# NTSB ANC85LA057: Curtiss C-46R, N7848B, Nulato, AK, March 14, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 14, 1985, 14:55 local (18:55 UTC)
- Place: Nulato, AK
- Coordinates: 64.720397, -158.109085 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=64.7204&lon=-158.1091&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4472
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC85LA057
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4472/pdf
- Page: https://openairdocs.org/ntsb/ANC85LA057

## Sequence of events

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

- Overrun, landing - roll
  - airport facilities,runway/landing area condition - snow covered (contributing factor)
  - judgment - poor, pilot in command (cause)
  - brakes(normal) - inadequate, pilot in command (cause)
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - snowbank

## Analysis

THE ACFT CONTINUED OFF THE END OF THE RWY AND CONTACTED A SNOW BERM DURING THE LANDING ROLL. THE PLT REPORTED THE RWY BRAKING ACTION AS POOR.

## Aircraft

- Registration: [N7848B](https://openairdocs.org/aircraft/N7848B), registered now, S/N 273, built 1942 (OpenAirDocs)
- Reported make and model: CURTISS C-46R
- Registry model: [Curtiss Wright C-46R](https://openairdocs.org/model/curtiss-wright-c-46r) (registry code 2622710) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-2800 series](https://openairdocs.org/engine/pratt-whitney-r-2800-series) (registry code 52026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 273
- Airframe hours: 2803
- Engines: P&W R-2800/97 2000 horsepower reciprocating
- Damage: Substantial damage
- Flight: Business, Part 91
- Registered owner: Clifford R. Everts
- Airworthiness certificate: Standard, Transport
- Last inspection: Annual, January 6, 1985, 76 hours before
- Departed: FAI, FAIRBANKS, AK
- Airport: NUL, Nulato, runway 2, 3,000 × 80 ft, gravel

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: left; flight hours: 14,700 total, 1,200 in this make and model, 14,700 as pilot in command, 60 in the last 90 days, 30 in the last 30 days, 5 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 40 statute miles
- Lowest ceiling: none
- Temperature: 27 °F, dew point 18 °F
- Altimeter: 29.00 inHg

## Other investigations on N7848B (1)

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.

- [NTSB ANC24LA066](https://openairdocs.org/ntsb/ANC24LA066), Jul 11, 2024: Curtiss Wright C-46R (N7848B), Kenai, AK, substantial damage. Probable cause: An in-flight collision with birds during takeoff.

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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