# NTSB BFO85IA036: Boeing 727-200, N400DL, Washington, DC, April 16, 1985

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: April 16, 1985, 17:25 local (22:25 UTC)
- Place: Washington, DC
- Coordinates: 38.910099, -77.020133 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.9101&lon=-77.0201&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 129 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 11150
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=BFO85IA036
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/11150/pdf
- Page: https://openairdocs.org/ntsb/BFO85IA036

## Sequence of events

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

- Dragged wing,rotor,pod,float or tail/skid, landing - flare/touchdown
  - go-around - not maintained, pilot in command (cause)
  - airspeed - not maintained, pilot in command (cause)
  - stall - not corrected, pilot in command (cause)

## Analysis

WHILE ON FINAL FOR RUNWAY 36 AT WASHINGTON NATIONAL AIRPORT, WASHINGTON, D.C., THE PILOT WAS GIVEN A CHANGE OF LNDG RWYS BECAUSE OF TRAFFIC ON RWY 36. DRNG THE ENSUING REALIGNMENT THE CPT TOOK THE CTLS AND LNDG THE ACFT, SCRAPING THE RIGHT WING ON THE RUNWAY. EXAMINATION OF THE FDR INDICATED THE ACFT TOUCHED DOWN 10 KNOTS BELOW STALL SPEED.

## Aircraft

- Registration: N400DL (not matched to a registry record)
- Reported make and model: BOEING 727-200
- Category: Airplane
- Serial number: 400
- Airframe hours: 29594
- Engines: P&W JT8D-15 14000 lbs thrust turbo jet
- Damage: Minor damage
- Flight: Part 121
- Registered owner: Delta Airlines, Inc.
- Airworthiness certificate: Standard, Transport
- Departed: BOS, BOSTON, MA
- Flight plan: IFR
- Airport: DCA, Washingon National, runway 33, 5,189 × 200 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 50; airline transport; airplane ratings: single-engine land, multi-engine land, single-engine sea; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 17,200 total, 5,600 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: 270° at 7 knots
- Visibility: 12 statute miles
- Lowest ceiling: 25,000 ft broken
- Temperature: 73 °F, dew point 54 °F
- Altimeter: 29.00 inHg
- Observed at: DCA

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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