# NTSB investigations, NH: 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 1 of 2 · 52 cases

## Latest cases

- [NTSB ERA26LA070](https://openairdocs.org/ntsb/ERA26LA070.md): Holtaway Robert F Velocity V-TWIN · Nashua, NH · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Dec 17, 2025 · N22EU · Substantial damage
  > On December 17, 2025, at 1410 eastern standard time, an experimental amateur-built Velocity V-Twin airplane, N22EU, was substantially damaged when it was involved in an accident near Nashua, New Hampshire. The pilot received minor injuries. The airplane was…
- [NTSB ERA25LA287](https://openairdocs.org/ntsb/ERA25LA287.md): Grob-Werke Twin Astir · Franconia, NH · Accident · No injuries · Class 4 · Limited · Final report · Jul 24, 2025 · N103GV · Substantial damage
  > The pilot’s failure to detect the inadvertent deployment of the spoilers, which resulted in a prolonged, excessive descent rate. Contributing to the accident was the pilot’s decision to conduct a downwind approach versus a straight in approach to the…
- [NTSB ERA25LA237](https://openairdocs.org/ntsb/ERA25LA237.md): Gyro Technic GT-VX2 · Swanzey, NH · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 23, 2025 · N62XF · Substantial damage
  > The pilot’s failure to maintain rotor rpm of the gyroplane during a low approach, while distracted by other aircraft in the airport traffic pattern, which resulted in the pilot’s decision to perform an off-runway landing.
- [NTSB ERA24LA291](https://openairdocs.org/ntsb/ERA24LA291.md): Burkhart Grob Flugzeugbau G102 Astir CS · Benton, NH · Accident · No injuries · Class 4 · Limited · Final report · Jun 2, 2024 · N152SS · Substantial damage
  > An encounter with atmospheric conditions where the lift was not sufficient to maintain flight, resulting in collision with trees.
- [NTSB ERA24FA097](https://openairdocs.org/ntsb/ERA24FA097.md): Beech C99 · Londonderry, NH · Accident · Serious injuries · Class 3 · Field · Final report · Jan 26, 2024 · N53RP · Substantial damage
  > The pilot’s failure to ensure that the cockpit door was secured before flight, which resulted in its separation during initial climb and a subsequent loss of control.
- [NTSB ERA22LA283](https://openairdocs.org/ntsb/ERA22LA283.md): Piper PA-18A · Charlestown, NH · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 22, 2022 · N1927A · Substantial damage
  > The pilot’s failure to see and avoid power lines while maneuvering at low altitude.
- [NTSB ERA18LA204](https://openairdocs.org/ntsb/ERA18LA204.md): Progressive Aerodyne Searey · Haverhill, NH · Accident · Serious injuries · Limited investigation · Final report · Jul 29, 2018 · N221EZ · Substantial damage
  > The pilot's failure to maintain clearance from trees while maneuvering the airplane at a very low altitude in a confined area while attempting to land on a river.
- [NTSB ERA16CA197](https://openairdocs.org/ntsb/ERA16CA197.md): American Champion 7GCBC · Warner, NH · Accident · Serious injuries · Data collection · Final report · May 29, 2016 · N80RK · Substantial damage
  > An encounter with instrument meteorological conditions, which resulted in the pilot's spatial disorientation and a loss of airplane control.
- [NTSB ERA15LA339](https://openairdocs.org/ntsb/ERA15LA339.md): Evolution Revo · Laconia, NH · Accident · 1 fatal · Limited investigation · Final report · Sep 5, 2015 · N2264X · Substantial damage
  > The sport pilot’s improper decision to operate the weight-shift-control aircraft at low altitude and his subsequent failure to maintain control of the aircraft, which resulted in a subsequent collision with terrain.
- [NTSB ERA09CA177](https://openairdocs.org/ntsb/ERA09CA177.md): HI-Max 1700R · Windham, NH · Accident · Serious injuries · Data collection · Final report · Feb 17, 2009 · UNREG · Substantial damage
  > The non-certificated pilot's failure to maintain clearance from houses while flying an unregistered experimental, amateur-built airplane.
