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IFR LOFT Scenario

LOFT: LaGuardia to Boston

Route: KLGA → KBOS

Business jet northeast corridor flight with Class B departure, corridor reroutes, and BOS STAR compression.

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Scenario Overview

Business aviation northeast corridor flight from LaGuardia to Boston Logan. A business jet owner is flying to a meeting — realistic time pressure in a professional context. The pilot navigates one of the busiest departure environments in the US, handles corridor reroutes, and manages a complex STAR arrival into Boston during peak traffic. Train this scenario on the Vision Jet type rating prep simulator with G3000/GTC avionics displays and GFC500 autopilot at Grand Central, or on the G1000 NXi AATD with King Air B200 configuration.

FAA WINGS Credit
Master 99553 cr

Complete this LOFT with one of our CFIIs to earn WINGS credit toward your pilot proficiency. Learn more at FAASafety.gov

SIDSTARILSClass BReroutesBusiness ADM

Route & Flight Plan

KLGA TNNIS GREKI V229 BOSOX ROBUC3 KBOS
AltitudeFL230
Distance185 nm
ETE0:52

Airport Information

Departure
KLGA
LaGuardia Airport
New York, NY
Elevation: 21 ft MSL
Runways
RWYLengthSurface
4/227,002 ftasphalt
13/317,002 ftasphalt
Frequencies
ATIS125.95
CLR121.875
GND121.7
TWR118.7
APP120.8
Approaches
ILS RWY 4, ILS RWY 13, ILS RWY 22, ILS RWY 31, RNAV GPS RWY 4, RNAV GPS RWY 13, RNAV GPS RWY 22, RNAV GPS RWY 31
Destination
KBOS
Boston Logan International Airport
Boston, MA
Elevation: 19 ft MSL
Runways
RWYLengthSurface
15R/33L10,083 ftasphalt
4R/22L10,006 ftasphalt
4L/22R7,864 ftasphalt
9/277,001 ftasphalt
Frequencies
ATIS135.0
GND121.75
TWR124.725
APP118.25
Approaches
ILS RWY 4R, ILS RWY 15R, ILS RWY 22L, ILS RWY 27, ILS RWY 33L, RNAV GPS RWY 4L, RNAV GPS RWY 4R, RNAV GPS RWY 33L

Weather Scenario

A northeast flow is pushing moisture off the Atlantic into New England. LaGuardia departs in marginal conditions with a low ceiling but manageable visibility. The weather deteriorates as you move north — Hartford shows rain developing by 1400Z, and Boston is the worst with light rain, mist, and ceilings dropping to 1,500 broken with a TEMPO of OVC010. The northeast wind at BOS creates a crosswind component on the 4R approach. This is the classic "it is always worse at the destination" corridor pattern.

Departure 10:00L (1400Z)KLGAMVFR
KLGA 141400Z 04012G18KT 6SM BKN020 OVC040 08/04 A2992 RMK AO2
Low ceiling departure, northeast wind, broken at 2,000, overcast at 4,000
Arrival 11:00L (1500Z)KBOSIFR
KBOS 141500Z 03014G22KT 5SM -RA BR BKN015 OVC030 06/03 A2988 RMK AO2 RAB30
Light rain and mist, ceiling 1,500 broken, northeast wind gusting 22, visibility 5 miles

Terminal Aerodrome Forecasts

DepartureKLGA
TAF KLGA 140530Z 1406/1506 04010G16KT 6SM BKN020 OVC045 FM141200 04012G20KT 5SM -RA BR BKN018 OVC035 FM141600 04010KT 6SM BKN025 OVC050 FM142000 36008KT P6SM SCT030 BKN060 FM150000 VRB05KT P6SM SCT035
En Route (Hartford)KBDL
TAF KBDL 140530Z 1406/1506 04008KT 6SM BKN025 OVC050 FM141200 04012KT 5SM -RA BR BKN020 OVC040 FM141400 04014G20KT 4SM RA BR BKN015 OVC035 TEMPO 1414/1418 3SM RA BR OVC012 FM142000 04010KT 6SM BKN025 OVC050 FM150000 VRB06KT P6SM SCT030
ArrivalKBOS
TAF KBOS 140530Z 1406/1506 04010G16KT 6SM BKN020 OVC040 FM141200 03012G20KT 5SM -RA BR BKN018 OVC030 FM141400 03014G24KT 4SM RA BR BKN015 OVC028 TEMPO 1414/1518 3SM RA BR OVC010 PROB30 1415/1418 2SM +RA BR OVC008 FM142000 04010KT 6SM BKN025 OVC045 FM150000 36008KT P6SM SCT030 BKN060

