# NTSB NYC84FA081: Cessna 402, N6814G, Jaffrey, NH, February 3, 1984

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: February 3, 1984, 15:00 local (20:00 UTC)
- Place: Jaffrey, NH
- Location: 42.8114° N, 72.0234° W: Placed by OpenAirDocs: center of Jaffrey, NH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.8114&lon=-72.0234&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 35315
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC84FA081
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/35315/pdf
- Page: https://openairdocs.org/ntsb/NYC84FA081

## 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 - clouds (contributing factor)
  - descent - initiated, pilot in command
  - weather condition - low ceiling (contributing factor)
- In flight collision with terrain/water, maneuvering
  - light condition - dusk (contributing factor)
  - in-flight planning/decision - improper, pilot in command (cause)
  - visual/aural detection, pilot in command (contributing factor)
  - terrain condition - high terrain (contributing factor)
  - proper altitude - not maintained, pilot in command (cause)
  - terrain condition - mountainous/hilly (contributing factor)
  - terrain condition - snow covered (contributing factor)

## Analysis

THE PLT HAD FILED AN IFR FLT PLAN; HOWEVER, HE TOOK OFF IN VFR CONDITIONS & DID NOT ACTIVATE THE FLT PLAN.  RADAR DATA SHOWED THAT THE LATTER PART OF THE FLT WAS FLOWN AT 6300 FT, THEN AT 1712:39 EST, A DESCENT WAS BEGUN. ONE MINUTE LATER, THE FLT WAS LAST RECORDED AT 3700 FT. SUBSEQUENTLY, THE ACFT CRASHED NEAR THE TOP OF A 3165 FT MOUNTAIN. THE ELEVATION OF THE CRASH SITE WAS ABOUT 3000 FT. THE TERRAIN WAS ROCKY & COVERED WITH ICE & SNOW WHEN THE INVESTIGATORS ARRIVED AT THE CRASH SITE. APRX 8 MI WEST-NORTHWEST AT KEENE, NH, THE 1755 EST WX WAS, IN PART, 3200 FT BROKEN, 5500 FT OVERCAST, VISIBILITY 10 MI, WIND FROM 130 DEG AT 10 KTS. THE ELEVATION OF THE DILLANT-HOPKINS ARPT AT KEENE WAS 487 FT.

## Aircraft

- Registration: [N6814G](https://openairdocs.org/deregistered/N6814G-1993-05-13), registration cancelled 1993-05-13, S/N 402C0647 (OpenAirDocs)
- Reported make and model: CESSNA 402
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (registry code 207590R) (OpenAirDocs)
- Category: Airplane
- Serial number: 402C0647
- Airframe hours: 368
- Engines: CONTINENTAL TSIO-520-VB 310 horsepower reciprocating
- Damage: Destroyed
- Flight: Business, Part 91
- Registered owner: Tartan Leasing Corp.
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, November 16, 1983, 83 hours before
- Departed: CON, CONCORD, NH
- Destination: MMU, MORRISTOWN, NJ
- Flight plan: IFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 37; airline transport; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; toxicology performed; flight hours: 4,300 total, 3,700 in this make and model, 4,300 as pilot in command, 100 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Dusk
- Wind: 130° at 10 knots
- Visibility: 10 statute miles
- Temperature: 43 °F
- Altimeter: 29.00 inHg
- Observed at: EEN, 8 nm away

## 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 19840203076279A](https://openairdocs.org/incident/19840203076279A), Feb 3, 1984: Cessna 402C, Jaffrey, NH, Destroyed. Aircraft descended at 3000 feet per minute, impacted side of mountain. Cause is undetermined.

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.

---
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.