- [NTSB NYC08CA068](https://openairdocs.org/ntsb/NYC08CA068.md): Cessna 170B · Alton, NH · Accident · No injuries · Data collection · Final report · Dec 22, 2007 · N3070A · Substantial damage
  > The pilot's failure to maintain clearance above a frozen lake while maneuvering. Factors contributing to the accident were the pilot's attempt of the low altitude maneuver, and unfavorable lighting conditions.
- [NTSB NYC08CA032](https://openairdocs.org/ntsb/NYC08CA032.md): Brand, Richard Bateleur 2000 · West Ossipee, NH · Accident · No injuries · Data collection · Final report · Nov 11, 2007 · N38PC · Destroyed
  > The pilot's failure to maintain aircraft control, while practicing aerobatics.
- [NTSB NYC07CA103](https://openairdocs.org/ntsb/NYC07CA103.md): Champion 7ECA · Nashua, NH · Accident · No injuries · Data collection · Final report · Apr 23, 2007 · N6341N · Substantial damage
  > The pilot's misjudged altitude while maneuvering for a banner pickup, which resulted in the banner rope becoming entangled in the airplane's landing gear, and a hard landing, during the ensuing emergency off airport landing.
- [NTSB NYC07LA030](https://openairdocs.org/ntsb/NYC07LA030.md): Stump Rotorway Exec 90 · Manchester, NH · Accident · No injuries · Limited investigation · Final report · Nov 18, 2006 · N169JS · Substantial damage
  > An improperly installed oil line, which resulted in oil line fatigue failure and a subsequent loss of oil to the engine. A contributing factor was the sloping terrain at the forced landing site.
- [NTSB NYC06CA041](https://openairdocs.org/ntsb/NYC06CA041.md): Robinson R-22B · Rochester, NH · Accident · No injuries · Data collection · Final report · Dec 3, 2005 · N40CP · Substantial damage
  > The flight instructor's failure to maintain adequate clearance while providing hovering instruction, which resulted in tail rotor ground contact. A factor in this accident was the gusty wind conditions.
- [NTSB IAD05LA108](https://openairdocs.org/ntsb/IAD05LA108.md): Robinson R22 · Nashua, NH · Accident · No injuries · Limited investigation · Final report · Jul 22, 2005 · N8041J · Substantial damage
  > The flight instructor's failure to maintain aircraft control during a introductory flight and his inadequate remedial actions.
- [NTSB NYC02FA196](https://openairdocs.org/ntsb/NYC02FA196.md): Piper PA-30 · Gilford, NH · Accident · 2 fatal · Field investigation · Final report · Sep 25, 2002 · N7106Y · Destroyed
  > The flight instructor's failure to maintain airplane control, which resulted in an uncontrolled collision with water.
- [NTSB IAD01LA100](https://openairdocs.org/ntsb/IAD01LA100.md): Socata TB-20 · Amherst, NH · Accident · 1 fatal · Limited investigation · Final report · Aug 25, 2001 · N470SP · Destroyed
  > Suicide, when the pilot intentionally crashed his airplane into his house.
- [NTSB NYC00LA113](https://openairdocs.org/ntsb/NYC00LA113.md): Piper J3C-65 · Lanconia, NH · Accident · 1 fatal · Limited investigation · Final report · Apr 15, 2000 · N42383 · Substantial damage
  > The pilot's failure to maintain airspeed, which resulted in an inadvertent stall.
- [NTSB NYC00LA084](https://openairdocs.org/ntsb/NYC00LA084.md): Piper PA-28-181 · Center Harbor, NH · Accident · Minor injuries · Limited investigation · Final report · Feb 22, 2000 · N8366N · Substantial damage
  > The pilot-in-command attempted a low pass and misjudged his altitude.
