# NTSB NYC84LA043: Gulfstream American AA-5B, N28271, Morristown, NJ, November 16, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: November 16, 1983, 07:30 local (12:30 UTC)
- Place: Morristown, NJ
- Location: 40.7993° N, 74.4149° W: Placed by OpenAirDocs at MORRISTOWN MUNI (MMU), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.7993&lon=-74.4149&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 35476
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC84LA043
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/35476/pdf
- Page: https://openairdocs.org/ntsb/NYC84LA043

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of engine power, takeoff - initial climb
  - reason for occurrence undetermined (cause)
- Forced landing, landing
- In flight collision with terrain/water, landing - flare/touchdown
  - light condition - dark night (contributing factor)
  - terrain condition - soft (contributing factor)
  - terrain condition - wet (contributing factor)

## Analysis

EARLIER IN THE EVENING, THE PLT HAD TAKEN OFF WITH 3 PASSENGERS ON BOARD. SHORTLY AFTER TAKEOFF, HE ADVISED THE TOWER THAT THE ENG WAS NOT DEVELOPING FULL POWER. HE REMAINED IN THE TRAFFIC PATTERN & LANDED, THEN TAXIED TO THE RAMP. LATER, THE PLT MADE A 2ND TAKEOFF WITH 1 PASSENGER ON BOARD. AFTER BECOMING AIRBORNE, HE ELECTED TO ABORT DUE TO A REPORTED POWER LOSS. THE ACFT HAD PASSED THE DEPARTURE END OF THE RWY & SETTLED IN A MARSHLAND. AN EXAM OF THE ENG REVEALED NO DISCREPANCIES. A TEST RUN OF THE ENG WAS THEN MADE & IT PERFORMED WITHIN THE MANUFACTURER'S SPECIFICATIONS.

## Aircraft

- Registration: [N28271](https://openairdocs.org/deregistered/N28271-2012-09-24), registration cancelled 2012-09-24, S/N AA5B0987, built 1978 (OpenAirDocs)
- Reported make and model: GULFSTREAM AMERICAN AA-5B
- Registry model: [Gulfstream American AA-5B](https://openairdocs.org/model/gulfstream-american-aa-5b) (registry code 3970106) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: AA5B0987
- Airframe hours: 554
- Engines: LYCOMING O-360-A4K 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: William Brandstatter,III
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, March 1, 1983
- Departed: MMU, MORRISTOWN, NJ
- Airport: MMU, Morristown, runway 12, 4,000 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 270 total, 270 in this make and model, 100 as pilot in command, 27 in the last 90 days

## Weather

- Conditions: Visual (VMC), Night/dark
- Wind: calm
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 46 °F
- Altimeter: 29.00 inHg

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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