Lesson Profile

Scenario timeline with phases, altitudes, and key events
PhaseTimeAltitudeEvents
Briefing & Setup0:00-0:15GroundBrief LGA SID (runway-specific — expect early turn for noise abatement and EWR/JFK separation). Brief ROBUC3 STAR. Review ILS 4R approach at BOS. Discuss "as filed except via" reroute procedures. ADM discussion: meeting at 12:30 — what happens if delayed?
Departure0:15-0:2822-FL230Depart LGA RWY 4. Runway-specific SID with immediate heading assignment for separation from EWR/JFK traffic. Rapid climb to clear Class B floor. Contact NY Departure — expect immediate frequency change to NY Center.
Corridor Transit0:28-0:45FL230Northeast corridor cruise. ATC delivers "as filed except via GREKI MERIT" reroute — must copy, read back, and re-program FMS under time pressure. Multiple frequency changes through NY, Providence, and Boston Center sectors. Monitor BOS weather — update approach brief if conditions change.
STAR & Descent0:45-1:00FL230-3,000ROBUC3 arrival into Boston. STAR has tight speed and altitude constraints — ATC compresses everyone into the same flow. Expect 280 knots above FL180, 250 knots at WOONS, 210 knots at ROBUC. Transition to Boston Approach.
Approach & Landing1:00-1:203,000-20Vectors for ILS RWY 4R. Northeast crosswind with gusts. Break out at 1,500 feet in rain. Multi-runway complex — traffic on 4L parallel. Land in rain on wet runway.
Debrief1:20-2:00GroundReview: SID compliance, reroute handling speed, STAR altitude/speed management, crosswind approach technique. Business ADM debrief: would you have accepted the approach if conditions were at minimums with the meeting in 45 minutes? What is your personal minimum for this scenario?

Post-LOFT Approach Practice

After the LOFT scenario concludes, practice 2 additional approaches for a total of 3 per session. Session is planned for up to 6 approaches — ask your CFII for additional practice.

Approach 2
KBOS
ILS RWY 33L
Runway aligned with wind — compare crosswind vs headwind approach technique
Approach 3
KBOS
RNAV (GPS) RWY 4R
LPV approach to same runway; practice transition from ILS to GPS guidance in low visibility

Training Objectives

Proficiency

  • Execute Class B departure from LaGuardia with runway-specific SID
  • Navigate the northeast corridor with reroute amendments
  • Fly the ILS RWY 4R at Boston Logan in MVFR conditions

Progress

  • Handle "as filed except via" reroute clearances
  • Comply with BOS STAR speed and altitude compression
  • Manage professional time pressure without compromising safety

Single-Pilot CRM

  • Maintain professional tempo in fast-moving ATC environment
  • Brief approach during high-workload corridor transit
  • Apply business aviation ADM: on-time versus safe

Prepare for Your Session

What makes LaGuardia departures uniquely challenging?
LGA sits between JFK and EWR in the New York Class B complex. SIDs are runway-specific with immediate heading assignments (often 15-20 degree turns within 1nm) to keep departures separated from the other two airports. Noise abatement procedures add constraints. The ATC pace is fast — expect a frequency change within 60 seconds of takeoff. If you miss a heading or altitude, you conflict with traffic from two other major airports.
How do you handle an "as filed except via" reroute clearance?
This means your original route is amended: ATC is replacing one or more waypoints in your filed route. Copy the new routing, read it back, then re-program the FMS. The key is knowing your original route cold so you can quickly identify what changed. In the corridor, GREKI and MERIT are common insertion points. Do not accept the clearance until you understand it — "standby" is always an option.
What are the ROBUC STAR altitude and speed constraints into Boston?
The ROBUC arrival has multiple step-down fixes with crossed altitude and speed restrictions. Typical constraints include 280 knots above FL180, speed reduction to 250 knots at intermediate fixes, and 210 knots or less at ROBUC for final sequencing. ATC may amend these for traffic — "cross ROBUC at 5,000, 210 knots" is a common instruction. Missing any constraint puts you out of sequence and impacts everyone behind you.
What is the ADM challenge of business aviation time pressure?
Business jet owners often face time pressure from meetings, clients, or personal commitments. The trap is accepting marginal conditions because "I have to be there by noon." The correct approach: set personal minimums before the flight, brief the decision criteria (ceiling, visibility, crosswind limits), and never lower your minimums because of schedule pressure. Having a specific alternate plan ("if we cannot get in, we divert to PVD and drive") removes the pressure to push limits.
Instructor Notes
The northeast corridor pace is the real test here. LGA departure is fast, the reroute requires quick FMS reprogramming, and the STAR is speed-critical. Give the student an "as filed except via GREKI MERIT" reroute during cruise and evaluate how quickly they copy, read back, and reprogram. If they take more than 90 seconds, note it — in the real corridor, ATC will ask "say intentions" if you delay. The ADM discussion should be genuine: business aviation accidents from schedule pressure are real. End the debrief with specific personal minimums the student will commit to.