs.org/ntsb/CHI07TA241.md): Christen Industries A-1 · Elm Springs, SD · Accident · Minor injuries · Final report · Jul 30, 2007 · N661FB · Substantial damage
  > The pilot not maintaining clearance from the rising terrain. A factor contributing to the accident was the rising terrain.
- [NTSB SEA07LA217](https://openairdocs.org/ntsb/SEA07LA217.md): Taylorcraft BF12 · West Linn, OR · Accident · 2 fatal · Limited investigation · Final report · Jul 28, 2007 · N13060 · Substantial damage
  > The corrosion, fatigue fracture, and subsequent separation of the left wing lift strut attachment fitting. Also causal was the inadequate maintenance and annual inspection by the owner/pilot/mechanic.
- [NTSB CHI07LA237](https://openairdocs.org/ntsb/CHI07LA237.md): Opus Motorsports BD02 · Dayton, OH · Accident · 1 fatal · Limited investigation · Final report · Jul 28, 2007 · N98MF · Substantial damage
  > The pilot not maintaining clearance from terrain during the aerobatic maneuver. Factors contributing to the accident were the pilot's restricted ability to see the terrain and the oil smoke present in the air show performer's box.
- [NTSB LAX07MA231](https://openairdocs.org/ntsb/LAX07MA231.md): Eurocopter AS350-B2 · Phoenix, AZ · Accident · 4 fatal · Class 1 · Major · Final report · Jul 27, 2007 · N613TV · 2 aircraft · Destroyed
  > Both pilots' failure to see and avoid the other helicopter. Contributing to this failure was the pilots' responsibility to perform reporting and visual tracking duties to support their station's ENG operation. Contributing to the accident was the lack of…
- [NTSB SEA07TA214](https://openairdocs.org/ntsb/SEA07TA214.md): Bell 214ST · McCall, ID · Accident · Serious injuries · Final report · Jul 26, 2007 · N724HT · Substantial damage
  > The pilot's inadequate planned approach that led to settling with power. Contributing to the accident was the external load becoming snagged in the water, and the high density altitude.
- [NTSB NYC07LA174](https://openairdocs.org/ntsb/NYC07LA174.md): Wolfe Titan · Surry, VA · Accident · 1 fatal · Limited investigation · Final report · Jul 24, 2007 · UNREG · Substantial damage
  > The pilot's failure to maintain aircraft control for undetermined reasons. Contributing to the accident was the pilot's lack of recent experience.
- [NTSB NYC07CA184](https://openairdocs.org/ntsb/NYC07CA184.md): Schweizer 269C · Ormond Beach, FL · Accident · Minor injuries · Data collection · Final report · Jul 23, 2007 · N171TA · Substantial damage
  > The certified flight instructor's delayed remedial action, which resulted in an in-flight collision with trees.
- [NTSB LAX07TA227](https://openairdocs.org/ntsb/LAX07TA227.md): Bell 205 A1++ · Happy Camp, CA · Accident · 1 fatal · Final report · Jul 23, 2007 · N205BR · Destroyed
  > the pilot's failure to maintain clearance with the trees during a long-line operation. Contributing factors were the Forest Service's inadequate communication between crews, failure to properly assess the safety of the intended drop zone, reduced visibility…
- [NTSB SEA07TA212](https://openairdocs.org/ntsb/SEA07TA212.md): Hughes 369D · Omak, WA · Accident · No injuries · Final report · Jul 22, 2007 · N69PF · Substantial damage
  > The pilot's failure to maintain clearance from the surface of a pond that he was using as a water bucket refill site, which resulted in a tail rotor strike to the water's surface and a torsional overload failure of the tail rotor drive shaft.
- [NTSB DEN07LA122](https://openairdocs.org/ntsb/DEN07LA122.md): Beech C-45H · Longmont, CO · Accident · Serious injuries · Limited investigation · Final report · Jul 19, 2007 · N9562Z · Destroyed
  > The instructor pilot's improper preflight in that he failed to close the rocker box recovery system drain valves, resulting in a total loss of lubricating oil and subsequent oil starvation to both engines. A contributing factor was the trees.
- [NTSB LAX07TA222](https://openairdocs.org/ntsb/LAX07TA222.md): Air Tractor AT-802A · Winnemucca, NV · Accident · Minor injuries · Final report · Jul 18, 2007 · N806MA · Destroyed
  > The pilot's failure to maintain clearance with terrain while maneuvering.
- [NTSB SEA07TA202](https://openairdocs.org/ntsb/SEA07TA202.md): Bell UH-1H · Benchmark, MT · Accident · Minor injuries · Final report · Jul 16, 2007 · N667HP · Substantial damage
  > Dense smoke/haze which restricted the pilot's visibility and the pilot's failure to maintain aircraft control during the emergency descent resulting in impact with terrain.