- [NTSB NYC00LA022](https://openairdocs.org/ntsb/NYC00LA022.md): Godbout Exec 162F · Milan, NH · Accident · 1 fatal · Limited investigation · Final report · Oct 30, 1999 · N228CH · Destroyed
  > The pilot's failure to maintain proper rotor rpm while maneuvering, which resulted in main rotor blade flapping, and its subsequent impact with the tail boom. A factor was the pilot's lack of experience in maneuvering flight.
- [NTSB IAD96LA073](https://openairdocs.org/ntsb/IAD96LA073.md): Taylorcraft BCS-65 · Wolfeboro, NH · Accident · Minor injuries · Limited investigation · Final report · May 9, 1996 · N29591 · Substantial damage
  > the pilot's failure to maintain control and altitude of the seaplane while circling to draw attention before landing on the lake. A related factor was that the aircraft was not equipped with a radio.
- [NTSB NYC94LA155](https://openairdocs.org/ntsb/NYC94LA155.md): Rolladen-Schneider LS-4A · Cannan, NH · Accident · No injuries · Limited investigation · Final report · Aug 7, 1994 · N245JD · Substantial damage
  > The pilot's failure to maintain airspeed which resulted in an inadvertent stall and inflight collision with terrain. Factors were a loss of lift and the pilot's in-flight decision to maneuver too close to the ridge.
- [NTSB NYC94LA108](https://openairdocs.org/ntsb/NYC94LA108.md): Cessna 172N · Bristol, NH · Accident · Minor injuries · Limited investigation · Final report · Jul 2, 1994 · N734TU · Substantial damage
  > the failure of maintenance personnel to remove an object from the carburetor heat duct during annual inspection which blocked induction air and resulted in the loss of engine power, and the subsequent collision with the terrain during a forced landing.
- [NTSB NYC94LA073](https://openairdocs.org/ntsb/NYC94LA073.md): Burkhart Grob G109B · Nashua, NH · Accident · Minor injuries · Limited investigation · Final report · Mar 25, 1994 · N403DW · Substantial damage
  > The certified flight instructor's delay in taking remedial action, which resulted in the motor-glider colliding with trees.
- [NTSB BFO93FA135](https://openairdocs.org/ntsb/BFO93FA135.md): Krowell Christen Eagle II · Lebanon, NH · Accident · 2 fatal · Field investigation · Final report · Jul 24, 1993 · N90BC · Destroyed
  > Inadequate crew/group coordination.
- [NTSB NYC93FA127](https://openairdocs.org/ntsb/NYC93FA127.md): Boeing Stearman PT-17 · Concord, NH · Accident · 2 fatal · Field investigation · Final report · Jun 26, 1993 · N58212 · Destroyed
  > Loss of airplane control as the result of incapacitation.
- [NTSB NYC92LA121](https://openairdocs.org/ntsb/NYC92LA121.md): Bellanca 7GCBC · Bedford, NH · Accident · Serious injuries · Limited investigation · Final report · Jun 19, 1992 · N8736V · Substantial damage
  > Physical impairment of the pilot as the result of alcohol consumption, resulting in his failure or inability to maintain control of the airplane. Factors which contributed to the accident were: the pilot's poor judgement in buzzing residences and his failure…
- [NTSB NYC91LA177](https://openairdocs.org/ntsb/NYC91LA177.md): Cessna L-19 · Franconia, NH · Accident · No injuries · Limited investigation · Final report · Jul 9, 1991 · N5237G · Destroyed
  > The failure of the pilot to maintain airspeed, which resulted in a stall/spin and in flight collision with trees. Factors related to the accident were the improper in-flight planning by the pilot and the pilot's failure to compensate for winds and downdraft.
- [NTSB NYC91LA141](https://openairdocs.org/ntsb/NYC91LA141.md): Champion 7KCAB · Ossipee, NH · Accident · Minor injuries · Limited investigation · Final report · May 25, 1991 · N6342N · Substantial damage
  > An inadequate annual inspection by the mechanic which resulted in the inflight failure of the elevator control cable.
