IAD98LA079 · Boeing A75N1 (PT17) A75N1 (PT1
Boeing A75N1 (PT17) A75N1 (PT1 · Accident: loss of engine power during initial climb
From 4N1 to Lincoln Park Airport (N07)
Event
- NTSB case
- IAD98LA079
- Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
- Accident
- InvestigationHow far the investigation had got when the record was published: preliminary, ongoing, final or completed. Unknown where the source does not say. Glossary
- Completed
- API-reported fatalities
- 0 · all aircraft and ground
- Ground fatalities
- 0
- OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
- General aviation
- WeatherVisual meteorological conditions (VMC): good enough to fly by looking outside. Instrument conditions (IMC): cloud or low visibility, flying by instruments. Glossary
- Visual Meteorological Cond
Boeing A75N1 (PT17) A75N1 (PT1
- Aircraft type
- Boeing A75
- Category
- Airplane
- RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
- N60019
- Operator
- Unknown
- Onboard fatalities
- Unknown
- Route
- From 4N1To Lincoln Park Airport (N07), Lincoln Park, NJ
- Aircraft age
- Not recorded
- Flight rulesThe regulations the flight operated under: in the US, Part 91 (general aviation), Part 121 (airlines), Part 135 (air taxi and commuter) and others; for flights abroad, the NTSB's coarser commercial or non-commercial code. Glossary
- Part 91: General Aviation
- Phase of flightThe stage of the flight when things started to go wrong: standing, taxi, takeoff, initial climb, en route, maneuvering, approach or landing. Glossary
- Initial climb
- First occurrenceThe single coded event the NTSB judges best describes what happened (records from 2008 on). Older records name the first occurrence in the sequence instead. Glossary
- Loss of engine power
- Also codedOther events the NTSB coded in the sequence, such as a wire strike after a loss of power. Flight Findings uses them for its kinds of event. Glossary
- Tree(s)
- DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
- Substantial
Cause areas
- Reason for occurrence undetermined
Approximate · Estimated position: the centre of West Milford, NJ, the place the record names. Not the accident site.
NTSB narrative
The engine run-up check, takeoff, climb, and en route phase of the flight were normal. The airplane entered the downwind for a touch and go landing, and the pilot selected carburetor heat-on. The airplane touched down, and the pilot added full throttle, and selected carburetor heat-off. About 50 feet agl, the pilot realized the engine was not producing full power. He did not notice any backfiring, smoke, or unusual vibration from the engine, just a lack of power. With insufficient runway remaining, he made a turn to the west to avoid a cliff on the departure end of the runway. The airplane settled into the trees, and the two occupants egressed the airplane. While attached to the airframe the engine was run through its full operating range, and no pre impacted failures were identified. The engine primer was found unlocked and out 1/4 of an inch. According to the Icing Probability Chart in, 'Tips On Winter Flying,' the accident weather conditions were conducive for serious icing with glide power. In addition, the publication stated that, 'It is recommended that carburetor heat be applied before reducing power and that partial power be used during letdown to prevent icing, and overcooling the engine.'
Probable cause
Loss of engine power for undetermined reasons.
Verbatim NTSB analysis and probable cause from the NTSB dataset
Sources
NTSB record IAD98LA079
- Event ID
- 20001211X10608
- Case number
- IAD98LA079
- Dataset
- historical-pre2008
- Source SHA-256
- 89e2df6d848e7ab3b42e7d7c7a03ff403303057a26ca04c95b3ea67201c3ce74
Source notes (4)
- Unreviewed is an editorial label, not an investigation status. API-sourced is not report-checked or human-reviewed. Explicit event totals are used without summing aircraft injury tables; onboard allocation is withheld. Unknown values remain unknown. The operation category is mapped from the NTSB-reported FAR part and has not been reviewed.
- Filled from the NTSB case API where the bulk record had no value: investigation status. Values present in the bulk record are kept.
- The date is the local date, which is the same as the UTC date the NTSB stores.
- API snapshot SHA-256: 542f7e17e23518e890055f603dfcff548cf95cc2ea240a28907a6f64f62431d1; retrieved 2026-09-22T17:28:58.768Z.