# NTSB NYC84LA014: Schweizer SGS 1-34, N7629, North Conway, NH, October 27, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: October 27, 1983, 13:00 local (17:00 UTC)
- Place: North Conway, NH
- Location: 44.0357° N, 71.1172° W: Placed by OpenAirDocs: center of North Conway, NH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.0357&lon=-71.1172&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 35457
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC84LA014
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/35457/pdf
- Page: https://openairdocs.org/ntsb/NYC84LA014

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- In flight encounter with weather, cruise - normal
  - weather condition - downdraft (cause)
  - compensation for wind conditions - not possible, pilot in command (cause)
- In flight collision with object, descent - uncontrolled
  - object - tree(s)

## Analysis

ACCORDING TO THE PILOT, THE GLIDER WAS TOWED TO 2000 FEET AND RELEASED, IN LIFT. FLT WAS IN LIFT FOR ABOUT 30 MINUTES WHEN A STRONG SINK WAS SUDDENLY ENCOUNTERED. THE GLIDER CRASHED INTO TREES.

## Aircraft

- Registration: [N7629](https://openairdocs.org/deregistered/N7629-2013-02-26), registration cancelled 2013-02-26, S/N 9, built 1970 (OpenAirDocs)
- Reported make and model: SCHWEIZER SGS 1-34
- Registry model: [Schweizer SGS 1-34](https://openairdocs.org/model/schweizer-sgs-1-34) (registry code 8050146) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Serial number: 9
- Airframe hours: 673
- Engines: unknown
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Aero Club Albatross, Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, September 2, 1983
- Departed: CWN, NO. CONWAY, NH
- Flight plan: Unknown
- Airport: CWN, White Mountain, runway 33, 3,000 × 70 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 30; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: front; flight hours: 338 total, 35 in this make and model, 260 as pilot in command, 8 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 320° at 10 knots, gusting 15
- Visibility: 10 statute miles
- Temperature: 45 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19831027057939A](https://openairdocs.org/incident/19831027057939A), Oct 27, 1983: Scwzer SGS134, North Conway, NH, Substantial damage. During ridge soaring flight, glider lost lift and crashed into trees in mountainous area.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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