# NTSB NYC81DHD38: Pitts S-1C, N18UN, Russelville, PA, July 29, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 29, 1981
- Place: Russelville, PA · RUSSELVILLE, PA
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 7, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124642
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC81DHD38
- Page: https://openairdocs.org/ntsb/NYC81DHD38

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2028  81/7/29  NR.RUSSELVILLE,PA     PITTS S-1C          CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1800                    N18UN               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 26, 1450 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            130 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         UNKNOWN/NOT REPORTED         LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE CONTROLS: THROTTLE-POWER LEVER ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
        FACTOR(S)
           TERRAIN - HIGH VEGETATION
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- THROTTLE LINKAGE AT THE CARB SLIDE VLV BCM DSCNCTD.LNDD IN FLD OF TALL ALFALFA.
```

## Aircraft

- Registration: [N18UN](https://openairdocs.org/aircraft/N18UN), registered now, S/N RR1, built 1980 (OpenAirDocs)
- Reported make and model: PITTS S-1C
- Registry model: [Speicher Raymond D PITTS SPECIAL](https://openairdocs.org/model/speicher-raymond-d-pitts-special) (registry code 7220520) (OpenAirDocs)
- Registry engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506, 4 cycle) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage

## 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 19810729047239A](https://openairdocs.org/incident/19810729047239A), Jul 29, 1981: Amtrpt PITTSSPECS1C, Russelville, PA, Substantial damage. Engine quit during aerobatic practice and aircraft flipped inverted during emergency landing.

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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