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ANC91LA119 · Cessna 185F

10 Aug 1991 · ANGOON, AK, United States

Cessna 185F · Accident: partial loss of engine power (non-mechanical) on approach

From Petersburg James A Johnson Airport (PSG) to an unrecorded destination

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Event

NTSB case
ANC91LA119
Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
Accident
InvestigationHow far the investigation had got when the record was published: preliminary, ongoing, final or completed. Unknown where the source does not say. Glossary
Completed
API-reported fatalities
0 · all aircraft and ground
Ground fatalities
0
OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
Charter & commuter
WeatherVisual meteorological conditions (VMC): good enough to fly by looking outside. Instrument conditions (IMC): cloud or low visibility, flying by instruments. Glossary
Visual Meteorological Cond

Cessna 185F

Aircraft type
Cessna 185
Category
Airplane
RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
N715V
Operator
Douglas D. Riemer · private individual
Onboard fatalities
Unknown
Route
From Petersburg James A Johnson Airport (PSG), Petersburg, AKTo not recorded
Aircraft age
Not recorded
Flight rulesThe regulations the flight operated under: in the US, Part 91 (general aviation), Part 121 (airlines), Part 135 (air taxi and commuter) and others; for flights abroad, the NTSB's coarser commercial or non-commercial code. Glossary
Part 135: Air Taxi & Commuter
Phase of flightThe stage of the flight when things started to go wrong: standing, taxi, takeoff, initial climb, en route, maneuvering, approach or landing. Glossary
Approach
First occurrenceThe single coded event the NTSB judges best describes what happened (records from 2008 on). Older records name the first occurrence in the sequence instead. Glossary
Partial loss of engine power (non-mechanical)
DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
Destroyed

Cause areas

  • Pilot in command › Proper descent rate, not attained

Approximate · Coordinates as recorded by the NTSB; no uncertainty radius is established.

NTSB narrative

THE PILOT STATED THAT WHILE IN A LOW ALTITUDE STEEP DESCENDING TURN FROM BASE LEG TO FINAL APPROACH, THE FLAPS RETRACTED, AND THE ENGINE SEEMED TO SPUTTER. THE AIRPLANE LANDED HARD IN THE SHALLOW WATER, THEN RAN UP ON THE ROCKS AND NOSED OVER. A POST IMPACT FIRE DESTROYED THE AIRPLANE.

Probable cause

THE PILOT'S FAILURE TO MAINTAIN A PROPER DESCENT RATE. CONTRIBUTING TO THE ACCIDENT WAS PILOT'S INTENTIONAL ABRUPT MANEUVERING AT A LOW ALTITUDE AND THE FLAPS THAT RETRACTED A KNOTCH.

Verbatim NTSB analysis and probable cause from the NTSB dataset

Sources

NTSB record ANC91LA119
Event ID
20001212X17740
Case number
ANC91LA119
Dataset
historical-pre2008
Source SHA-256
89e2df6d848e7ab3b42e7d7c7a03ff403303057a26ca04c95b3ea67201c3ce74
Source notes (4)
  • Unreviewed is an editorial label, not an investigation status. API-sourced is not report-checked or human-reviewed. Explicit event totals are used without summing aircraft injury tables; onboard allocation is withheld. Unknown values remain unknown. The operation category is mapped from the NTSB-reported FAR part and has not been reviewed.
  • Filled from the NTSB case API where the bulk record had no value: investigation status. Values present in the bulk record are kept.
  • The date is the local date, which is the same as the UTC date the NTSB stores.
  • API snapshot SHA-256: 47f09d51ea0b82bf13b75ed4bfd13b122a55311cad9851f3371df6ec670bd04b; retrieved 2026-09-18T18:53:11.031Z.