# NTSB IAD76II036: Grumman G-159, N80AC, New Castle, DE, November 25, 1975

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: November 25, 1975
- Place: New Castle, DE · NEW CASTLE, DE
- Location: 39.6700° N, 75.5665° W: Placed by OpenAirDocs: center of New Castle, DE, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.6700&lon=-75.5665&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report November 28, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 152041
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD76II036
- Page: https://openairdocs.org/ntsb/IAD76II036

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
5-0045  75/11/25   NEW CASTLE,DL       GRUMMAN G-159       CR-  0  0  3  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 1501                    N80AC               PX-  0  0  0  CHECK                     UNK/NR, UNK/NR TOTAL
                                       DAMAGE-MINOR        OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - GREATER WILMINGTO
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          MORRISTOWN,NJ               NEW CASTLE,DL                HARRISBURG,PA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           AIRFRAME - LANDING GEAR: EMERGENCY/EXTENSION ASSEMBLY
           AIRFRAME - LANDING GEAR: GEAR LOCKING MECHANISM
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        REMARKS- UPLOCK ATTACH NUT AND BOLT MISSING. UPLOCK WOULDNOT RELEASE.
```

## Aircraft

- Registration: N80AC (not matched to a registry record)
- Reported make and model: GRUMMAN G-159
- Category: Airplane
- Engines: turbo prop
- Damage: Minor damage
- Airport: Greater Wilmingto

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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