- [NTSB NYC91FA060](https://openairdocs.org/ntsb/NYC91FA060.md): Mooney M20J · Brookline, NH · Accident · 2 fatal · Field investigation · Final report · Jan 17, 1991 · N804DW · Destroyed
  > The failure of the flight instructor (CFI) to attain remedial action after control of the airplane was lost for an unknown reason.
- [NTSB NYC89FA003](https://openairdocs.org/ntsb/NYC89FA003.md): Aeronca 11AC · Barnstead, NH · Accident · Serious injuries · Field investigation · Final report · Oct 3, 1988 · N9569E · Destroyed
  > The Aeronca 11AC was maneuvering downwind for landing. The pilot made a left turn towards the runway to tighten the pattern. While in close proximity to a house and the runway, at a low altitude the pilot elected to make a steep left 270 degree turn, opposite…
- [NTSB NYC88LA177](https://openairdocs.org/ntsb/NYC88LA177.md): Bellanca 7GCBC · Laconia, NH · Accident · Minor injuries · Limited investigation · Final report · Jul 2, 1988 · N5041J · Substantial damage
  > The plt stated that after pickup on a banner tow operation, the tow became twisted and he elected to return and release. On downwind, the acft began a rapid descent which the plt could not compensate for, even after releasing the banner and adding power.…
- [NTSB NYC87LA069](https://openairdocs.org/ntsb/NYC87LA069.md): Hughes 269D · Antrim, NH · Accident · No injuries · Limited investigation · Final report · Jan 28, 1987 · N3624J · Substantial damage
  > During a practice hover, the pilot lost directional control and the helicopter pitched up at an angle of about 20-25 degrees causing the tail rotor to contact the snow. The aircraft was substantially damaged, but there were no injuries. The CFI stated that…
- [NTSB NYC86LA239](https://openairdocs.org/ntsb/NYC86LA239.md): Hiller UH12C · E.Conway, NH · Accident · No injuries · Limited investigation · Final report · Sep 22, 1986 · N73876 · Substantial damage
  > Pilot lost control of the helicopter while at hover then decided to land. However the pilot set the aircraft down hard. The main rotor blade severed the tail.
- [NTSB NYC86FNC09](https://openairdocs.org/ntsb/NYC86FNC09.md): Cessna 205 · Twin Mountain, NH · Accident · Minor injuries · Final report · Sep 20, 1986 · N27WD · Substantial damage
  > During a 'bomb drop' contest at an organized 'fly-in', the pilot was maneuvering at low airspeed so his passenger could drop a water-filled balloon on a target which had been placed on runway 27. The acft suddenly banked to the right and pitched down striking…
- [NTSB ATL86FA240](https://openairdocs.org/ntsb/ATL86FA240.md): Piper PA-28-161 · Hampton, NH · Accident · 2 fatal · Field investigation · Final report · Sep 1, 1986 · N8285C · Destroyed
  > The acft was flying at low alt in the vicinity of interstate I-95 when the plt made a 360 deg, rgt turn. After the turn, the acft collided with pwr lines, which crossed I-95, then crashed & burned. A witness estimated the acft had dscndd to about 35 to 50 ft…
- [NTSB NYC86FNC08](https://openairdocs.org/ntsb/NYC86FNC08.md): Champion 7HC · Epsom, NH · Accident · 2 fatal · Final report · Aug 16, 1986 · N8937R · Destroyed
  > A student pilot and passenger on a local flight collided with a tree, crashed and burned. No malfunction was found with the aircraft and engine. The plts flt time was not reported or available.
