# NTSB ANC88LA007: Cessna 170, N1311D, King Salmon, AK, October 12, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: October 12, 1987, 09:30 local (17:30 UTC)
- Place: King Salmon, AK
- Coordinates: 58.749519, -156.539337 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=58.7495&lon=-156.5393&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report August 2, 1988
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4969
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC88LA007
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4969/pdf
- Page: https://openairdocs.org/ntsb/ANC88LA007

## Sequence of events

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

- Overrun, takeoff
  - aircraft preflight - improper, pilot in command (cause)
  - ice/frost removal from aircraft - not attained, pilot in command (cause)
  - airspeed - not obtained, pilot in command (cause)
  - lift-off - premature
  - climb - not possible
- On ground/water encounter with terrain/water, takeoff
  - terrain condition - dirt bank/rising embankment (contributing factor)

## Analysis

THE PLT RPRTD THERE WAS FROST ON THE ACFT & THAT A ROPE HAD BEEN USED TO SMOOTH IT OFF. HE THEN INITIATED A TAKEOFF FROM A DRY LAKE BED. AFTER LIFT-OFF, THE ACFT SETTLED BACK TO THE GROUND & STRUCK A BERM AT THE END OF THE TAKEOFF AREA.

## Aircraft

- Registration: [N1311D](https://openairdocs.org/aircraft/N1311D), registered now, S/N 19887, built 1951 (OpenAirDocs)
- Reported make and model: CESSNA 170
- Registry model: [Cessna 170A](https://openairdocs.org/model/cessna-170a) (registry code 2072304) (OpenAirDocs)
- Registry engine: [Continental C145 series](https://openairdocs.org/engine/continental-c145-series) (registry code 17012, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 19889
- Engines: LYCOMING O-300 145 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Ronald Gilson
- Airworthiness certificate: Standard, Normal

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; commercial, private, flight instructor; airplane ratings: single-engine land; instrument ratings: helicopter, airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 2,498 total, 615 in this make and model, 2,411 as pilot in command, 110 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 25 °F, dew point 21 °F
- Altimeter: 29.00 inHg

## 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 19871012059239A](https://openairdocs.org/incident/19871012059239A), Oct 12, 1987: Cessna 170A, King Salmon, AK, Substantial damage. The aircraft failed to climb after takeoff and hit a berm during abort. Frost on the wings was inadequately cleared

## Other investigations on N1311D (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 GAA16CA324](https://openairdocs.org/ntsb/GAA16CA324), Jun 17, 2016: Cessna 170 (N1311D), Palmer, AK, substantial damage. Probable cause: The pilot's failure to maintain a wings-level attitude during takeoff in gusty wind conditions, which resulted in the right wing striking the ground, a loss of lateral bank control, and a nose over…

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.