# NTSB ANC87LA015: Cessna 207A, N1763U, Manokotak, AK, November 19, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: November 19, 1986, 09:15 local (13:15 UTC)
- Place: Manokotak, AK
- Coordinates: 58.879886, -158.929901 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=58.8799&lon=-158.9299&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB office: Alaska Regional Office
- NTSB case key (mKey): 4808
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC87LA015
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/4808/pdf
- Page: https://openairdocs.org/ntsb/ANC87LA015

## Sequence of events

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

- Loss of control - on ground/water, takeoff - roll/run
  - aircraft handling - improper, pilot in command (cause)
  - improper use of procedure, pilot in command (contributing factor)
  - airspeed - not attained, pilot in command (cause)
  - lift-off - not attained, pilot in command (cause)
- On ground/water encounter with terrain/water, takeoff - roll/run

## Analysis

THE PILOT STATED THAT HE LOST DIRECTIONAL CONTROL OF THE AIRCRAFT ON THE TAKEOFF ROLL. THE AIRCRAFT EXITED THE DEPARTURE END OF THE RUNWAY INTO THE OPEN TUNDRA.

## Aircraft

- Registration: [N1763U](https://openairdocs.org/deregistered/N1763U-2018-01-11), registration cancelled 2018-01-11, S/N 20700363, built 1976 (OpenAirDocs)
- Reported make and model: CESSNA 207A
- Registry model: [Cessna 207A](https://openairdocs.org/model/cessna-207a) (registry code 2073604) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 20700363
- Airframe hours: 4500
- Engines: CONTINENTAL IO-520-F9 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 135
- Registered owner: Manokotak Airways, Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, August 27, 1986, 100 hours before
- Destination: DLG, DILLINGHAM, AK
- Flight plan: Company VFR
- Airport: 17Z, Manokotak, runway 2, 2,000 × 80 ft, gravel

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 50; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 4,500 total, 3,000 in this make and model, 4,300 as pilot in command, 200 in the last 90 days, 100 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 20° at 4 knots
- Visibility: 25 statute miles
- Lowest ceiling: none
- Temperature: 19 °F, dew point 10 °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 19861119063939A](https://openairdocs.org/incident/19861119063939A), Nov 19, 1986: Cessna 207A, Manokotak, AK, Substantial damage. Pilot lost control and ran off the end of the runway. No engine malfunctions found.

## Other investigations on N1763U (4)

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 ANC98LA099](https://openairdocs.org/ntsb/ANC98LA099), Jul 17, 1998: Cessna 207 (N1763U), King Salmon, AK, substantial damage. Probable cause: The disconnection of the mixture control cable from the mixture control arm. Factors associated with this accident were the inadequate 100 hour inspections performed by company mechanics.
- [NTSB ANC93LA072](https://openairdocs.org/ntsb/ANC93LA072), May 29, 1993: Cessna 207 (N1763U), Bethel, AK, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN CONTROL OF THE AIRPLANE DURING LANDING.
- [NTSB ANC88LA146](https://openairdocs.org/ntsb/ANC88LA146), Sep 22, 1988: Cessna 207A (N1763U), New Koliganek, AK, substantial damage
- [NTSB FTW78FRD47](https://openairdocs.org/ntsb/FTW78FRD47-196844), May 26, 1978: Cessna 207A (N1763U), Brownsville, TX, substantial damage

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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