# NTSB NYC81FNE31: Erco 415-D, N99436, Danbury, CT, September 12, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 12, 1981
- Place: Danbury, CT · DANBURY, CT
- Location: 41.3948° N, 73.4540° W: Placed by OpenAirDocs: center of Danbury, CT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.3948&lon=-73.4540&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report December 5, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 123504
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC81FNE31
- Page: https://openairdocs.org/ntsb/NYC81FNE31

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2852  81/9/12    DANBURY,CT          ERCO 415-D          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 43, 155
        TIME - 1930                    N99436              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - DANBURY
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          OXFORD,CT                   RETURN                       NEW YORK,NY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: OTHER
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- NR 2 CYL INTAKE VALVE,PN 641792,FAILED.
```

## Aircraft

- Registration: [N99436](https://openairdocs.org/deregistered/N99436-2013-05-31), registration cancelled 2013-05-31, S/N 2059, built 1946 (OpenAirDocs)
- Reported make and model: ERCO 415-D
- Registry model: [Engineering & Research 415-D](https://openairdocs.org/model/engineering-research-415-d) (registry code 0420306) (OpenAirDocs)
- Registry engine: [Continental A&C75 series](https://openairdocs.org/engine/continental-a-c75-series) (registry code 17005, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Danbury

## 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 19810912060279A](https://openairdocs.org/incident/19810912060279A), Sep 12, 1981: Univar 415D, Danbury, CT, Substantial damage. Aircraft crashed during emergency landing after engine malfunction.

## Other investigations on N99436 (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 ATL87LA090](https://openairdocs.org/ntsb/ATL87LA090), Mar 22, 1987: Ercoupe 415-D (N99436), Cottondale, AL, 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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