# NTSB LAX88LA178: Boeing A75N1, N747JR, Sacramento, CA, May 11, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 11, 1988, 15:35 local (22:35 UTC)
- Place: Sacramento, CA
- Location: 38.5129° N, 121.4933° W: Placed by OpenAirDocs at SACRAMENTO EXEC (SAC), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.5129&lon=-121.4933&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 14, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 25998
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX88LA178
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/25998/pdf
- Page: https://openairdocs.org/ntsb/LAX88LA178

## Sequence of events

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

- Loss of control - on ground/water, landing - flare/touchdown
  - directional control - not maintained, pilot in command (cause)
  - diverted attention, pilot in command (contributing factor)
- Nose down, landing - roll

## Aircraft

- Registration: [N747JR](https://openairdocs.org/deregistered/N747JR-2012-06-26), registration cancelled 2012-06-26, S/N 75-3885, built 1942 (OpenAirDocs)
- Reported make and model: BOEING A75N1
- Registry model: [Boeing A75N1(PT17)](https://openairdocs.org/model/boeing-a75n1-pt17) (registry code 1380134) (OpenAirDocs)
- Registry engine: [Continental W670 series](https://openairdocs.org/engine/continental-w670-series) (registry code 17018, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 75 3885
- Airframe hours: 4100
- Engines: CONTINENTAL R-670-6N 225 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Redmax Inc.
- Registered owner: Redmax, Inc
- Airworthiness certificate: Standard, Aerobatic
- Last inspection: Annual, January 20, 1988, 25 hours before
- Airport: SAC, Sacramento Executive, runway 20, 5,503 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 65; commercial; airplane ratings: multi-engine land, single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: right; flight hours: 2,150 total, 200 in this make and model, 3 in the last 90 days, 2 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 280° at 3 knots
- Visibility: 35 statute miles
- Lowest ceiling: none
- Temperature: 93 °F, dew point 48 °F
- Altimeter: 29.00 inHg
- Observed at: SAC

## 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 19880511014029A](https://openairdocs.org/incident/19880511014029A), May 11, 1988: Boeing A75N1, Sacramento, CA, Substantial damage. Dropped to runway on high level off. Lost directional control. Veered off runway and nosed down.

## Other investigations on N747JR (3)

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 LAX89LA231](https://openairdocs.org/ntsb/LAX89LA231), Jul 6, 1989: Boeing A75 (N747JR), Sacramento, CA, substantial damage. Probable cause: THE PARTIAL BLOCKAGE OF THE ENGINE INDUCTION SYSTEM WHICH RESULTED FROM IMPROPER MAINTENANCE.
- [NTSB LAX84IA014](https://openairdocs.org/ntsb/LAX84IA014), Oct 15, 1983: Boeing A75N1 (N747JR), Woodland, CA, incident, minor damage
- [NTSB LAX80DVG63](https://openairdocs.org/ntsb/LAX80DVG63), Aug 1, 1980: Boeing A75N1 (N747JR), Sacramento, CA, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.