- [NTSB SEA07CA200](https://openairdocs.org/ntsb/SEA07CA200.md): Bell 206B II · Sheep Mountain, MT · Accident · Minor injuries · Data collection · Final report · Jul 16, 2007 · N164JS · Substantial damage
  > The external load net, attached directly to the cargo hook without the use of a long line, oscillated and made contact with the tail rotor system while maneuvering.
- [NTSB CHI07CA218](https://openairdocs.org/ntsb/CHI07CA218.md): Cessna 188A · New Hartford, MO · Accident · No injuries · Data collection · Final report · Jul 16, 2007 · N4412Q · Substantial damage
  > The pilot's failure to maintain clearance from the tree line during the turn between aerial application passes. The low altitude, the downdraft encountered by the pilot, and the trees were contributing factors.
- [NTSB CHI07LA208](https://openairdocs.org/ntsb/CHI07LA208.md): Air Tractor AT-301 · Osceola, IN · Accident · 1 fatal · Limited investigation · Final report · Jul 15, 2007 · N3158W · Substantial damage
  > The pilot's failure to maintain clearance with the trees during the aerial application flight. Factors associated with the accident were the trees and the pilot's lack of experience in flying aerial application flights.
- [NTSB CHI07CA209](https://openairdocs.org/ntsb/CHI07CA209.md): Air Tractor AT-301 · Lignite, ND · Accident · Serious injuries · Data collection · Final report · Jul 15, 2007 · N8841S · Substantial damage
  > The pilot's poor in-flight planning and failure to maintain control of the airplane when he encountered his own vortex turbulence at a low altitude.
- [NTSB LAX07FA219](https://openairdocs.org/ntsb/LAX07FA219.md): Piper PA-28-181 · El Cajon, CA · Accident · 2 fatal · Field investigation · Final report · Jul 14, 2007 · N38137 · Substantial damage
  > the pilot's inadequate in-flight decision to attempt low altitude flight operations into a box canyon in mountainous terrain, and his failure to maintain an adequate airspeed while maneuvering to reverse direction, which led to an accelerated stall and spin.
- [NTSB DFW07LA162](https://openairdocs.org/ntsb/DFW07LA162.md): Aerospatiale SA-315 · Stuart, OK · Accident · No injuries · Limited investigation · Final report · Jul 14, 2007 · N5770F · Substantial damage
  > The loss of engine power due to a clogged fuel tube. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI07LA207](https://openairdocs.org/ntsb/CHI07LA207.md): Weatherly 620B · Wyoming, IL · Accident · 1 fatal · Limited investigation · Final report · Jul 13, 2007 · N9026E · Substantial damage
  > The pilot's failure to maintain clearance with the power lines during the aerial application flight. Contributing to the accident were the power lines and the low altitude.
- [NTSB DFW07LA154](https://openairdocs.org/ntsb/DFW07LA154.md): Wsk-Pzl Mielic M-18A · Tunica, MS · Accident · Minor injuries · Limited investigation · Final report · Jul 11, 2007 · N4305T · Substantial damage
  > The loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB DFW07CA156](https://openairdocs.org/ntsb/DFW07CA156.md): Bell 47G-2A · Mercedes, TX · Accident · Minor injuries · Data collection · Final report · Jul 11, 2007 · N7878 · Substantial damage
  > The pilot's failure to maintain clearance from the power transmission line.
- [NTSB CHI07CA206](https://openairdocs.org/ntsb/CHI07CA206.md): Grumman G-164B · Alicia, AR · Accident · No injuries · Data collection · Final report · Jul 11, 2007 · N8066K · Substantial damage
  > A loss of engine power for undetermined reasons. Factors associated with the accident were the low altitude at which the loss of power occurred and the flooded rice field in which the airplane was landed.
- [NTSB LAX07TA208](https://openairdocs.org/ntsb/LAX07TA208.md): WSK PZL Mielec M-18A · Burns, OR · Accident · Minor injuries · Final report · Jul 8, 2007 · N92043 · Substantial damage
  > A loss of engine power for undetermined reasons. Contributing to the accident was the lack of suitable terrain for the forced landing.
- [NTSB DFW07LA152](https://openairdocs.org/ntsb/DFW07LA152.md): Air Tractor AT-400 · Delhi, LA · Accident · Serious injuries · Limited investigation · Final report · Jul 8, 2007 · N3164N · Substantial damage
  > the pilot's failure to maintain control of the airplane while practicing aerial application turns over a field.
- [NTSB DFW07CA151](https://openairdocs.org/ntsb/DFW07CA151.md): Air Tractor AT-402B · Eldorado, TX · Accident · No injuries · Data collection · Final report · Jul 7, 2007 · N712GS · Substantial damage
  > The loss of engine power as result of water contamination due to a faulty seal on the refuel tank port. A contributing factor was t he lack of suitable terrain for the forced landing.
