# NTSB NYC78FNC04: Republic UC1, N9506U, Harbor, ME, October 14, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 14, 1977
- Place: Harbor, ME · HARBOR, ME
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report December 14, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 144525
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC78FNC04
- Page: https://openairdocs.org/ntsb/NYC78FNC04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3472  77/10/14 NR.HARBOR,ME          REPUBLIC UC1        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 47, 6000
        TIME - 1430                    N9506U              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 1355 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - DUCK ISLAND
        DEPARTURE POINT             INTENDED DESTINATION
          BAR HARBOR,ME              HARBOR,ME
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: AIRPORT HAZARD                            LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        FACTOR(S)
           AIRFRAME - LANDING GEAR: WHEELS,TIRES,AXLES
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: POORLY MAINTAINED RUNWAY SURFACE
           WEATHER - UNFAVORABLE WIND CONDITIONS
           WEATHER - RAIN
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  2500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     RIGHT CROSS WIND 068-112 DEGREES
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
           45                                                       15
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- AC STRUCK ROCKS NEXT TO UNIMPROVED RUNWAY.RIGHT TIRE RUPTURED & SEPARATED.RNWY 75 FEET WIDE.
```

## Aircraft

- Registration: [N9506U](https://openairdocs.org/deregistered/N9506U-2003-07-17), registration cancelled 2003-07-17, S/N 015, built 1974 (OpenAirDocs)
- Reported make and model: REPUBLIC UC1
- Registry model: [Stol UC-1](https://openairdocs.org/model/stol-uc-1) (registry code 8640202) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Duck Island

## 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 19771014034879A](https://openairdocs.org/incident/19771014034879A), Oct 14, 1977: Stolac UC1, Harbor, ME, Substantial damage. Ac struck rocks next to unimproved runway. Right tire ruptured & separated. Rnwy 75 feet wide.

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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