# NTSB IAD77IA037: Piper PA-32R, N4505X, Forest Hills, MD, April 20, 1977

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: April 20, 1977
- Place: Forest Hills, MD · FOREST HILLS, MD
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 24, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 157804
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD77IA037
- Page: https://openairdocs.org/ntsb/IAD77IA037

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
5-0003  77/4/20    FOREST HILLS,MD     PIPER PA-32R        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 21, 2007
        TIME - 1545                    N4505X              PX-  0  0  0  AIR TAXI-CARGO            TOTAL HOURS, 101 IN TYPE,
                                       DAMAGE-MINOR        OT-  0  0  0                            INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - FOREST HILLS
        DEPARTURE POINT             INTENDED DESTINATION
           BALTIMORE,MD                FOREST HILLS,MD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: GEAR LOCKING MECHANISM
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
```

## Aircraft

- Registration: [N4505X](https://openairdocs.org/aircraft/N4505X), registered now, S/N 32R-7680022, built 1975 (OpenAirDocs)
- Reported make and model: PIPER PA-32R
- Registry model: [Piper PA-32R-300](https://openairdocs.org/model/piper-pa-32r-300) (registry code 7103213) (OpenAirDocs)
- Registry engine: [Lycoming TI0-540 series](https://openairdocs.org/engine/lycoming-ti0-540-series) (registry code 41533, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Minor damage
- Airport: Forest Hills

## 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 19770420016539A](https://openairdocs.org/incident/19770420016539A), Apr 20, 1977: Piper PA32R300, Forest Hills, MD, Substantial damage

## Other investigations on N4505X (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 IAD76AI077](https://openairdocs.org/ntsb/IAD76AI077), Jun 22, 1976: Piper PA-32R (N4505X), Davis, WV, 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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