- [NTSB CHI07TA201](https://openairdocs.org/ntsb/CHI07TA201.md): WSK PZL Mielec PZL M18B · Kyle, SD · Accident · Minor injuries · Final report · Jul 7, 2007 · N14067 · Substantial damage
  > The pilot's failure to maintain clearance from terrain during an aerial application maneuver. Contributing to the accident were wind gusts, low altitude, and the reported downdraft.
- [NTSB DFW07CA150](https://openairdocs.org/ntsb/DFW07CA150.md): Ayres S2R-G10 · Colorado City, TX · Accident · No injuries · Data collection · Final report · Jul 6, 2007 · N2254S · Substantial damage
  > The loss of engine power due to an oil leak. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB ANC07CA061](https://openairdocs.org/ntsb/ANC07CA061.md): Cessna 185F · Port Alsworth, AK · Accident · Minor injuries · Data collection · Final report · Jul 6, 2007 · N9464H · Substantial damage
  > The pilot's flight into adverse weather conditions, which resulted in an in-flight collision with terrain while maneuvering. A factor contributing to the accident was interference by the pilot-rated passenger.
- [NTSB CHI07LA193](https://openairdocs.org/ntsb/CHI07LA193.md): Hughes 369D · Comfrey, MN · Accident · No injuries · Limited investigation · Final report · Jul 5, 2007 · N500NC · Substantial damage
  > The loss of engine power due to the loose pressure line during aerial application maneuvers which resulted in a hard forced landing.
- [NTSB CHI07LA191](https://openairdocs.org/ntsb/CHI07LA191.md): Piper PA-22-135 · Johnson, NE · Accident · 1 fatal · Limited investigation · Final report · Jul 4, 2007 · N3737A · Substantial damage
  > The failure of the left wing's lift strut, which resulted in the separation of the left wing, and the subsequent airplane control not being possible. Factors were the overdue annual inspection, the overdue compliance with an Airworthiness Directive on the…
- [NTSB CHI07CA194](https://openairdocs.org/ntsb/CHI07CA194.md): Boeing N2S-3 · Trenton, MO · Accident · Minor injuries · Data collection · Final report · Jul 4, 2007 · N1178J · Substantial damage
  > The pilot's failure to maintain sufficient altitude/clearance above the water while maneuvering. A factor in the accident was the low altitude maneuver attempted by the pilot.
- [NTSB SEA07CA193](https://openairdocs.org/ntsb/SEA07CA193.md): Robinson R 22 Beta · Long Beach, CA · Accident · No injuries · Data collection · Final report · Jul 3, 2007 · N457SH · Substantial damage
  > The student pilot's improper use of the throttle and cyclic, and the certified flight instructor's inadequate supervision, which resulted in the collision with terrain.
- [NTSB DFW07LA148](https://openairdocs.org/ntsb/DFW07LA148.md): Air Tractor 301 · Lueders, TX · Accident · Serious injuries · Limited investigation · Final report · Jul 3, 2007 · N7305E · Destroyed
  > The pilot's failure to maintain airspeed which resulted in an inadvertent stall and subsequent impact with terrain.
- [NTSB CHI07LA198](https://openairdocs.org/ntsb/CHI07LA198.md): Ayres S2R-T15 · Marion, IN · Accident · No injuries · Limited investigation · Final report · Jul 2, 2007 · N3088K · Substantial damage
  > The loss of engine power for undetermined reasons during an aerial application. A contributing factor was the creek bed.
- [NTSB CHI07CA188](https://openairdocs.org/ntsb/CHI07CA188.md): Air Tractor AT-301 · Walkerville, IL · Accident · No injuries · Data collection · Final report · Jun 30, 2007 · N5230S · Destroyed
  > The altitude/clearance not maintained by the pilot during the aerial application flight. The corn was a contributing factor.
- [NTSB DFW07CA146](https://openairdocs.org/ntsb/DFW07CA146.md): Schweizer 269C · Slidell, LA · Accident · No injuries · Data collection · Final report · Jun 28, 2007 · N292B · Substantial damage
  > The pilot's encounter with settling with power condition while hovering out of ground effect. A contributing factor was the prevailing tailwind.
- [NTSB SEA07TA181](https://openairdocs.org/ntsb/SEA07TA181.md): McDonnell Douglas DC 10-10 · Tehachapi, CA · Accident · No injuries · Final report · Jun 26, 2007 · N450AX · Substantial damage
  > The captain's failure to maintain clearance from trees.

Next page: https://openairdocs.org/ntsb-phases/450/cases.md?page=77

## 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 = 450)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/450/cases?page=76

---
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.