# NTSB LAX87DJA02: Cessna 172N, N6184D, Honolulu, HI, November 7, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: November 6, 1986, 19:20 local (Nov 7, 1986, 05:20 UTC)
- Place: Honolulu, HI
- Coordinates: 21.349605, -157.879806 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=21.3496&lon=-157.8798&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 25288
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX87DJA02
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25288/pdf
- Page: https://openairdocs.org/ntsb/LAX87DJA02

## Sequence of events

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

- Loss of engine power, approach - faf/outer marker to threshold (ifr)
  - weather condition - carburetor icing conditions (contributing factor)
  - weather evaluation - disregarded, pilot in command (contributing factor)
  - supervision - inattentive, pilot in command(cfi) (cause)
- Forced landing, descent - emergency
  - light condition - night (contributing factor)
- Ditching, landing - flare/touchdown
  - terrain condition - water,glassy

## Analysis

THE ACFT EXPERIENCED A LOSS OF ENGINE POWER WHILE DESCENDING DURING A PRACTICE INSTRUMENT APCH. THE TEMPERATURE WAS 81 DEGREES (F) WITH THE DEW POINT OF 71 DEGREES (F). ACCORDING TO THE ICING PROBABILITY CHART, THERE IS A POSSIBILITY OF SERIOUS CARBURETOR ICING AT GLIDE POWER UNDER THOSE CONDITIONS. BOTH PILOTS REPORTED NO OTHER MECHANICAL FAILURE OR MALFUNCTION WITH THE ENGINE PRIOR TO THE LOSS OF POWER.

## Aircraft

- Registration: N6184D (not matched to a registry record)
- Reported make and model: CESSNA 172N
- Category: Airplane
- Serial number: 17272619
- Airframe hours: 2309
- Engines: LYCOMING O-320-D2J 160 horsepower reciprocating
- Damage: Destroyed
- Flight: Instructional, Part 91
- Operator: Hawaii Country Club Of The Air
- Registered owner: Hutchison Auto & Air Transport
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, October 14, 1986, 46 hours before
- Departed: HNL, HONOLULU, HI
- Destination: HNL, HONOLULU, HI
- Airport: HNL, Honolulu Intl.

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 40; commercial; airplane ratings: multi-engine land, single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 430 total, 15 in this make and model, 370 as pilot in command, 15 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Night/dark
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 81 °F, dew point 72 °F
- Altimeter: 29.00 inHg
- Observed at: HNL, 2 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 19861106074729A](https://openairdocs.org/incident/19861106074729A), Nov 6, 1986: Cessna 172N, Honolulu, HI, Destroyed. Engine lost power on final and the aircraft was ditched. The aircraft was not recovered. Carburetor ice suspected.

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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