- [NTSB NYC86FNC03](https://openairdocs.org/ntsb/NYC86FNC03.md): Piper J-3 · Milan, NH · Accident · 1 fatal · Final report · May 25, 1986 · N6498H · Destroyed
  > The pilot was flying a 'drunken farmer' routine at a airshow. He was observed in the air to begin a descent from which he did not recover. The pilot was fatally injured in the crash and the aircraft destroyed. No mechanical or physical reason for the crash…
- [NTSB NYC86LA061](https://openairdocs.org/ntsb/NYC86LA061.md): Bell 47J2A · Atkinson, NH · Accident · No injuries · Limited investigation · Final report · Jan 13, 1986 · N888EN · Destroyed
  > Pilot stated he was attempting to position the Bell 47 helicopter on a small pad. This pad was too narrow to accommodate this acft and the right skid slipped off the platform. The pilot then requested his passenger to deplane. After the pilot determined that…
- [NTSB NYC84FA306](https://openairdocs.org/ntsb/NYC84FA306.md): Bellanca 8GCBC · Wilmot, NH · Accident · 2 fatal · Field investigation · Final report · Sep 8, 1984 · N86859 · Destroyed
  > Witnesses saw a rt wing section separate when the acft was in a loop. The acft descended and crashed afterwards. The investigation disclosed the pilot had previous aerobatic experience in gliders. No records were disclosed revealing pilot flight time in…
- [NTSB NYC83FA221](https://openairdocs.org/ntsb/NYC83FA221.md): Robinson R-22 · Nashua, NH · Accident · Serious injuries · Field investigation · Final report · Aug 23, 1983 · N9078Z · Substantial damage
  > As the instructor watched the third liftoff from in front of the hangar, he observed the helicopter lift off the ground rapidly, its nose swinging quickly to the right as it did. During the yaw, the helicopter lost altitude rapidly until the right skid hit…
- [NTSB NYC83FNC04](https://openairdocs.org/ntsb/NYC83FNC04.md): Mcdonald Steen Skybolt · Milan, NH · Accident · Serious injuries · Final report · Jun 2, 1983 · N98JP · Substantial damage
  > The purpose of the flt was preparation of an act for some planned air shows. The pilot maneuvered the acft into an inverted spin at an alt of 2000 AGL. After 3 revolutions of the spin he was unable to recover and the acft impacted the ground inverted.
- [NTSB NYC82FNC06](https://openairdocs.org/ntsb/NYC82FNC06.md): Cessna 172 · Hampstead, NH · Accident · 1 fatal · Final report · Apr 2, 1982 · N21869 · Destroyed
  > Several witnesses observed the plane circling at low altitude before it crashed. A friend of the pilot reported that thepilot waved, gunned his engine a couple of times and waggled his tail. Witnesses stated that after making several circles at an altitude of…
- [NTSB NYC79FA091](https://openairdocs.org/ntsb/NYC79FA091.md): Piper PA-28 · Charlestown, NH · Accident · 3 fatal · Closed · Sep 9, 1979 · N159TA · Destroyed
- [NTSB NYC72FNC13](https://openairdocs.org/ntsb/NYC72FNC13.md): Cessna 182 · Penacook, NH · Accident · No injuries · Closed · Oct 27, 1971 · N8480S · Substantial damage
- [NTSB NYC71DFG10](https://openairdocs.org/ntsb/NYC71DFG10.md): Cessna 140 · Pelham, NH · Accident · No injuries · Closed · Jan 27, 1971 · N2434N · Substantial damage
- [NTSB NYC69F0144](https://openairdocs.org/ntsb/NYC69F0144.md): Cessna 150E · Freedom, NH · Accident · 1 fatal · Closed · Aug 17, 1968 · N631MA · Destroyed
- [NTSB NYC68A0099](https://openairdocs.org/ntsb/NYC68A0099.md): Cessna 172H · New Boston, NH · Accident · 2 fatal · Closed · Feb 14, 1968 · N3730F · Destroyed
- [NTSB NYC68A0030](https://openairdocs.org/ntsb/NYC68A0030.md): Bell 47G-5 · Kingston, NH · Accident · 1 fatal · Closed · Aug 22, 1967 · N8592F · Destroyed

Next page: https://openairdocs.org/ntsb-phases/450/cases.md?state=NH&page=2

## 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."eventStateOrRegion" = 'NH' AND c."eventCountry" = 'USA'
  AND 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?state=NH

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